Which BMR formula is used?

The calculator uses the Mifflin-St Jeor formula, widely recognized in clinical nutrition as the most accurate standard.

Does it support both metric and imperial measurements?

Yes, switch seamlessly between kg/cm and lbs/feet/inches.

Calculators & Counters

Calculate Body Mass Index (BMI), Basal Metabolic Rate (BMR via Mifflin-St Jeor), and Total Daily Energy Expenditure (TDEE).

100% Private Body Metric Engine

Biological Sex

Age (Years)

Weight (kg)

Height (cm)

Daily Activity Level (for TDEE calculation)

Body Mass Index (BMI)22.9Normal weight (18.5 - 24.9)

BMR (Basal Metabolic Rate)1659 kcalResting baseline energy

TDEE (Daily Maintenance)2281 kcalMaintenance expenditure

Underweight (<18.5)Normal (18.5-24.9)Overweight (25-29.9)Obese (30+)

Feature	SearchZee (BMI, BMR & Caloric Expenditure Calculator)	Typical Online Tools
Sign-up required	✓ None — use it immediately	Account or email required
Usage limits	✓ Unlimited, no daily caps	Free-tier caps & paywalls
Cost	✓ Free, no paid tier	Freemium upsells
Ads	✓ No ads, no sponsored results	Ad-supported
Speed	⚡ Instant — runs in your browser	Upload, queue, wait