Convert weight between kg, g, lb, oz, and stone. Supports both metric and imperial systems. Everything runs locally in your browser — nothing is uploaded.
Convert fuel economy between L/100km, MPG (US), MPG (UK), and km/L. Essential for comparing vehicle efficiency across metric and imperial systems.
Convert between US, UK, European, and Asian shoe size systems instantly. Includes men's, women's, and children's size charts.
Convert clothing sizes between US/Canada, UK, EU, Japan, and France sizing systems. Supports women's apparel size conversions with international standards.
Computes Body Mass Index from metric or imperial height and weight inputs, categorizing the result into underweight, normal, overweight. Everything runs locally in your browser — nothing is uploaded.
Calculate your ideal body weight using Devine and Robinson formulas. Provides a healthy weight range for your height and gender. Everything runs locally in your browser — nothing is uploaded.
1 kilogram = 2.20462 pounds. The converter uses this factor for all weight calculations.
A bag of sugar, a liter of water, or a small pineapple all weigh approximately 1 kg (2.2 lb).
1 pound = 16 ounces exactly. This is the standard avoirdupois weight system used in the US and UK.
A stone is a British unit equal to 14 pounds or approximately 6.35 kg. It is commonly used for body weight in the UK and Ireland.
Yes. All conversions run locally in your browser. No data is uploaded or stored.
Volume Converter
Convert volume between liters, mL, gallons, quarts, fl oz, and cups. Handy for cooking, science, and travel. Everything runs locally in your browser — nothing is uploaded.
Unit Converter
Convert between hundreds of units — length, mass, volume, temperature, area, speed, time, digital data, and more with a single click.