A Travel Price Comparison for Families, Couples, and Backpackers Tartu vs. Berlin for Nightlife, Backpackers, Food, and Families

Should you visit Tartu or Berlin?

Which is cheaper to visit? Which is more expensive for vacation?

Trying to figure out where to travel next? This travel comparison between Tartu and Berlin can help. It includes a travel cost comparison in addition to other factors. For many travelers, the cost of a destination is a primary consideration when choosing where to go.

Tartu

Tartu is a student-oriented, cultural, and historical university town. It's a beautiful place to visit, too. Visitors also love the nightlife.

Berlin

Berlin is a historic, cultural, and artsy city. Visitors will also find so much to do here because it's a large city with many sights and attractions. It's also popular because of the nightlife, live music, and food.

Tartu and Berlin: Pros and Cons

Pros
  • Active nightlife
  • Scenic old town
  • Family-friendly
  • Good for backpackers and budget travelers
Things to Consider
  • Less popular for food
  • Less popular for shopping
  • Less popular with couples
  • Public transit not as usable
Pros
  • Popular museums and historical sights
  • Popular for food and cuisine
  • Active nightlife
  • Good music scene
  • Fun shopping
  • Family-friendly
  • Good for couples and romance
  • Good for backpackers and budget travelers
  • Good public transit
  • Big city activities


Is there more to do in Tartu or Berlin?

Travelers will usually find more to do in Berlin than Tartu, as it is bigger with more sights, attractions, and activities for visitors. Berlin is more popular for its museums, food, nightlife, music, shopping, and big city activities, while Tartu is known for its historical sights and impressive beauty. Berlin is more touristy than Tartu and is known for its art scene, cultural activities, and war torn history. It is also home to the Brandenburg Gate. Tartu is popular for its vibrant student population and long running university.

How is Tartu different from Berlin?

Which is Better for a Holiday?

Let's take a look at the differences and similarities between Berlin and Tartu. Then, you can decide for yourself which place is better for your next trip.

Are the Museums and Historical Sights Better in Tartu or Berlin?

Tartu
Berlin

Berlin is an amazing city to visit for its historical sights. However, Tartu does not have museums and landmarks.

With plenty of landmarks, attractions, and museums, Berlin has many famous sights for visitors. Famous landmarks include the rebuilt Reichstag, the Berlin Wall Memorial, and Berliner Fernsehturm. Many of the city's oldest and most famous museums are found on Museum Island, where you'll find the Pergamon Museum, the James Simon Gallery, the Altes Museum, and the Neues Museum, among others.

Tartu does not have museums and landmarks.


Is the Food Better in Tartu or Berlin? Which Destination has the Best Restaurants?

Tartu
Berlin

Berlin is a great city for its local flavors and cuisine. However, Tartu is not known for its local cuisine and restaurants.

Berlin has a number of nationally recognized food spots and restaurants. There's a great international food scene, but also all of the traditional favorites like currywurst, spätzle, and schnitzel. You'll find many diverse food halls, street markets, and local restaurants, as well as a large selection of traditional German restaurants that cater to the tourists.

Tartu offers some easy restaurants to choose from. The restaurant scene is surprisingly limited because of the large student population. Most students prefer saving their money for a night out drinking over a quiet meal at a restaurant. There are some cafes around town as well as pastry shops and a few good ethnic restaurants to choose between.

Is Tartu or Berlin Better for Nightlife?

Tartu
Berlin

Berlin is an amazing city to visit for its evening party scene. Also, Tartu is not as popular, but is still a nice university town for nightlife.

Berlin has a colorful and one-of-a-kind nightlife scene. The nightlife scene here is legendary. There are club nights that last for days, bars and parties that appeal to every personality, and a diversity of venues that you can choose from. You'll find the classic techno warehouses, but there are also modern dance clubs, bunker parties, and raves.

Tartu offers plenty to do in the evening. With its huge student population, there is plenty of activity year round. The nightlife scene includes many bars, dance clubs, and pubs that are popular with students and visitors alike. You'll find large parties and music festivals throughout the year that bring crowds to the city.

Is Tartu or Berlin Better for Music?

Tartu
Berlin

Berlin is an amazing city to visit for its music scene. However, Tartu is not a live music destination.

