Weight Calculator
Convert weight between different units.
Weight Input
Weight Conversion
Pounds
150.00 lbs
Kilograms
68.04 kg
Ounces
2400.00 oz
Grams
68038.80 g
Stone
10.71 stone
Original:
150 pounds
About This Calculator
The Weight Calculator converts weight measurements between different units including pounds, kilograms, ounces, grams, and stone. While mass and weight are technically different (weight depends on gravity), they are often used interchangeably in everyday contexts.
Enter a weight value and select the unit, and the calculator will automatically convert it to all other supported units. This is useful for converting body weight, cooking measurements, and general weight conversions between metric and imperial systems.
Formula & Calculation Method
Weight Conversions:
Common Conversions:
1 pound = 0.453592 kg
1 pound = 16 ounces
1 pound = 453.592 grams
1 pound = 0.0714286 stone
1 kilogram = 2.20462 pounds
1 kilogram = 35.274 ounces
1 stone = 14 pounds
1 ounce = 0.0625 pounds
Weight conversions use standard conversion factors. The calculator converts from the selected unit to pounds first (as a common reference), then converts to all other units for easy comparison.
How to Use This Calculator
- Enter Weight Value: Input the weight value you want to convert.
- Select Unit: Choose the unit of the input value (pounds, kilograms, ounces, grams, stone).
- View Results: See the weight converted to all other supported units.
- Use Results: Use the converted values for body weight tracking, cooking, or other purposes.
Frequently Asked Questions
What is the difference between mass and weight?
Mass is the amount of matter in an object and is constant. Weight is the force of gravity acting on an object and varies with location. On Earth, we often use them interchangeably, but mass is measured in kg and weight in newtons (N).
How do I convert pounds to kilograms?
Multiply pounds by 0.453592 to get kilograms. For example, 150 lbs = 68.0389 kg. Or divide kilograms by 0.453592 to get pounds.
What is a stone?
A stone is a unit of weight used primarily in the UK and Ireland. One stone equals 14 pounds or approximately 6.35 kilograms. It's commonly used for measuring body weight.
What units are supported?
The calculator supports: pounds, kilograms, ounces, grams, and stone. All conversions use standard conversion factors and are accurate for practical use.
Calculator by
NumCalculators Editorial Team
Multi-disciplinary Expert Team