💪 Health Tools — Global

Free Health Calculators

40+ precision tools for Fitness, Nutrition, Pregnancy & Lifestyle. 100% private — your data never leaves your device.

40+Calculators
3Languages
0Databases
∞Free Forever

Reach Your Fitness Goals Faster

Top-rated workout plans, fitness apps & gear — curated for real results

Explore Fitness →
⚖️

BMI Calculator

Calculate your Body Mass Index and discover your healthy weight range

Your BMI
—
Link Copied!
🔥

Calorie Calculator

Calculate your daily calorie needs based on activity level

Daily Calories (TDEE)
—
Link Copied!
📏

Body Fat Calculator

Estimate your body fat percentage using body measurements (Navy method)

Body Fat %
—
Link Copied!
🧬

BMR Calculator

Your Basal Metabolic Rate — calories burned at complete rest

Your BMR
—
Link Copied!
⚡

TDEE Calculator

Total Daily Energy Expenditure — your true calorie burn with exercise

Your TDEE
—
Link Copied!
🎯

Ideal Weight Calculator

Find your ideal weight range based on height using multiple formulas

Ideal Weight Range
—
Link Copied!
💪

Lean Body Mass Calculator

Calculate your fat-free body mass — muscles, bones & organs

Lean Body Mass
—
Link Copied!
💧

Water Intake Calculator

Calculate your optimal daily water intake based on weight & activity

Daily Water Intake
—
Link Copied!
📐

Waist-to-Hip Ratio Calculator

Assess your cardiovascular & health risk based on waist/hip measurements

Waist-to-Hip Ratio
—
Link Copied!
🥩

Protein Intake Calculator

Calculate your optimal daily protein intake for your goal

Daily Protein
—
Link Copied!

Best Nutrition Apps & Meal Plans

Track macros, plan meals & hit your calorie goals — top diet tools on Amazon

Shop Nutrition →
📉

Calorie Deficit Calculator

Calculate the calorie deficit needed to reach your weight loss goal

Daily Calorie Deficit
—
Link Copied!
🥑

Macro Calculator

Find your optimal protein, carbs & fat split based on your goal

Your Macros
—
Link Copied!
🥓

Keto Calculator

Get your exact keto macros — fat, protein & net carbs per day

Keto Macros
—
Link Copied!
📊

Weight Loss Calculator

Estimate how long it will take to reach your target weight

Estimated Time
—
Link Copied!
⏳

Intermittent Fasting Calculator

Plan your eating & fasting window based on your IF protocol

Eating Window
—
Link Copied!
💪

Weight Gain Calculator

Find the calorie surplus needed to build muscle mass effectively

Daily Calorie Surplus
—
Link Copied!
🧬

Peptide Calculator

Calculate peptide dose & reconstitution volume based on your weight and vial concentration

Injection Volume
—
Link Copied!

Pregnancy & Baby Essentials

Top-rated pregnancy books, trackers & baby gear — fast delivery

Shop Now →
👶

Pregnancy Due Date Calculator

Calculate your estimated due date from your last menstrual period (LMP)

Estimated Due Date
—
Link Copied!
🌸

Ovulation Calculator

Find your ovulation date and most fertile days in your cycle

Ovulation Date
—
Link Copied!
📅

Pregnancy Week Calculator

Find out how many weeks pregnant you are today

Pregnancy Week
—
Link Copied!
🛡️

Safe Days Calculator

Calculate safe and unsafe days in your menstrual cycle (informational only)

Safe Days
—
Link Copied!
✨

Conception Calculator

Estimate your conception date from your known due date

Estimated Conception Date
—
Link Copied!
⚖️

Pregnancy Weight Gain Calculator

Find the recommended weight gain range for your pregnancy

Recommended Weight Gain
—
Link Copied!
🗓️

Gestational Age Calculator

Calculate gestational age in weeks and days from a specific date

Gestational Age
—
Link Copied!

Wellness & Lifestyle Guides

Sleep trackers, hydration bottles & wellness books — top deals

Browse Wellness →
❤️

Heart Rate Calculator

Calculate your max heart rate and training zones by age

Target Training Zone
—
Link Copied!
😴

Sleep Calculator

Find the best bedtime or wake-up time based on 90-min sleep cycles

Optimal Sleep Times
—
Link Copied!
🌙

Sleep Cycle Calculator

Calculate how many complete 90-min sleep cycles you'll get tonight

Sleep Cycles
—
Link Copied!
🏃

Calories Burned Calculator

Estimate calories burned during any exercise activity

Calories Burned
—
Link Copied!
👣

Steps to Calories Calculator

Convert your daily step count into calories burned

Calories Burned
—
Link Copied!
🍺

Blood Alcohol Calculator

Estimate BAC level for awareness — never drink and drive (informational only)

Estimated BAC
—
Link Copied!