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Drive Time Calculator

Drive Time Calculator works out Travel time and Total time including stops from Distance, Distance unit and Average speed. The default figures on this page give travel time of 1 h 40 min; change any entry and the result, the working and the sources update together.

Travel time
1 h 40 min
Travel Time Calculator
Travel time
1.6667 h
Travel time
100.00 min
Total time including stops
1.6667 h
Total time including stops
100.00 min
Total time including stops
1 h 40 min
Minutes per unit of distance
1.0000 min
Average speed
96.5606 km/h
Distance
160.9344 km
Midnights crossed
0
Worked out from OpenStax, Elementary Algebra 2e - distance, rate and time relationships and 2 other sources.
This is constant average-speed arithmetic. It takes no account of the route actually driven, traffic, road works, weather, wind or currents, schedules or safe stopping, and is not an arrival guarantee.

Your figures

Updates as you type
A constant average over the whole journey, not a speed limit.
Total time standing still: fuel, meals, taxi and boarding time, layovers.
Optional. Local clock time at the start, e.g. 09:30.
Optional. Only needed if you want the arrival date as well as the arrival time.

How this is worked out

2 steps
  1. Travel time = distance / speed = 100 / 60 = 1.666667 hours.
  2. In minutes: 60 x 1.666667 = 100 minutes (1 h 40 min).

Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed

Sources and references

3 sources
OpenStax, Elementary Algebra 2e - distance, rate and time relationships
The uniform-motion relationship d = rt, inverted to t = d/r.
NIST Guide to the SI, Appendix B.9 conversion factors
Exact mile, kilometre and nautical mile relationships used to mix distance and speed units.
Google Maps Routes API documentation
Where a real route distance and traffic-aware duration would come from; this engine takes the distance as an input instead.

What the Drive Time Calculator calculates

Computes how long a journey takes from its distance and a constant average speed, adds any planned stops, and reports the arrival time and date when a departure time is given.

How to use this Drive Time Calculator

Enter Distance, Distance unit, Average speed and Speed unit. Travel time updates as you type. Change one figure at a time to see what drives the result.

How the result is worked out

Open “How this is worked out” beside the result for the step-by-step calculation behind Travel time, Total time including stops and Minutes per unit of distance.

The method follows OpenStax, Elementary Algebra 2e - distance, rate and time relationships, NIST Guide to the SI, Appendix B.9 conversion factors and Google Maps Routes API documentation.

What you can compare

Change one input at a time to see how it affects Travel time, Total time including stops and Minutes per unit of distance. The inputs you can vary are Distance, Distance unit, Average speed, Speed unit, Planned stops and Departure time.

Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.

Embed this calculator on your website

Copy this code into any page. The calculator appears with the figures currently entered, sizes itself to fit, and a small credit line links back here. Free, no account, no ads inside it, no tracking of your readers. Set your own figures and fixed fields; Personal removes the credit line, sets your colour and shows you which sites use it.

Preview

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Frequently asked questions

What information do I need for the Drive Time Calculator?

You need Distance, Distance unit, Average speed, Speed unit, Planned stops, Departure time and Departure date. The page opens with default figures that give travel time of 1 h 40 min, so you can see the scale before entering your own.

What does this Drive Time Calculator show?

It shows Travel time, Total time including stops, Minutes per unit of distance, Average speed, Distance, Arrival time, Arrival date and Arrival weekday, with the working and any warnings for your entries.

Can I check how the Drive Time Calculator result was calculated?

Yes. The “How this is worked out” section shows the calculation steps, and the sources section identifies the references used for the method.

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