Health calculators
Understand adult screening measures, energy estimates and calendar-based health calculations. These tools explain estimates without making diagnoses.
Popular health tools
HealthBMI CalculatorUse the bmi tool with measurement system, weight (kg or lb). See results, the
formula and a worked example.HealthOverweight CalculatorUse the overweight tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.HealthAnorexic BMI CalculatorUse the anorexic bmi tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.
All health calculators
HealthAnorexic BMI CalculatorUse the anorexic bmi tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.HealthArmy Body Fat CalculatorUse the army body fat tool with measurement system, height (cm or inches).
See results, the formula and a worked example.HealthBAC CalculatorUse the bac tool with measurement system, weight (kg or lb). See results, the
formula and a worked example.HealthBMI CalculatorUse the bmi tool with measurement system, weight (kg or lb). See results, the
formula and a worked example.HealthBMR CalculatorUse the bmr tool with measurement system, weight (kg or lb). See results, the
formula and a worked example.HealthBody Fat CalculatorUse the body fat tool with measurement system, height (cm or inches). See
results, the formula and a worked example.HealthBody Surface Area CalculatorUse the body surface area tool with measurement system, weight (kg or lb).
See results, the formula and a worked example.HealthBody Type CalculatorUse the body type tool with measurement system, height (cm or inches). See
results, the formula and a worked example.HealthCalorie CalculatorUse the calorie tool with measurement system, weight (kg or lb). See results,
the formula and a worked example.HealthCalories Burned CalculatorUse the calories burned tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.HealthCarbohydrate CalculatorUse the carbohydrate tool with daily energy (kcal), carbohydrate energy share
(%). See results, the formula and a worked example.HealthConception CalculatorUse the conception tool with estimated due date. See results, the formula and
a worked example.HealthDue Date CalculatorUse the due date tool with first day of last menstrual period, typical cycle
length (days). See results, the formula and a worked example.HealthFat Intake CalculatorUse the fat intake tool with daily energy (kcal), fat energy share (%). See
results, the formula and a worked example.HealthGFR CalculatorUse the gfr tool with serum creatinine (mg/dl), age (years). See results, the
formula and a worked example.HealthHealthy Weight CalculatorUse the healthy weight tool with measurement system, height (cm or inches).
See results, the formula and a worked example.HealthIdeal Weight CalculatorUse the ideal weight tool with measurement system, height (cm or inches). See
results, the formula and a worked example.HealthLean Body Mass CalculatorUse the lean body mass tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.HealthMacro CalculatorUse the macro tool with daily energy (kcal), protein energy share (%). See
results, the formula and a worked example.HealthOne Rep Max CalculatorUse the one rep max tool with lifted weight (any consistent unit), completed
repetitions. See results, the formula and a worked example.HealthOverweight CalculatorUse the overweight tool with measurement system, weight (kg or lb). See
results, the formula and a worked example.HealthOvulation CalculatorUse the ovulation tool with first day of last period, typical cycle length
(days). See results, the formula and a worked example.HealthPace CalculatorUse the pace tool with distance, distance unit. See results, the formula and
a worked example.HealthPeriod CalculatorUse the period tool with first day of last period, typical cycle length
(days). See results, the formula and a worked example.HealthPregnancy CalculatorUse the pregnancy tool with first day of last menstrual period, typical cycle
length (days). See results, the formula and a worked example.HealthPregnancy Conception CalculatorUse the pregnancy conception tool with estimated due date. See results, the
formula and a worked example.HealthPregnancy Weight Gain CalculatorUse the pregnancy weight gain tool with measurement system, weight (kg or
lb). See results, the formula and a worked example.HealthProtein CalculatorUse the protein tool with measurement system, weight (kg or lb). See results,
the formula and a worked example.HealthTarget Heart Rate CalculatorUse the target heart rate tool with age (years), resting heart rate (bpm).
See results, the formula and a worked example.HealthTDEE CalculatorUse the tdee tool with measurement system, weight (kg or lb). See results,
the formula and a worked example.HealthWeight Watcher Points CalculatorUse the weight watcher points tool with food calories (kcal), fat (grams).
See results, the formula and a worked example.
Choosing a health calculator
Understand adult screening measures, energy estimates and calendar-based health calculations. These tools explain estimates without making diagnoses. Start with the tool whose input labels match your problem. Read the formula before interpreting the result; similar calculators can use different periods, units or assumptions.
How can I compare results in this category?
Use matching units and assumptions. Save each calculation summary to compare changes. The related-tool links on calculator pages help you explore another part of the same problem.