Calculator + BMI + Unit Converter

Scientific

Try sin(30) • nCr(10,3) • 2π(3+4)

0

Functions

Enter eval • Backspace del • Esc clear

Input

Postfix: ! factorial • % percent

History

Click an item to reuse it

BMI & Weight

Height + weight → BMI and weight targets

Height unit

Weight unit

Height

Weight

Target BMI (optional)

BMI: —

Category: — Healthy range: —

Enter your height and weight. This is a screening metric, not a diagnosis.

Target weight: —

If you set a target BMI, this shows the weight you’d need for your height.

BMI categories (adults): Underweight < 18.5, Healthy 18.5–24.9, Overweight 25–29.9, Obesity ≥ 30.

Quick weight helpers

Based on your height

BMI 22 weight: —

A simple midpoint target (BMI 22). You can adjust with Target BMI above.

To reach healthy range: —

Shows how far you are from the 18.5–24.9 weight range.

If you’re athletic, pregnant, or still growing, BMI can mislead. If you want, I can add body fat %, waist/height, and BMR.

Unit converter

Length, mass, and time

Length

Base = meter

Value

From

To

Result

Mass

Base = kilogram

Value

From

To

Result

Time

Base = second

Value

From

To

Result

Note: “year” here is fixed at 365 days (for clean conversion).

Tip: you can type numbers normally (decimals allowed). The result updates as you change fields.

Common shortcuts

Examples

Length

km → mi, m → ft, cm → in

Mass

kg → lb, g → oz, lb → kg

Time

sec → min, min → hr, day → hr