Have you ever tried to finish a race under a time limit? This calculator will help you determine the average pace you should run at to reach your goal. Maybe a marathon under 3 hours? Or a 5K under 25 minutes?
The below listed calculators can be used to determine miscellaneous variables related to running, fitness and health. Calculate your heart rate zones or body mass index, convert pace between imperial and metric units, predict a race time or calculate your pace.
Running Race Time Predictor
This calculator will help you to predict your race time based on a previously completed race. It is based on the formula created by Peter Riegel. For details on the formula and the math read the how to guide.
Body Mass Index Calculator
This calculator will help you to calculate your body mass index. You can use metric or imperial units.
Pace Converter: min/km ↔ min/mile
This calculator will help you to convert between paces determined in metric and imperial units. For the details about the math behind it read the how to guide.
Karvonen Heart Rate Zones Calculator
This calculator will help you to define your heart rate zones using the Karvonen formula. A full description of the formula can be found here.