Weight / Mass Converter
Convert between milligrams, grams, kilograms, metric tons, ounces, pounds, stone, US tons, and UK tons. Perfect for cooking, fitness, shipping, and science.
1 Milligram (mg) = 0.001 Gram (g)
1 Milligram (mg) in all units
| Unit | Value |
|---|---|
| Milligram (mg)input | 1 |
| Gram (g) | 0.001 |
| Kilogram (kg) | 0.000001 |
| Metric Ton (t) | 1.000000e-9 |
| Ounce (oz) | 0.00003527399072 |
| Pound (lb) | 0.00000220462442 |
| Stone (st) | 1.574731e-7 |
| US Ton | 1.102311e-9 |
| UK Ton | 9.842035e-10 |
How to Use the Weight / Mass Converter
- 1
Select the unit you want to convert FROM (e.g. pounds).
- 2
Enter the numeric value in the input field.
- 3
Select the unit you want to convert TO (e.g. kilograms).
- 4
The result appears instantly.
- 5
Use the ⇄ swap button to reverse the conversion.
- 6
See the value in all units in the table below.
Weight / Mass Conversion Formulas
1 pound (lb) = 453.592 g = 0.453592 kg
1 ounce (oz) = 28.3495 g
1 stone = 6.35029 kg = 14 lb
1 metric ton = 1,000 kg
1 US ton = 907.185 kg
1 UK ton = 1,016.05 kgFrequently Asked Questions
How many grams in a pound?
1 pound = 453.592 grams. So 2.2046 pounds ≈ 1 kilogram.
What is the difference between mass and weight?
Mass is the amount of matter in an object (kg, g). Weight is the gravitational force on that mass (Newtons). In everyday use they are used interchangeably.
How many pounds in a stone?
1 stone = 14 pounds = 6.35029 kg. Stone is commonly used in the UK and Ireland for body weight.
What is the difference between a US ton and a metric ton?
A US (short) ton = 2,000 lb = 907.185 kg. A metric ton (tonne) = 1,000 kg = 2,204.62 lb. A UK (long) ton = 2,240 lb = 1,016.05 kg.