Speed Distance Time Calculator

Solve for speed, distance, or time from any two known values.

By Konstantin Iakovlev · Updated April 2026 · Source: Khan Academy

Solve For

Speed

60.0 mph

Distance

150.0 mi

Time

2h 30m

Unit Conversions

Speed (km/h)96.6 km/h
Distance (km)241.4 km
Total Minutes150 min
Total Hours2.50

Use the Speed Distance Time Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Give this tool any two of the three quantities — speed, distance, or time — and it solves for the one you're missing. That makes it handy for mapping out a road trip, estimating how long a journey will take, or breaking down athletic performance. The numbers stay relevant too: average speeds on major highways are projected to sit near 65 mph in 2026, while high-speed rail can hit 180 mph.

Everything rests on one relationship: Distance = Speed × Time. Rearrange it and the other two cases fall out, giving Speed = Distance ÷ Time and Time = Distance ÷ Speed. Feed in a distance of 300 miles and a time of 5 hours, for example, and the tool runs Speed = 300 miles ÷ 5 hours to return the speed.

Mismatched units cause most wrong answers, so keep them aligned: miles for distance pairs with miles per hour for speed and hours for time. Confirm each input is in the unit you intend before reading the result. And treat the output as a clean theoretical figure, since it makes no allowance for traffic, rest stops, or weather and road conditions out in the real world.

Example: Planning a Road Trip to the 2026 FIFA World Cup Final

  1. 1 Imagine you're planning to drive from New York City to Los Angeles for the 2026 FIFA World Cup Final, a distance of approximately 2,790 miles. You want to know how long it will take if you maintain an average driving speed of 60 miles per hour, accounting for stops.
  2. 2 Using the formula Time = Distance ÷ Speed, the calculator would perform: Time = 2,790 miles ÷ 60 miles/hour.
  3. 3 The calculated travel time is 46.5 hours.
  4. 4 This means your driving time alone would be 46.5 hours. Factoring in rest stops, meals, and overnight stays, you would likely need at least 3 to 4 days to complete this cross-country journey comfortably.

Source: Khan Academy · Last updated: April 2026

Frequently Asked Questions

How do you calculate speed from distance and time?
Speed equals distance divided by time. For example, if you travel 150 miles in 2.5 hours, your average speed is 60 mph (150 / 2.5).
How do you find distance from speed and time?
Distance equals speed multiplied by time. For example, driving 65 mph for 3 hours covers 195 miles (65 x 3).
How do you convert minutes per mile to miles per hour?
Divide 60 by your pace in minutes per mile. An 8-minute mile pace equals 7.5 mph (60 / 8). A 10-minute mile pace equals 6 mph.

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