Health Calculators

Race Time Calculator – 1 Mile Estimates finish time for a 1 Mile from running pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – 3K Estimates finish time for a 3K from running pace. Enter the distance and pace. Educational estimate only. Open calculator → Race Time Calculator – Half Marathon Estimates finish time for a Half Marathon from running pace. Enter the distance and pace. Educational estimate only. Open calculator → Serum Osmolality Calculator Estimates calculated serum osmolality from sodium, glucose, and BUN. Enter the sodium and glucose. Educational estimate only. Open calculator → Sleep Debt Calculator – 6 Hours Sleep / 7 Hour Target Calculates weekly sleep debt when average sleep is 6 hours against a 7-hour target. Enter the average sleep and target sleep. Educational estimate only. Open calculator → Sleep Duration Calculator – 6 Hours from 21:00 Calculates an approximate wake time after 6 hours of sleep starting at 21:00. Enter the sleep duration and bedtime. Educational estimate only. Open calculator → Sleep Duration Calculator – 9 Hours from 23:00 Calculates an approximate wake time after 9 hours of sleep starting at 23:00. Enter the sleep duration and bedtime. Educational estimate only. Open calculator → TDEE Calculator – Age 20 – Sedentary Estimates total daily energy expenditure at age 20 using Mifflin-St Jeor BMR and a sedentary activity factor. Enter the sex and age. Educational estimate only. Open calculator → TDEE Calculator – Age 32 – Moderately Active Estimates total daily energy expenditure at age 32 using Mifflin-St Jeor BMR and a moderately active activity factor. Enter the sex and age. Educational estimate only. Open calculator → TDEE Calculator – Age 42 – Sedentary Estimates total daily energy expenditure at age 42 using Mifflin-St Jeor BMR and a sedentary activity factor. Enter the sex and age. Educational estimate only. Open calculator → TDEE Calculator – Age 52 – Very Active Estimates total daily energy expenditure at age 52 using Mifflin-St Jeor BMR and a very active activity factor. Enter the sex and age. Educational estimate only. Open calculator → 1RM Calculator – 11 Rep Estimate Estimates one-repetition maximum from a 11-rep lift using a standard 1RM estimation formula. Enter the lifted weight and repetitions. Educational estimate only. Open calculator →