Metric Ton
t
Kilogram
kg
Gram
g
Milligram
mg
Pound
lb
Ounce
oz
Stone
st
Carat
ct
Click any field to use it as your input — all other units update instantly.
Weight Converter
Convert between kilograms, pounds, ounces, grams, stones and more. Instant metric and imperial weight conversion.
How to convert weight and mass online for free
- Type any weight or mass value into one of the input fields above (no signup needed)
- All other units update instantly — kilograms, pounds, ounces, stone, grams, and more
- Click any result field to copy the value to your clipboard
Why use our Weight Converter?
Weight conversions come up constantly — airline luggage limits in kilograms for travellers used to pounds, food recipes listing grams when you think in ounces, or body weight in stone when the rest of the world uses kilograms.
Our converter displays all common weight units simultaneously, so you can find the format you need at a glance without re-entering values. The result updates live as you type.
Everything runs in your browser. No account, no ads on the tool, completely free.
Frequently asked questions
- How do I convert kilograms to pounds?
- Multiply the kilogram value by 2.20462. For example, 70 kg × 2.20462 = 154.32 lbs. Type in the kg field above and the pound result updates instantly.
- How many ounces are in a pound?
- There are exactly 16 ounces in one pound. One ounce equals 28.3495 grams, and one pound equals 453.592 grams.
- What is a stone in kilograms?
- One stone equals exactly 14 pounds, or 6.35029 kilograms. Stone is primarily used in the UK and Ireland to measure body weight.
- How do I convert grams to ounces?
- Divide the gram value by 28.3495. For example, 100 g ÷ 28.3495 = 3.527 oz. Or multiply by 0.035274.
- What is the difference between a US ton and a metric ton?
- A metric ton (tonne) is 1,000 kg or 2,204.62 lbs. A US short ton is 2,000 lbs (907.185 kg). A UK long ton is 2,240 lbs (1,016.05 kg). This converter uses the metric ton.
- How many milligrams are in a gram?
- There are exactly 1,000 milligrams in one gram. Milligrams are commonly used for medication dosages and nutritional labels.