Weight Converter
Convert between metric and imperial weight units, from milligrams to tons, in real time.
Conversions run instantly in your browser — nothing is uploaded or stored.
Convert Weight and Mass Units
This weight converter handles eight common mass units: milligrams, grams, kilograms, metric tons, ounces, pounds, stone, and US (short) tons. Type a number, choose your units, and see the equivalent weight calculated instantly.
It's handy for cooking and baking conversions, checking luggage or shipping weight limits, comparing body weight readings, or converting product specifications between regions.
Why Use This Converter
- Instant results as you type, no submit button required
- Calculations run locally in your browser, so nothing you type leaves the page
- Mobile-friendly layout that works on phones, tablets, and desktops
- No ads blocking the tool, no pop-ups interrupting your conversion
Frequently Asked Questions
How many pounds are in a kilogram?
One kilogram equals approximately 2.20462 pounds.
What is a stone in weight measurement?
A stone is a British imperial unit equal to 14 pounds, commonly used to state body weight in the UK and Ireland.
Is a US ton the same as a metric ton?
No. A US (short) ton is 907.18474 kg, while a metric ton is exactly 1,000 kg. The converter treats them as separate units.
Does this handle very small weights like milligrams?
Yes, milligrams are included, useful for precise measurements like medication dosages or lab work.
Is weight the same thing as mass?
Not technically. Mass is a fixed amount of matter, while weight is the force gravity exerts on that mass and can change with location, such as on the Moon. Everyday use treats them as interchangeable, and this converter works with the mass-based definitions of kilograms, pounds, and the rest.
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