EVERYDAY LIFE & HEALTH
Fitness
Target Heart Rate Calculator
Calculate your target heart rate range and five training zones from your age, resting heart rate or measured maximum, with the Tanaka and Karvonen methods.
One Rep Max Calculator
Estimate your one-rep max from weight and reps with seven formulas, including Epley and Brzycki, and see training loads from 65% to 95% of your max.
Running Pace Calculator
Calculate running pace per km or mile, finish time or distance, with even splits and race-time predictions for the 5K, 10K, half marathon and marathon.