Target Heart Rate Calculator

Pace Calculator
Calculate your running pace and speed from distance and time.
Enter a distance and time, then click Calculate.

What this calculator does

This pace calculator converts a running or walking workout into pace (time per kilometer or mile) and speed (km/h and mph). Enter your distance and total time to see your average pace.

Use it for training plans, race predictions, and to compare efforts across different distances. Knowing your pace helps you set realistic targets and avoid starting too fast on race day.

How to use this calculator

Enter your information in the fields above, run the calculation, and review the result to understand what it means for your situation.

How to interpret your result

Look at the output in the context of your overall goals rather than in isolation. Consider how sensitive the result is to changes in your inputs (for example, adjusting the amount, rate, or time) to understand which factors matter most.

Limitations and notes

This tool is a simplified model and does not capture every nuance of real life. Treat it as a planning aid, not a guarantee. For important financial or health decisions, combine these results with professional advice and more detailed analysis.