Quick access: 📊BMI 🔥Calories 📉Deficit 🎛️Macros 🩸Blood Pressure 🔬Diabetes Risk 📅Due Date 🌸Period 😴Sleep 🚭Smoking Cost 🧬Bio Age All 35 →
Free Health Tools

Your Health,
Calculated.

35 free health calculators for BMI, calories, pregnancy, macros, heart rate, diabetes risk and more — all with AI-powered personalised insights.

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BMI Calculator
Quick check — instant result
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Healthy range
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BMI Prime
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Full Results + AI Health Insight →
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All 35 Free Calculators
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⚖️ Body & Weight
📊
BMI Calculator
Body Mass Index with AI insight, healthy weight range, and visual gauge.
Most Popular
🫀
Body Fat %
US Navy circumference method.
🎯
Ideal Weight
5 clinical formulas for your height.
📏
Waist:Hip Ratio
Cardiovascular risk predictor.
💪
Lean Body Mass
Fat-free mass and muscle targets.
👶
Child BMI
Age-adjusted percentile for age 2–18.
🥗 Nutrition & Calories
🔥
Calorie Calculator
Daily needs by activity & goal.
Popular
⚡
BMR Calculator
Calories burned at rest.
📉
Calorie Deficit
Daily target & weight loss timeline.
Popular
🎛️
Macro Calculator
Protein, carbs & fat targets.
Popular
🥩
Protein Calculator
Daily protein needs by goal.
🍞
Carb Calculator
Daily carbohydrate intake.
🥑
Fat Intake
Saturated & unsaturated targets.
🏃
Calories Burned
50+ exercises using MET values.
💧
Water Intake
Daily hydration target.
🍷
Alcohol Calories
Hidden calories in drinks.
⏳
Intermittent Fasting
16:8, 18:6, OMAD eating windows.
Trending
💊
Supplement Doses
Creatine, caffeine, protein & more.
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🏋️ Fitness & Performance
💓
Target Heart Rate
Training zones for fat burn & cardio.
⏱️
Pace Calculator
Running pace, speed & finish time.
🏋️
1RM Calculator
One rep max & training percentages.
🫁
VO₂ Max
Cardiorespiratory fitness estimator.
🩺 Medical & Clinical
🩸
Blood Pressure
Hypertension stage & risk level.
High value
🔬
Diabetes Risk
FINDRISC 10-year risk score.
High value
❤️
Cholesterol
HDL, LDL & cardiovascular risk.
🤰 Pregnancy & Women's Health
📅
Due Date Calculator
EDD from LMP or conception date.
Popular
🤱
Pregnancy Stage
How far along + weekly milestones.
🌸
Period Calculator
Next 3 periods & fertile windows.
🌱
Conception Calculator
Fertile window & ovulation date.
⚖️
Pregnancy Weight
Recommended weight gain by BMI.
🧪
IVF Due Date
3-day & 5-day transfer due dates.
🧠 Wellness & Lifestyle
😴
Sleep Calculator
Best bedtime by 90-min cycles.
Popular
🧬
Biological Age
Is your body younger than your years?
Shareable
🧘
Stress Calculator
Holmes-Rahe life stress inventory.
🚭
Smoking Cost
Money spent + health recovery timeline.
High value
View All 35 Calculators with Descriptions →
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