Health & Fitness
23 free tools
Body Measurements
- BMI CalculatorCheck your Body Mass Index in seconds
- Body Fat CalculatorBody fat percentage with a tape measure
- Body Surface Area CalculatorBSA in m² by Mosteller, Du Bois and more
- Body Type CalculatorFind your body shape from four measurements
- Bra Size CalculatorYour band and cup size in India, UK, US and EU sizes
- Ideal Weight CalculatorYour ideal body weight by height, four ways
- Lean Body Mass CalculatorYour fat-free mass from height and weight
Diet & Nutrition
- BMR CalculatorCalories your body burns at rest
- Calorie & TDEE CalculatorYour daily calories (TDEE) for any weight goal
- Macro CalculatorDaily protein, carbs and fat in grams
- Protein CalculatorHow much protein you need each day
- TDEE CalculatorTotal daily energy expenditure: calories you burn a day
- Water Intake CalculatorHow much water to drink a day for your weight and activity
Fitness
- Calories Burned CalculatorCalories burned walking, running, yoga and more
- One Rep Max CalculatorEstimate your 1RM from any set
- Pace CalculatorRunning pace, finish time or distance
- Sleep CalculatorWhen to go to bed or wake up, by sleep cycles
- Target Heart Rate CalculatorYour heart rate zones for exercise
Pregnancy
Guides
All guides- HealthBMI for Indians: Why the Healthy Range Is LowerIndian vs global BMI cut-offs, a healthy-weight chart by height, and why your waist size matters as much as the scale.5 min read · Updated 10 October 2026
- HealthHow Much Water Should You Drink a Day? By Weight, Exercise and WeatherThe 35 ml per kg rule, a chart by weight, what counts as water, and how to tell you're drinking enough.4 min read · Updated 10 October 2026
- PregnancyHow Is a Pregnancy Due Date Calculated? Naegele's Rule ExplainedLMP + 280 days, the doctors' shortcut, adjusting for your cycle length and IVF, and a timeline of scans and trimesters.5 min read · Updated 10 October 2026
- PregnancyWhen Do You Ovulate? How to Find Your Fertile WindowCount back 14 days from your next period, a fertile-window chart by cycle length, and the body signs that confirm ovulation.5 min read · Updated 10 October 2026
- HealthHow Many Calories Should I Eat to Lose Weight?BMR, maintenance calories and a safe deficit, worked through step by step, plus why weight loss slows and easy Indian food swaps.6 min read · Updated 10 October 2026