Health & Fitness · Performance & Health
Performance & Health calculators
One-rep max, running pace, target heart rate, eGFR and blood alcohol.
One Rep Max CalculatorEstimate your 1RM and training percentages from a set.Pace CalculatorRunning pace and speed from distance and time.Target Heart Rate CalculatorTraining heart-rate zones using the Karvonen (heart-rate reserve) method.GFR CalculatorEstimated glomerular filtration rate (CKD-EPI 2021, race-free).Blood Alcohol (BAC) CalculatorEstimated blood alcohol concentration via the Widmark formula.