Free Online Tool
BMI Calculator
Enter height and weight to calculate body mass index quickly.
How to Use
- Enter height in cm.
- Enter weight in kg.
- Review BMI and reference range.
Examples
- BMI for 170cm and 65kg
- Compare weight changes over time
Calculation and Conversion Notes
BMI is calculated as `weight(kg) / height(m)^2`. The result is for reference only and does not replace medical diagnosis or health assessment.
Related Tools
Age Calculator
Calculate age from birth date and base date.
Unit Converter
Convert units across 12 categories: length, mass, temperature, area, volume, speed, time, data storage, pressure, energy, power, and angle.
Percentage Calculator
Calculate percentages, ratios, increases, and decreases.
Date Calculator
Calculate days between dates or dates before and after a base date.
2026 Korea Salary Take-Home Pay Calculator
Estimate monthly take-home pay in Korea using 2026 National Pension, Health Insurance, Long-term Care, Employment Insurance, income tax, and local income tax rules.
Loan Interest Calculator
Calculate monthly payment and total interest from loan amount, rate, and term.