🌿 Health Calculators

Find your Body Mass Index and see which weight category you fall into.

See your ideal body weight from four medical formulas and the healthy BMI range.

Estimate body fat percentage using the US Navy method. Shows fat and lean mass.

Find daily calorie targets and how long to reach your goal weight — 3 plan options.

Calculate your waist-to-hip ratio and WHO cardiovascular risk category.

See your expected weight gain by week of pregnancy based on IOM guidelines.

Find your daily calorie needs based on size, age, activity and goal.

Find your daily water target based on weight, activity and climate.

Get protein, carbs and fat targets for your daily calories and goal.

Find your daily protein target based on body weight, activity level, and goal.

Find your recommended daily fiber intake and see how your current diet compares.

Find your 5 training zones for fat burning, cardio and peak performance.

Estimate calories burned during 18+ exercises and daily activities.

Convert your step count to calories burned and distance.

Estimate your one rep max from any weight and rep count. Get your full training weight table by percentage.

Estimate your VO2 max (aerobic fitness) without a treadmill test, using a validated non-exercise formula.

Calculate the pace per km/mile needed to hit your goal race finish time, with a full splits table.

Figure out exactly which plates to load on the bar to hit your target weight.

Find the best wake times based on 90-minute sleep cycles.

Find your exact age in years, months and days. Days until next birthday.

Calculate estimated due date from last period. See trimester and days remaining.

Check your blood pressure reading, see your classification, and log readings over time to track trends.

Estimate your ovulation day and fertile window from your last period and cycle length.