Calculate your pace per mile or kilometer with pace calculator. Plan your race pace, figure out how far you race based on your estimated pace, or calculate the pace of your last training.

Monitoring your heart rate during exercise not only helps you maximize your workout but may also serve as a warning if you are overexerting yourself. Use the calculator below to determine your maximum heart rate and target heart rate range.

Use the calorie calculator to estimate the number of calories burnt in your most recent workout. The number of calories used in a workout is based primarily on how far you go, not how fast you get there.

Here you find metric conversion calculators to convert between different units of measurement using the metric. In this category you can find the distance and weight measurements conversion.

Use the race time predictor to estimate how long it will take to run a specified distance, based on a previous race result.