Weight Converter
Convert weight between pounds, kilograms, ounces, grams, stone, us short tons, metric tonnes, drams.
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What this tool does
Convert weight between pounds, kilograms, ounces, grams, stone, us short tons, metric tonnes, drams. Tons here means US short tons (2,000 lb); metric tonnes (1,000 kg) and UK long tons (2,240 lb) are different units — tonnes are listed separately. Dram means the avoirdupois dram, 1/16 ounce.
How to use the Weight Converter
- Enter or select value.
- Enter or select from unit.
- Enter or select to unit.
- Read the calculated result; change any measurement to compare alternatives.
Formula
result = value × from.factor / to.factor; factors: lbs=0.45359237; kg=1; oz=0.028349523125; grams=0.001; stone=6.35029318; tons=907.18474; tonnes=1000; drams=0.0017718451953125
- value
- Value
- from
- From unit
- to
- To unit
Tons here means US short tons (2,000 lb); metric tonnes (1,000 kg) and UK long tons (2,240 lb) are different units — tonnes are listed separately. Dram means the avoirdupois dram, 1/16 ounce.
Worked example
For weight converter, the following measurements illustrate the exact method: Value: 1; From unit: lbs; To unit: kg.
Inputs
- Value1
- From unitPounds
- To unitKilograms
Result
- Converted Kilograms0.45
Weight conversion factors
| Unit | Factor to common base |
|---|---|
| Pounds | 0.45359237 |
| Kilograms | 1 |
| Ounces | 0.028349523125 |
| Grams | 0.001 |
| Stone | 6.35029318 |
| US short tons | 907.18474 |
| Metric tonnes | 1000 |
| Drams | 0.0017718451953125 |
Results explained
- Converted Kilograms
- Converted Kilograms from the formula above. Tons here means US short tons (2,000 lb); metric tonnes (1,000 kg) and UK long tons (2,240 lb) are different units — tonnes are listed separately. Dram means the avoirdupois dram, 1/16 ounce.
Frequently asked questions
Select the source and target units. The Swap control exchanges them, retaining the equivalent converted value.
Tons here means US short tons (2,000 lb); metric tonnes (1,000 kg) and UK long tons (2,240 lb) are different units — tonnes are listed separately. Dram means the avoirdupois dram, 1/16 ounce. The formula and reference table list all supported definitions.
Only units of the same physical quantity are convertible. The selected group's definitions are fixed and do not depend on location.
The formulas use JavaScript double precision. Display rounding can hide trailing digits, but factors are not rounded before computation.
Yes. A zero amount converts to zero in every unit in this group.