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Enter the journey distance in kilometres and the average speed in kilometres per hour. Time equals distance divided by speed, shown in hours and in total minutes, giving the full journey duration. Use an average speed that already allows for stops, or add a buffer for them.
Time equals distance divided by speed. A train covering 240 km at 80 km/h takes 240 divided by 80, which is 3 hours. To convert decimal hours to minutes, multiply by 60: 1.375 hours is 1 hour, 22 minutes and 30 seconds. The same relationship gives distance as speed times time, and speed as distance divided by time. Speed distance time problems all use this same triangle of time, distance and speed.
Average speed is the number that matters, not the top speed. It already accounts for acceleration, braking, curves, speed limits and scheduled stops. If you know a scheduled journey time for a similar train, divide distance by that time to get a realistic average speed. A local train stopping often averages far less than an intercity express on the same route.
Planning models often add about 5 minutes per intermediate stop to the running time. Metro models use shorter dwells of 20 to 60 seconds per station. Stoppage time is simply the time lost at stations, and it is already inside a true average speed, so do not count it twice. For a robust plan, add a time buffer of 10 to 20 percent for congestion, signal checks and timetable padding, and treat the result as an estimate rather than a promised arrival.
A 55 km trip at 40 km/h takes 1 hour, 22 minutes and 30 seconds. A 150 km trip at 90 km/h with 3 stops at 5 minutes each takes 1 hour and 40 minutes running plus 15 minutes of stops, which is 1 hour and 55 minutes. A high speed run of 700 km at 350 km/h takes exactly 2 hours.
High speed trains typically cruise at 190 to 350 km/h, which makes them competitive with flying over city to city distances up to about 600 km once airport time is counted. At 110 km/h, a 500 km journey takes 4 hours and 33 minutes, while the same distance at 300 km/h takes 1 hour and 40 minutes.
Compare an express service with a stopping service on the same distance to see what the stops cost you in time. For commuting, test a realistic local speed and a faster express speed side by side. Always confirm the final departure and arrival with the operator timetable, since this estimator cannot see engineering work, transfers or live delays.
Divide the journey distance by the average speed. A 300 km trip at 100 km/h takes 3 hours, and a 150 km trip at 90 km/h takes 1 hour and 40 minutes.
Divide a known route distance by its scheduled journey time. That figure reflects stops and slow sections, unlike the advertised top speed.
Yes. Planning models add roughly 5 minutes per intermediate stop, and metro stops add 20 to 60 seconds each. Stops are already inside a true average speed, so do not count them twice.
It is a planning guide. It excludes timetable padding, signal checks, delays, transfers and engineering work, so real trips often run longer.
No. Use it to compare routes and plan, then confirm departure times, durations and prices with the operator or an authorised booking site.
It varies widely. Local trains average far below their top speed, while high speed services cruise at 190 to 350 km/h. Use a timetable-derived average where possible.
Add the travel time and any break or stop allowance to the departure time. A 9:00 a.m. departure with a 3 hour journey and a 30 minute break arrives at 12:30 p.m.
Because of stops, acceleration and braking, speed limits, timetable padding and possible delays. A top speed figure ignores all of these.