A curated collection of calculators for cyclists and runners — pace, speed, and distance tools
Calculate calories burned shoveling snow based on your weight, activity type, and duration. Supports American (lbs, sq ft)…
Calculate the real cost-to-run of different bike lubricants. Compare dry, wet, wax, and hot-melt wax lubes. Includes chain…
Use Prof. Van Maldeghem's formula to predict whether a cycling breakaway will be caught by the peloton. Enter riders, time…
Calculate your bike pace (min/km or min/mile) and cycling speed (km/h or mph) from distance and time. Includes Ironman bike…
Calculate bike gear ratios and gear inches for any combination of chainring and cog teeth. Supports imperial (inches) and…
Calculate calories burned doing burpees based on your weight and number of reps. Supports American (lbs) and metric (kg)…
Calculate calories burned on an elliptical trainer based on your weight, duration, and resistance level. Supports metric…
Calculate the correct bicycle chain length in links, inches, and mm using the standard formula. Supports metric and imperial…
Find your ideal bike frame size for road, mountain, or city bikes. Enter your height and inseam in metric (cm) or imperial…
Calculate your fat burning heart rate zone using 3 methods: percentage of MHR, Zoladz method, and Karvonen formula. Supports…
Calculate calories burned biking based on your weight, cycling activity type, and duration. Supports metric and imperial…
Calculate your cycling power output in watts. Includes gravity, rolling resistance, aerodynamic drag, and drivetrain loss.…
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