Explore formulas and limits for wellness estimates. Results are for learning only; see each tool's disclaimer and your clinician for personal decisions.
Estimate daily calories from lean body mass using the Cunningham RMR formula for athletes
Calculate your health metrics, like LDL
Estimate daily calories with the Mifflin-St Jeor resting metabolic rate equation and activity factor
Calculate maximum heart rate with the Astrand age-based regression formula.
Compute max heart rate via the Ball State University age regression formula.
Calculate body mass index online
Derive maximum heart rate with the Cerretelli age-based formula.
Estimate max heart rate using the Cooper formula: 220 minus your age in years.
Estimate ideal body weight in kg using the Devine clinical formula from height and sex.
Predict peak heart rate using the Liesen formula from age and gender inputs.
Calculate max heart rate using the Mellerowicz age regression formula.
Estimate ideal body weight in kg using the Miller formula for adjusted clinical targets.
Estimate ideal body weight in kg using the Robinson formula—a common refinement of Devine.
Estimate maximum heart rate with the Tanaka 208 minus 0.7 times age formula.
Estimate daily water intake from body weight using ml-per-kg guidelines