Berlin has become a mecca for musicians from around the world. From the raves to the techno parties, there is a hugely diverse music scene in the city. It is so much more than the stereotypical punk and techno music that Berlin is known for. Rock, pop, and other genres are popular as well.

Tartu is not a live music destination.


Is Tartu or Berlin Better for its Old Town?

Tartu
Berlin

Tartu is a great university town for its old town. However, Berlin does not have a historic old town.

Many visitors go to Tartu to see the historical old town. The old town is where you'll find one of the oldest universities in Northern Europe. There is also Town Hall Square and St. John’s Quarter with many historic buildings and beautiful architecture.

Berlin does not have a historic old town.

Is the Shopping Better in Tartu or Berlin?

Tartu
Berlin

Berlin is an amazing city to visit for its shopping areas. However, Tartu is not known for shopping.

Many people travel to Berlin specifically to go shopping. Bookshops, flea markets, luxury boutiques and artisan shops all make up the shopping scene in the city. Kurfürstendamm is one of the most famous shopping districts in the city.

Tartu is a good destination for shopping. While most people don't visit to go shopping, there is an active art scene in town so you can find some creative pieces that are worth checking out.

Is Tartu or Berlin Better for Families?

Tartu
Berlin

Berlin is a great city for its kid-friendly activities. Also, Tartu is not as popular, but is still a nice university town for its family-friendly activities.

You'll find plenty of family-friendly things to do in Berlin. The city has a number of great kid-friendly museums such as the Museum of Natural History and the Computer Games Museum. There's also Legoland, an impressive aquarium, and lots of parks and playgrounds to explore.

Tartu is a family-friendly place to visit. Many of the kid-friendly activities are outdoors, so summer visits are better if you're traveling with children. There are adventure parks, animal parks, and educational museums that you can choose from.


Is Tartu or Berlin Better for Couples?

Tartu
Berlin

Berlin is a city with good options for couples. However, Tartu is not known for romance.

Berlin is a good city for couples to visit. Romantic activities in the city include wandering through Schloss Charlottenburg gardens and learning to dance at Clärchen’s Ballhaus. For couples who enjoy a night out on the town, there are many great restaurants and nightclubs that you can check out.

Tartu is not the best destination for a couple to visit. The city has a young population, so you'll find many activities center around a more youthful vibe. There are some great museums that couples will enjoy, as well as a lively nightlife scene. Outside of old town, couples will enjoy wandering through the Karlova and Supilinn districts.

Is Tartu or Berlin Better for Backpackers and Budget Travelers?

Tartu
Berlin

Berlin is an amazing city to visit for backpackers and budget travelers. Also, Tartu is not as popular, but is still a nice university town for backpackers.

A large number of backpackers visit Berlin, as it is a very popular city for budget travelers. The city has no shortage of hostels to choose from, many of which organize activities and tours that guests can enjoy.

Backpackers come from all over to visit Tartu. With it's young population and budget friendly entertainment options, there are many things that backpackers will enjoy. It's not nearly as popular with backpackers as some other cities, but that doesn't mean it doesn't have a lot to offer.

Is Tartu or Berlin Better for Students?

Tartu
Berlin

For students, both Tartu and Berlin are first-rate places to visit.

Tartu is a very popular university town for students. It is a university town and home to one of the oldest universities in Northern Europe. The student population is large here, with many activities, museums, and nightlife options to choose from. There always seems to be something going on in this vibrant city.

Berlin is a very popular place to visit for students. With it's rich culture and eclectic creative side, this city appeals to many international students. There's also a great social scene that is perfect for university students.


Is Tartu or Berlin Better for Public Transit? Which Is Easier to Get Around Without a Car?

Tartu
Berlin

Berlin is an amazing city to visit for times when you don't have a car. Also, Tartu is not as popular, but is still a nice university town for its public transit.

Public transit in Berlin is top-notch. The transportation system is diverse and includes the S-Bahn, U-Bahn, buses, and trams.

Tartu has a few public transit options. There is a comprehensive bus system around the town.

Is Tartu or Berlin a more walkable city?

Tartu
Berlin

Tartu is a great university town for its high level of walkability. Also, Berlin is not as popular, but is still a nice city for its ease of walking around.

Tartu is a very walkable university town. The city is compact with most of its sights and restaurants close together along a couple of streets.

