Pace Calculator
| 1 mi | 9:00 |
| 2 mi | 18:00 |
| 3 mi | 27:00 |
| 4 mi | 36:00 |
| 5 mi | 45:00 |
Enter any two of distance, time, and pace and this calculator solves for the third. Run 5 miles in 45:00 and it shows a 9:00 per-mile pace; give it a goal pace and a race distance to predict your finish time. Switch between miles and kilometers, and read the pace in minutes and seconds per unit.
The formula
Pace is total time divided by distance — seconds per mile or per kilometer. Rearranging gives finish time from a goal pace, or distance from a time and pace.
How to use it
- 1
Pick what to solve for
Choose whether you want pace, time, or distance — the calculator asks for the other two.
- 2
Enter your numbers
Enter distance with its unit (mi or km), and time as
MM:SSorH:MM:SS. Pace is entered as minutes and seconds per unit. - 3
Read the result
Get your pace per mile or kilometer, your projected finish time, or the distance you'd cover — formatted in clock notation.
Frequently asked questions
- What's the difference between pace and speed?
- Pace is time per distance (minutes per mile); speed is distance per time (miles per hour). A 10:00 mile pace equals 6.0 mph — they're inverses.
- How do I convert between miles and kilometers?
- One mile is 1.609 km. A 9:00-per-mile pace is about 5:35 per kilometer; switch the unit and the calculator converts the distance for you.
- Can I predict a race finish time?
- Yes. Enter your goal pace and the race distance and choose to solve for time — it multiplies them to estimate your finish.
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Part of Everyday Calculators. Last updated 2026-06-14.