Weight Converter
Convert weight between kg, g, lb, oz, and stone. Supports both metric and imperial systems. Input never leaves your device — everything runs locally in your browser.
How to Use the Weight Converter
Similar Tools You Might Need
See allTime Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Input never leaves your device — everything runs locally in your browser.
Unit Converter
Convert between hundreds of units — length, mass, volume, temperature, area, speed, time, digital data, and more with a single click.
Unix Time Converter
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats. Milliseconds, seconds, and ISO 8601 convert both directions with timezone clarity — local math, free, no signup.
BMI Calculator
Computes Body Mass Index from metric or imperial height and weight inputs, categorizing the result into underweight, normal, overweight, and obese, with a healthy weight range for your height. Health data never leaves your device — every calculation runs locally in your browser.
BMI Calculator for Kids
Compute children's BMI from height and weight with metric/imperial inputs and a healthy-range readout for growth tracking. See where a 10-year-old sits — free, local, informational only.
Frequently Asked Questions
How many pounds are in a kilogram?
1 kilogram = 2.20462 pounds. The converter uses this factor for all weight calculations.
What weighs about 1 kilogram?
A bag of sugar, a liter of water, or a small pineapple all weigh approximately 1 kg (2.2 lb).
How many ounces are in a pound?
1 pound = 16 ounces exactly. This is the standard avoirdupois weight system used in the US and UK.
What is a stone in weight?
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.
When using Weight Converter, does this converter work offline?
Yes. All conversions run locally in your browser. No data is uploaded or stored.
Related Utility Tools
Volume Converter
Convert volume between liters, mL, gallons, quarts, fl oz, and cups. Handy for cooking, science, and travel. Input never leaves your device — everything runs locally in your browser.
Unit Converter
Convert between hundreds of units — length, mass, volume, temperature, area, speed, time, digital data, and more with a single click.
Last updated October 2026