Berlin is a somewhat walkable university town. While parts of the city are very walkable, the neighborhoods are spread out and the city covers a large amount of space, so walking isn't always practical.

For even more information, also check out Is Tartu Worth Visiting? and Is Berlin Worth Visiting?.

Should I spend more time in Berlin or Tartu?

How long in Tartu or Berlin?

Both Tartu and Berlin have a number of activities to choose from. With generally more activities and things to do, visitors tend to spend more time in Berlin than in Tartu. Usually, 1-3 days is a good amount of time for Tartu, and 2-7 days is enough time in Berlin.

Families should spend more time in Berlin than Tartu. Because of the many family-friendly attractions and fun things to do for kids in Berlin, it's a great place to visit with the whole family.

Couples should spend more time in Berlin than Tartu. You'll find plenty of romantic sights and fun activities in Berlin that are perfect for a weekend getaway or a longer couple's trip.

Backpackers and budget travelers should spend more time in Berlin than Tartu if your budget allows for it. With a larger number of budget-friendly sights, good nightlife, and active things to do, anyone traveling on a budget would have a good time in Berlin.


  • How many days in Tartu or Berlin? Ideal Length of Stay
    Tartu 1-3 
    Berlin 2-7

One day in Tartu or Berlin?

Many travelers enjoy the nightlife when visiting the destination of Tartu. The old town is one of the main draws for visitors. One day is often enough time to do most activities.

Each neighborhood in Berlin has its own distinct appeal, so there are pleny of areas to explore. This city offers a variety of activities to choose from. Since there is so much to do in the area, one day is probably not enough for all of it.


A weekend in Tartu or Berlin?

Tartu is a great place to explore. It is common to spend a weekend here. With all of its activities, you can easily fill a weekend here. Your budget might influence how long you stay.

It's hard to know how much time to spend in Berlin. For many, it makes a great getaway for a weekend. This would be the perfect place to spend a weekend, as it has just the right amount of activities. The length of your ideal trip is an individual decision.

Five days in Tartu or Berlin?

It's hard to know how much time to spend in Tartu. Make sure you visit the old town while you're here. Five days may feel like too much time unless you plan to do a lot of relaxing. It has many unique tourist attractions and fascinating things to do.

Berlin is a fun place to experience. Each neighborhood in Berlin has its own distinct appeal, so there are pleny of areas to explore. This would be the perfect place to spend five days, as it has just the right amount of activities.

A week in Tartu or Berlin?

Travelers enjoy the nightlife when visiting the student-oriented destination of Tartu. This university town offers a variety of activities to choose from. Most visitors spend time around the old town while in the area. Most people find that one week is more than enough time to see everything.

Each neighborhood in Berlin has its own distinct appeal, so there are pleny of areas to explore. Plenty of people spend one week in the area when traveling. Take your pick from the many activities offered here. One week is often enough time to do most activities.


For some great organized tour ideas, see The Best Romantic Tours for Couples in Estonia, The Best Budget Tours to Estonia, The Best Adventure Tours to Germany, and The Best Cultural Tours in Germany.


Which place is cheaper, Berlin or Tartu?

These are the overall average travel costs for the two destinations.

The average daily cost (per person) in Tartu is €105, while the average daily cost in Berlin is €137. These costs include accommodation (assuming double occupancy, so the traveler is sharing the room), food, transportation, and entertainment. While every person is different, these costs are an average of past travelers in each destination. What follows is a categorical breakdown of travel costs for Tartu and Berlin in more detail.



Accommodation
  • Accommodation Hotel or hostel for one person
    Tartu 47
    Berlin 64
  • Accommodation Typical double-occupancy room
    Tartu 94
    Berlin 128
Compare Hotels in Tartu and Berlin

Looking for a hotel in Tartu or Berlin? Prices vary by location, date, season, and the level of luxury. See below for options and compare which is best for your budget and travel style.

Hotels in Tartu


Hotels in Berlin


Kayak helps you find the best prices for hotels, flights, and rental cars for destinations around the world. Compare prices for multiple destinations when planning your next trip.


Our Analysis
We've analyzed the average and typical hotel prices based on guest reviews, star ratings, and hotel amenities here: Tartu Hotel Prices and Berlin Hotel Prices.

