Health Calculators

Protein Calculator – 55 kg – 1.2 g/kg Calculates a daily protein target for a 55 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 – 80 kg – 1.6 g/kg Calculates a daily protein target for a 80 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 – Weight Loss Protein Calculator variant focused on weight loss; 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 6 min/km Estimates 10K finish time at a 6 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – 5K at 6 min/km Estimates 5K finish time at a 6 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – Marathon at 6 min/km Estimates Marathon finish time at a 6 minute-per-kilometer pace. Enter the distance and pace. Educational estimate only. Open calculator → Sleep Debt Calculator – 5 Hours Sleep / 8 Hour Target Calculates weekly sleep debt when average sleep is 5 hours against a 8-hour target. Enter the average sleep and target sleep. Educational estimate only. Open calculator → Sleep Debt Calculator – Weekly Calculate accumulated sleep debt from average sleep and days. This variant is framed for weekly use. Enter the average sleep and target sleep. Educational estimate only. Open calculator → Sleep Duration Calculator – 9 Hours from 00:00 Calculates an approximate wake time after 9 hours of sleep starting at 00:00. Enter the sleep duration and bedtime. Educational estimate only. Open calculator → TDEE Calculator – Age 18 – Moderately Active Estimates total daily energy expenditure at age 18 using Mifflin-St Jeor BMR and a moderately active activity factor. Enter the sex and age. Educational estimate only. Open calculator → TDEE Calculator – Age 28 – Very Active Estimates total daily energy expenditure at age 28 using Mifflin-St Jeor BMR and a very active activity factor. Enter the sex and age. Educational estimate only. Open calculator → TDEE Calculator – Age 40 – Moderately Active Estimates total daily energy expenditure at age 40 using Mifflin-St Jeor BMR and a moderately active activity factor. Enter the sex and age. Educational estimate only. Open calculator →