Health Calculators

Pace Calculator – Rest Day Pace Calculator for rest day planning; calculates the result from the inputs displayed on the calculator. Enter the distance and time. Educational estimate only. Open calculator → Protein Calculator – 105 kg – 1.6 g/kg Calculates a daily protein target for a 105 kg body weight using a 1.6 g/kg target. Enter the body weight and protein per kg. Educational estimate only. Open calculator → Protein Calculator – 130 kg – 2.0 g/kg Calculates a daily protein target for a 130 kg body weight using a 2.0 g/kg target. Enter the body weight and protein per kg. Educational estimate only. Open calculator → Protein Calculator – 50 kg – 1.2 g/kg Calculates a daily protein target for a 50 kg body weight using a 1.2 g/kg target. Enter the body weight and protein per kg. Educational estimate only. Open calculator → Protein Calculator – 75 kg – 1.6 g/kg Calculates a daily protein target for a 75 kg body weight using a 1.6 g/kg target. Enter the body weight and protein per kg. Educational estimate only. Open calculator → Protein Calculator – Muscle Gain Protein Calculator variant focused on muscle gain; it performs the underlying calculation using the inputs shown. Enter the body weight and protein per kg. Educational Open calculator → Race Time Calculator – 10K at 10 min/km Estimates 10K finish time at a 10 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – 5K at 10 min/km Estimates 5K finish time at a 10 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – Marathon at 10 min/km Estimates Marathon finish time at a 10 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Sleep Debt Calculator – 4 Hours Sleep / 9 Hour Target Calculates weekly sleep debt when average sleep is 4 hours against a 9-hour target. Enter the average sleep and target sleep. Educational estimate only. Open calculator → Sleep Debt Calculator – 8-Hour Target Calculates weekly sleep debt against a 8-hour nightly target. Enter the average sleep and target sleep. Educational estimate only. Open calculator → Sleep Duration Calculator – 8 Hours from 21:00 Calculates an approximate wake time after 8 hours of sleep starting at 21:00. Enter the sleep duration and bedtime. Educational estimate only. Open calculator →