Underground London Fare Calculator

Welcome to the most accurate Underground London Fare Calculator. Instantly determine the cost of your journey on the London Underground, DLR, and Overground. This tool uses the latest TfL fare data to compare Oyster/Contactless prices for Peak and Off-Peak times, ensuring you always know the cost before you travel.

Please select valid start and end zones.

Oyster / Contactless Single Fare

£2.80

1-2

Zones Travelled

Off-Peak

Time

£6.70

Cash Fare

Fares are based on the zones crossed and whether you travel during busy Peak hours. Using Oyster or Contactless is significantly cheaper than buying a cash ticket.

Peak vs. Off-Peak Fare Comparison

This chart dynamically compares the Peak and Off-Peak fares for your selected journey, visually highlighting the potential savings of travelling outside of peak hours.

Example Fare Matrix (Oyster/Contactless)

Journey	Off-Peak Fare	Peak Fare
Within Zone 1	£2.70	£2.80
Zone 1 to Zone 2	£2.80	£3.40
Zone 1 to Zone 3	£3.00	£3.70
Zone 1 to Zone 4	£3.20	£4.40
Zone 1 to Zone 5	£3.50	£5.10
Zone 1 to Zone 6	£3.60	£5.60
Zone 2 to Zone 6	£3.40	£5.10

This table shows common Oyster/Contactless pay-as-you-go fares. Our Underground London Fare Calculator provides precise costs for your specific trip.

What is an Underground London Fare Calculator?

An Underground London Fare Calculator is a digital tool designed to help commuters, residents, and tourists accurately predict the cost of a single journey on London’s public transport network. This includes the London Underground (the “Tube”), the Docklands Light Railway (DLR), and the London Overground. The primary purpose of this calculator is to provide financial clarity before you travel, eliminating the guesswork associated with Transport for London’s (TfL) complex zonal fare system. By inputting your start and end zones, along with the time of day, you can see the exact Oyster or Contactless card fare. This is crucial for anyone looking to manage their travel budget effectively in one of the world’s most expensive cities. A reliable Underground London Fare Calculator is an indispensable tool for daily commuters and first-time visitors alike.

Anyone travelling within London’s 9 zones should use this Underground London Fare Calculator. This includes tourists planning their sightseeing itinerary, new residents getting to grips with the city, and daily commuters wanting to verify their travel costs. A common misconception is that all journeys within central London cost the same. However, fares vary significantly based on how many zones you cross and, most importantly, whether you travel during the expensive Peak periods. Our calculator helps to debunk this myth by providing precise, journey-specific pricing.

Underground London Fare Calculator Formula and Mathematical Explanation

The calculation behind a London Underground fare isn’t a simple single formula but a lookup in a large fare matrix provided by TfL. Our Underground London Fare Calculator simulates this process. The final fare is determined by three key variables: the starting zone, the ending zone, and the time of travel.

The logic follows these steps:

1. Determine Journey Span: Identify the lowest and highest zones of the journey (e.g., a trip from Zone 4 to Zone 2 spans Zones 2, 3, and 4).
2. Identify Travel Time: Classify the journey’s start time as either ‘Peak’ or ‘Off-Peak’. Peak hours are typically 06:30-09:30 and 16:00-19:00 on weekdays.
3. Fare Matrix Lookup: Using the journey span and time classification, the system looks up the corresponding fare in a pre-defined data table that mirrors TfL’s official fare structure. For example, a journey from Zone 1 to Zone 3 during Peak hours has a different, higher fare than the same journey during Off-Peak hours.

This Underground London Fare Calculator simplifies this complex lookup into an easy-to-use interface.

Variables Table

Variable	Meaning	Unit	Typical Range
Start Zone (S)	The TfL zone where the journey begins.	Zone Number	1-6 (for this calculator)
End Zone (E)	The TfL zone where the journey ends.	Zone Number	1-6 (for this calculator)
Travel Time (T)	The time of day the journey is initiated.	Category	Peak, Off-Peak
Fare (F)	The resulting cost of the journey.	GBP (£)	£1.90 – £6.70+

Practical Examples (Real-World Use Cases)

Example 1: Commuter Journey

A commuter travels from their home in Wimbledon (Zone 3) to their office in Canary Wharf (Zone 2) during the morning rush hour.

• Inputs: Start Zone 3, End Zone 2, Travel Time: Peak
• Output: The Underground London Fare Calculator would show a Peak fare, likely around £3.70. It would also display the much cheaper Off-Peak fare of £3.00, illustrating the cost of peak travel.
• Interpretation: The commuter can see the daily cost of their return journey and might consider adjusting their travel times, if possible, to save money.

Example 2: Tourist Sightseeing Trip

A tourist is staying near Heathrow (Zone 6) and wants to visit the Tower of London (Zone 1) in the middle of the day.