Local Transportation
  • Local Transportation Taxis, local buses, subway, etc.
    Tartu 27
    Berlin 18

Typical Local Transportation Prices in Berlin

Below are a few samples from actual travelers for transportation costs in Berlin:


  • Short Trip Metro Ticket
    1.40
  • Bahn Ticket
    3.00
  • Short Taxi Ride
    20

Hired Cars and Shuttles in Berlin

Also for Berlin, here are a few examples of actual transportation services:

  • Private transfer from Berlin to Prague: $727
  • Private Highlights Tour with Hotel Transfers: $367
  • Trabi Limousine Airport Transfer with City Tour: $358
  • Private Minivan Transfer with Driver and Guide: $321
  • Try find your better than us ! Airport transfer service in Berlin APT-HTL (SXF): $300
  • Try find your better than us ! Airport transfer service in Berlin HTL-APT (SXF): $300
  • Private transfer from Berlin to Prague with stops at Potsdam + Sanssouci Palace: $295
  • Private Transfer from Berlin to Nuremberg with 2h of Sightseeing: $276
  • Private Transfer, Berlin to Prague with 2h of Sightseeing, 8 pax: $273
  • Classic Remise Private Tour with Transfer: $271
  • Private transfer from Berlin to Prague with Terezin Concentration Camp stop: $267
  • Private Transfer: Berlin to River Cruise Dock Nuremberg - Port/Harbor transport: $263

Is it cheaper to fly into Tartu or Berlin?

Prices for flights to both Berlin and Tartu change regularly based on dates and travel demand. We suggest you find the best prices for your next trip on Kayak, because you can compare the cost of flights across multiple airlines for your prefered dates.





Food
  • Food Meals for one day
    Tartu 37
    Berlin 52
Typical Food Prices in Tartu

Here are some examples of typical meal expenses from previous travelers to Tartu:


  • Danishes
    0.76
  • Lunch for Two
    4.93
  • Ice Cream
    1.27
  • Cookies
    0.51
  • Coffee & Cake
    3.47

Typical Food Prices in Berlin

Here are some examples of typical meal expenses from previous travelers to Berlin:


  • Sandwich and Coffee To Go
    5.00
  • Turkish Sandwich
    2.00
  • Currywurst
    2.00
  • 2 Pho Noodles
    9.00
  • Restaurant Dinner and Beers (for 2)
    60
  • Mauer Park (2)
    11
  • Coffees at Impala
    7.80

Food Tours and Cooking Classes in Berlin

For Berlin, here are some samples of tours and activities related to meals and dining experiences:

  • English Stand-Up Comedy with Pizza and Shots: $19
  • Hard Rock Cafe Berlin with Set Menu for Lunch or Dinner: $27
  • English Comedy Showcase Including Pizza in Berlin Mitte: $28
  • Hard Rock Cafe Berlin With Set Lunch or Dinner : $34
  • Kreuzberg kulinarisch – Die Food Tour: $48
  • Berlin Mitte kulinarisch – Die Food Tour: $48
  • No Diet Club - Street Food Tour with many Tastings !: $59
  • Evening Yacht Cruise with Aperitif & Optional Dinner: $63
  • Sicilian Cooking Workshop with unlimited drinks: $70
  • Evening Food Tour by Bike: $70
  • Sharing plate food tour in Berlin: $76
  • Dinner Cruise on the Spree with Prosecco: $79

Entertainment
  • Entertainment Entrance tickets, shows, etc.
    Tartu 16
    Berlin 22
Typical Entertainment Prices in Tartu

For Tartu, here are some examples of average entertainment and activity prices from previous travelers:


  • Art Museum ticket
    0.95
  • Movie Ticket
    3.47

Tours and Activities in Tartu

Also, here are some specific examples of entertainment, tickets, and activities for Tartu.

  • Around Viljandi bike tour: $27
  • Charming Viljandi Walking Tour for Couples: $142
  • Magical Tartu Romantic Walking Tour: $127
  • Spectacular Christmas Walking Tour in Viljandi: $199
  • TARTU COUNTRY: SLED DOG TOUR & KENNEL VISIT: $75
  • European Capital of Culture 2024 - Cycling Tour: $14
  • Traditional Christmas Walking Tour in Tartu: $234

Typical Entertainment Prices in Berlin

For Berlin, here are some examples of average entertainment and activity prices from previous travelers:


  • Berlin Zoo (2)
    20

Tours and Activities in Berlin

Also, here are some specific examples of entertainment, tickets, and activities for Berlin.

