Speed Distance Time Calculator
Solve for speed, distance, or time with flexible unit conversions. Great for driving, cycling, running, and trip planning.
How to Use
- Choose whether you want to calculate speed, distance, or time.
- Enter the two known values, then select the matching distance and speed units.
- For time inputs, enter hours, minutes, and seconds in any combination.
- Review the main answer plus alternate unit conversions and the built-in pace calculation.
Frequently Asked Questions
What is the formula for speed, distance, and time?
The core formulas are speed = distance ÷ time, distance = speed × time, and time = distance ÷ speed. This calculator rearranges those formulas automatically based on the mode you choose.
Can I calculate pace from speed?
Yes. The pace section converts the calculated or entered speed into minutes per mile or minutes per kilometer, which is especially useful for runners and walkers.
Which units does this calculator support?
Distance can be entered in miles or kilometers. Speed supports mph, km/h, and m/s. Time accepts hours, minutes, and seconds, so you can handle short sprints or long road trips easily.
How do I convert mph to pace per mile?
Pace per mile is the amount of time needed to cover one mile. For example, 6 mph equals a 10:00 min/mile pace because 60 minutes divided by 6 equals 10 minutes.
Is this calculator useful for driving and travel planning?
Definitely. You can estimate travel time from speed and distance, figure out average speed for a route, or see how far you can go within a set amount of time.