Weight Converter
Convert weight and mass between grams, kilograms, tonnes, ounces, pounds and stones.
Weight Converter
Convert weight and mass between grams, kilograms, tonnes, ounces, pounds and stones.
How to use the Weight Converter
- Enter the value.
- Select source and target units.
- Click Calculate.
Formula
Result = Value / SourceFactor × TargetFactor
Example
150 lb to kg: 150 × 0.45359237 = 68.04 kg.
Step-by-step calculation
- Convert to base (kg): 150 × 0.45359237 = 68.039 kg.
- Result: 68.04 kg.
Real-world uses
- International shipping weights.
- Body weight tracking.
- Cooking measurements.
Common mistakes
- Confusing mass and weight (they differ under gravity).
- Using outdated conversion factors.
- Confusing stones with pounds (1 stone = 14 lb).
Frequently asked questions
What is a stone?
1 stone = 14 pounds = 6.35 kg. Commonly used in the UK for body weight.
What is the difference between mass and weight?
Mass is the amount of matter. Weight depends on gravity. This converter uses standard gravity.
Which units are supported?
mg, g, kg, tonnes, ounces, pounds, stones.