  • East Berlin and the Berlin Wall 2-Hour Walking Tour : $22
  • Sachsenhausen Concentration Camp Memorial Tour from Berlin.: $32
  • (E) Bike Tour for Non Bikers option Rickshaw Shared Guide: $48
  • 2 Hours Berlin City Guided Electric Trike Tour: $59
  • 2 Hours E-Scooter Tour: $60
  • 2-Hour Private Berlin Walking Tour, Berlin in the Third Reich and Cold War: $213
  • 2-Hour Segway Discovery Tour Berlin: $75
  • 3 Hours Berlin City Guided Electric Trike Tour: $73
  • 3-Hour Bike Tour of Tiergarten and Berlin's Hidden Places: $35
  • 3-Hour Private Berlin Bike Tour: Vibes of Berlin: $184
  • 3D Adventure black light mini golf (Berlin): $21
  • 4 Hours 2 Person Highlights Berlin Rickshaw Tour with Guide : $207

Alcohol
  • Alcohol Drinks for one day
    Tartu 16
    Berlin 16

Typical Alcohol Prices in Berlin

Here are a few samples of the prices for alcohol and nightlife in Berlin from other travelers:


  • Drinks at a Show
    14

Sample the Local Flavors in Berlin

Also in Berlin, these are the prices for nightlife and alcohol related activities from various tour providers:

  • Original One80 Berlin Pub Crawl: $16
  • VIP Pub Crawl with Drinks and Challenges: $16
  • brewery tour with beer tasting: $19
  • Vagabund Brauerei Beer Tasting & Guided Brewery Tour: $24
  • Pub Crawl with Skip-the-Line Club Entry: $24
  • Berlin Pub Crawl and Nightlife Clubbing tour: $26
  • The Showgirls of Burlesque: $46
  • Showgirls of Burlesque Entry Ticket: $69
  • Berlin:sunset boat trip with Argentine wine tasting and food: $214
  • German Wine Tasting Tour at the Best Wine Bars in Berlin: $250
  • German Wine Tasting Tour at the Best Wine Bars in Berlin: $255
  • Bachelor(ette) Party with Pub Crawl: $401


When we compare the travel costs of actual travelers between Tartu and Berlin, we can see that Berlin is more expensive. And not only is Tartu much less expensive, but it is actually a significantly cheaper destination. So, traveling to Tartu would let you spend less money overall. Or, you could decide to spend more money in Tartu and be able to afford a more luxurious travel style by staying in nicer hotels, eating at more expensive restaurants, taking tours, and experiencing more activities. The same level of travel in Berlin would naturally cost you much more money, so you would probably want to keep your budget a little tighter in Berlin than you might in Tartu.

If you're trying to decide if either of these two destinations are within your price range, also see Is Tartu Expensive? and Is Berlin Expensive?.


Which is Bigger, Tartu or Berlin?

Berlin has a larger population, and is about 30 times larger than the population of Tartu. When comparing the sizes of Tartu and Berlin, keep in mind that a larger population does not always imply the destination has more attractions or better activities. So, always research the type of place that you want to visit along with the activities and attractions that interest you.


When is the best time to visit Tartu or Berlin?

Both destinations experience a temperate climate with four distinct seasons. And since both cities are in the northern hemisphere, summer is in July and winter is in January.

Should I visit Tartu or Berlin in the Summer?

Both Berlin and Tartu are popular destinations to visit in the summer with plenty of activities. Most visitors come to Tartu for the family-friendly experiences during these months. Also, the summer months attract visitors to Berlin because of the city activities, the music scene, and the family-friendly experiences.

In July, Tartu is generally cooler than Berlin. Daily temperatures in Tartu average around 17°C (62°F), and Berlin fluctuates around 19°C (66°F).

It's quite sunny in Berlin. The sun comes out a lot this time of the year in Tartu. Tartu usually receives more sunshine than Berlin during summer. Tartu gets 265 hours of sunny skies, while Berlin receives 227 hours of full sun in the summer.

In July, Tartu usually receives more rain than Berlin. Tartu gets 71 mm (2.8 in) of rain, while Berlin receives 50 mm (2 in) of rain each month for the summer.


