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Travel Time Calculator

Estimate journey time from distance, speed and stops.

About Travel Time Calculator

Effective speed falls well below cruising speed once stops and traffic are included. On a long drive two twenty-minute stops cost more time than a ten kilometre per hour speed difference. Estimating arrival from cruising speed alone is why journeys routinely run an hour longer than planned.

Formula

Travel Time

Total time = distance ÷ speed × (1 + traffic allowance) + stop time

effective speed
Distance divided by total elapsed time, including stops

Worked example

With the default values below, Travel Time Calculator returns Total Journey Time of 6.033. Change any input above and every figure here is recalculated in your browser.

Inputs used

Distanceminimum 0 km
420 km
Average speedminimum 0.01 km/h
90 km/h
Number of stopsminimum 0
2
Minutes per stopminimum 0 min
20 min
Traffic delay allowanceaccepts 0–100 %
15 %

Results

Total Journey Time
6.033 h
Moving Time
5.367 h
Time Stopped
0.667 h
Effective Average Speed
69.613 km/h
Journey Time
6h 02m

Step by step

  1. 1Values used
  2. 2Travel Time
  3. 3Total Journey Time= 6.033 h
  4. 4Moving Time= 5.367 h
  5. 5Time Stopped= 0.667 h
  6. 6Effective Average Speed= 69.613 km/h
  7. 7Journey Time= 6h 02m

Assumptions and limits

  • The result is derived only from the 5 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Travel Time calculated?

Total time = distance ÷ speed × (1 + traffic allowance) + stop time Effective speed falls well below cruising speed once stops and traffic are included. On a long drive two twenty-minute stops cost more time than a ten kilometre per hour speed difference.

Why does Travel Time matter?

Estimating arrival from cruising speed alone is why journeys routinely run an hour longer than planned.

What values do I need to enter?

This calculator takes 5 inputs: Distance, Average speed, Number of stops, Minutes per stop, Traffic delay allowance. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

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