• Inputs: Start Zone 6, End Zone 1, Travel Time: Off-Peak
• Output: The calculator would provide the Off-Peak fare for a Zone 1-6 journey, which is approximately £3.60. This is significantly less than the Peak fare of £5.60.
• Interpretation: The tourist can confidently budget for their travel. This Underground London Fare Calculator helps them understand that travelling after the morning rush hour is far more economical.

How to Use This Underground London Fare Calculator

Using our Underground London Fare Calculator is straightforward. Follow these simple steps for an instant fare estimate:

1. Select Your Start Zone: From the first dropdown menu, choose the transport zone you will be starting your journey from.
2. Select Your End Zone: In the second dropdown, select the zone of your destination.
3. Choose Your Travel Time: Select ‘Peak’ if you are travelling between 06:30-09:30 or 16:00-19:00 on a weekday. Otherwise, select ‘Off-Peak’.
4. Review Your Results: The calculator will instantly display the single fare for your journey using an Oyster or Contactless card. It also shows key intermediate values like the zones crossed and the equivalent (and much more expensive) cash fare.
5. Analyze the Chart: The bar chart provides a clear visual comparison between Peak and Off-Peak fares for your selected route, helping you make smarter travel decisions.

By using this powerful Underground London Fare Calculator, you can effectively plan your travel and manage your budget while navigating London.

Key Factors That Affect Underground London Fare Calculator Results

Several critical factors influence the final fare calculated. Understanding these is key to mastering London’s transport costs.

1. Number of Zones Crossed

The most fundamental factor. The more zones your journey covers, the higher the fare. A trip within a single zone is the cheapest, while a trip from Zone 1 to Zone 6 is one of the most expensive.

2. Peak vs. Off-Peak Travel

Travelling during Peak hours (weekday mornings and evenings) incurs a significant surcharge. Our Underground London Fare Calculator shows this difference clearly. If you have flexibility, travelling Off-Peak offers substantial savings.

3. Payment Method

Using an Oyster card or a contactless payment card is dramatically cheaper than paying with cash. Cash fares for single journeys are set at a high punitive rate to encourage electronic payments. This tool focuses on the more common Oyster/Contactless fares.

4. Daily and Weekly Capping

While this single fare calculator doesn’t compute caps, it’s an important concept. TfL caps the total amount you can be charged in a single day or a week (Monday-Sunday). Once you hit the cap for the zones you’ve travelled in, any further travel in those zones is free. You can find more on this in our Daily Fare Capping Guide.

5. Special Routes and Exceptions

Some routes have special fares. For instance, journeys that avoid Zone 1, even if they cover multiple other zones, are often cheaper. The fare to and from Heathrow Airport also has its own pricing rules.

6. Use of Railcards

National Railcards (like the 16-25, 26-30, or Senior Railcard) can be linked to an Oyster card to provide a 1/3 discount on Off-Peak fares. This can lead to massive savings for eligible individuals. Our London Travelcard Calculator can help analyze these benefits.

Frequently Asked Questions (FAQ)

1. What is the difference between Peak and Off-Peak?

Peak times are when the network is busiest, typically Monday to Friday from 06:30 to 09:30 and 16:00 to 19:00. Fares are higher during these times. Off-Peak is all other times, including weekends and public holidays. Our Underground London Fare Calculator is the best way to see the price difference.

2. Is it cheaper to use an Oyster card or a contactless card?

The single fares and caps are identical for both. The main difference is that a standard Oyster card has an initial purchase fee, while a contactless card you already own is free to use (though non-UK cards may incur bank fees). For more details, see our Oyster vs Contactless guide.

3. Does this calculator include bus fares?

This calculator focuses on the zonal rail network (Tube, DLR, Overground). London buses have a simple flat fare per journey, and they also benefit from a separate ‘Hopper’ fare which allows unlimited bus/tram journeys within one hour for the price of a single fare.

4. Why is the cash fare so expensive?

Transport for London sets cash fares extremely high to strongly discourage their use. It’s inefficient and slows down the network. The Underground London Fare Calculator shows this high price to reinforce the savings from using Oyster or contactless.

5. What happens if I forget to touch out?

If you fail to touch out at the end of your journey, the system will charge you a maximum fare, which can be very expensive. It assumes you made the longest possible journey from your starting point. Always remember to touch in and touch out.

6. Can I use this Underground London Fare Calculator for the Elizabeth Line?

Yes, the Elizabeth Line is fully integrated into the zonal fare system, so the fares calculated here apply to it as well. It functions just like another Underground line for fare purposes.

7. Does the calculator account for daily capping?

This tool is a single Underground London Fare Calculator, so it calculates the price of one journey. It does not calculate the daily cap, which is the maximum amount you’ll pay for all journeys in a single day.

8. Is travel on Christmas Day free?

The Tube network is closed on Christmas Day (December 25th), so no services run. On other public holidays, a Saturday or Sunday service usually operates, and Off-Peak fares apply all day. Use our Underground London Fare Calculator to check fares for those days by selecting ‘Off-Peak’.