UT

Health & Fitness

BMI, calorie, heart rate, and wellness calculators

BMI Calculator

Calculate Body Mass Index with detailed categories and healthy weight range.

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BMR Calculator

Calculate Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict equations.

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TDEE Calculator

Calculate Total Daily Energy Expenditure based on BMR and activity level.

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Calorie Intake Calculator

Estimate daily calorie needs for weight loss, maintenance, or gain.

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Macro Nutrient Calculator

Calculate daily protein, carbs, and fat targets based on your goals.

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Water Intake Calculator

Estimate how much water you should drink daily based on weight and activity.

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Body Fat Percentage Calculator

Estimate body fat percentage using the US Navy method.

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Ideal Body Weight Calculator

Calculate ideal body weight using Devine, Robinson, Miller, and Hamwi formulas.

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Waist-to-Hip Ratio Calculator

Calculate waist-to-hip ratio and assess health risk category.

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Heart Rate Zone Calculator

Calculate heart rate training zones based on max heart rate.

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Max Heart Rate Calculator

Estimate maximum heart rate using multiple formulas.

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VO2 Max Estimator

Estimate VO2 max from running or cycling performance data.

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One-Rep Max Calculator

Estimate your one-rep max from submaximal lifts using multiple formulas.

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Plate Loading Calculator

Calculate which plates to load on a barbell for a target weight.

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Running Pace Calculator

Calculate pace, distance, or time for running workouts.

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Cycling Speed / Power Calculator

Estimate cycling speed from power or power needed for a target speed.

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Swimming Pace Calculator

Calculate swimming pace per 100m, split times, and total time.

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Steps to Distance Converter

Convert step count to distance based on stride length.

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Calories Burned Estimator

Estimate calories burned by activity type, duration, and body weight.

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Pregnancy Due Date Calculator

Estimate due date from last menstrual period or conception date.

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Ovulation Calculator

Estimate ovulation date and fertile window from cycle data.

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Baby Growth Percentile Calculator

Plot baby weight and length against WHO growth percentile charts.

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Sleep Cycle Calculator

Calculate optimal bedtime or wake time based on 90-minute sleep cycles.

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BAC Estimator

Estimate Blood Alcohol Content based on drinks, weight, and time.

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Medication Dosage Calculator

Calculate weight-based medication dosage for common formulations.

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IV Drip Rate Calculator

Calculate IV drip rate in drops/min or mL/hr from volume and time.

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Visual Acuity Chart Generator

Generate a Snellen eye chart for visual acuity screening.

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Color Vision Test

Ishihara-style color vision test with pseudoisochromatic plates.

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Workout Rep / Set Logger

Log workout exercises, sets, and reps with localStorage persistence.

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Intermittent Fasting Timer

Track fasting windows with countdown timer and fasting history.

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