  • Summer Average Temperatures July
    Tartu 17°C (62°F) 
    Berlin 19°C (66°F)

Should I visit Tartu or Berlin in the Autumn?

Both Berlin and Tartu during the autumn are popular places to visit. The autumn months attract visitors to Tartu because of the shopping scene and the natural beauty of the area. Also, the city's sights and attractions, the shopping scene, and the music scene are the main draw to Berlin this time of year.

Tartu is much colder than Berlin in the autumn. The daily temperature in Tartu averages around 6°C (43°F) in October, and Berlin fluctuates around 10°C (50°F).

In the autumn, Tartu often gets less sunshine than Berlin. Tartu gets 86 hours of sunny skies this time of year, while Berlin receives 106 hours of full sun.

Tartu usually gets more rain in October than Berlin. Tartu gets 52 mm (2 in) of rain, while Berlin receives 35 mm (1.4 in) of rain this time of the year.


  • Autumn Average Temperatures October
    Tartu 6°C (43°F) 
    Berlin 10°C (50°F)

Should I visit Tartu or Berlin in the Winter?

The winter attracts plenty of travelers to both Tartu and Berlin. The shopping scene and the cuisine are the main draw to Tartu this time of year. Also, many travelers come to Berlin for the museums, the shopping scene, and the cuisine.

Be prepared for some very cold days in Berlin. It's quite cold in Tartu in the winter. In the winter, Tartu is much colder than Berlin. Typically, the winter temperatures in Tartu in January average around -7°C (19°F), and Berlin averages at about -0°C (31°F).

Tartu usually receives less sunshine than Berlin during winter. Tartu gets 36 hours of sunny skies, while Berlin receives 42 hours of full sun in the winter.

In January, Tartu usually receives less rain than Berlin. Tartu gets 29 mm (1.1 in) of rain, while Berlin receives 40 mm (1.6 in) of rain each month for the winter.


  • Winter Average Temperatures January
    Tartu -7°C (19°F) 
    Berlin -0°C (31°F)

Should I visit Tartu or Berlin in the Spring?

The spring brings many poeple to Tartu as well as Berlin. Many travelers come to Tartu for the natural beauty. Also, many visitors come to Berlin in the spring for the activities around the city.

Be prepared for some very cold days in Tartu. In April, Tartu is generally much colder than Berlin. Daily temperatures in Tartu average around 5°C (41°F), and Berlin fluctuates around 9°C (47°F).

In the spring, Tartu often gets more sunshine than Berlin. Tartu gets 180 hours of sunny skies this time of year, while Berlin receives 160 hours of full sun.

Tartu usually gets less rain in April than Berlin. Tartu gets 33 mm (1.3 in) of rain, while Berlin receives 40 mm (1.6 in) of rain this time of the year.


  • Spring Average Temperatures April
    Tartu 5°C (41°F) 
    Berlin 9°C (47°F)

Typical Weather for Berlin and Tartu

Tartu Berlin
Temp (°C) Rain (mm) Temp (°C) Rain (mm)
Jan -7°C (19°F) 29 mm (1.1 in) -0°C (31°F) 40 mm (1.6 in)
Feb -6°C (20°F) 23 mm (0.9 in) 1°C (33°F) 31 mm (1.2 in)
Mar -2°C (29°F) 26 mm (1 in) 4°C (40°F) 35 mm (1.4 in)
Apr 5°C (41°F) 33 mm (1.3 in) 9°C (47°F) 40 mm (1.6 in)
May 11°C (53°F) 53 mm (2.1 in) 14°C (57°F) 52 mm (2 in)
Jun 15°C (59°F) 60 mm (2.4 in) 17°C (63°F) 71 mm (2.8 in)
Jul 17°C (62°F) 71 mm (2.8 in) 19°C (66°F) 50 mm (2 in)
Aug 16°C (61°F) 86 mm (3.4 in) 18°C (65°F) 57 mm (2.2 in)
Sep 11°C (52°F) 64 mm (2.5 in) 15°C (59°F) 47 mm (1.9 in)
Oct 6°C (43°F) 52 mm (2 in) 10°C (50°F) 35 mm (1.4 in)
Nov 1°C (33°F) 48 mm (1.9 in) 5°C (41°F) 48 mm (1.9 in)
Dec -4°C (25°F) 40 mm (1.6 in) 2°C (35°F) 51 mm (2 in)