VO₂ Max Estimator
Estimate VO₂ max from a 12-minute Cooper run distance or from maximum and resting heart rate (Uth method).
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Calculators
The sums that come up often enough to be worth a page.
- 451 items
Running Pace Calculator
Calculate running pace per kilometre and per mile, speed and predicted finish times for common race distances.
Read moreOne Rep Max Calculator
Estimate one-repetition maximum from a submaximal set using Epley and Brzycki formulas, with a percentage table for training…
Read moreSleep Debt Calculator
Calculate weekly sleep debt by comparing nightly sleep with your sleep need, and the average shortfall per night.
Read moreIntermittent Fasting Calculator
Plan an intermittent fasting schedule: eating window start and end times for 16:8, 18:6, 20:4 or a custom fast.
Read moreBlood Pressure Category Calculator
Find the adult blood pressure category for a reading using the 2017 American College of Cardiology and American Heart…
Read moreIdeal Body Weight Calculator
Calculate ideal body weight from height and sex with the Devine, Robinson, Miller and Hamwi formulas, plus the healthy BMI range.
Read moreHeart Rate Zone Calculator
Calculate maximum heart rate and five training zones using heart rate reserve (Karvonen) from age and resting heart rate.
Read moreWater Intake Calculator
Estimate daily water intake from body weight, exercise and climate, as litres and glasses.
Read moreProtein Intake Calculator
Calculate daily protein needs from body weight and goal, with per-meal amounts and the share of calories.
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