Weight Converter
Convert weight across metric and imperial systems accurately. Support for grams, kilograms, ounces, pounds, and stones.
Result
- Gram (g)
- 0 g
- Kilogram (kg)
- 0 kg
- Ounce (oz)
- 0 oz
- Pound (lb)
- 0 lb
- Stone (st)
- 0 stone
Formula & Guide
Conversion Formulas
M
Metric to Imperial
Imperial = Metric × Conversion Factor
Multiply metric value by conversion factor
I
Imperial to Metric
Metric = Imperial ÷ Conversion Factor
Divide imperial value by conversion factor
Formula Variables
1 g
Gram
= 0.035274 ounces = 0.001 kilograms
1 kg
Kilogram
= 2.20462 pounds = 1000 grams
1 oz
Ounce
= 28.3495 grams = 0.0625 pounds
1 lb
Pound
= 16 ounces = 0.453592 kilograms
1 stone
Stone
= 14 pounds = 6.35029 kilograms
Step-by-Step Scenario
Example Scenario
Value
5 kg
Target Unit
pounds
1
Identify Conversion Factor
- 1 kilogram = 2.20462 pounds
2
Apply Conversion Formula
- Pounds = Kilograms × 2.20462
- Pounds = 5 × 2.20462
Additional Examples
Grams to Ounces
Input: 500 g
Result
500 × 0.035274 = 17.637 ounces
Pounds to Kilograms
Input: 10 lbs
Result
10 × 0.453592 = 4.53592 kg
Characteristics of Weight Conversion
Precise Factors
All conversions use exact conversion factors. For example, 1 pound = exactly 0.453592 kg, ensuring accurate results.
Multiple Units
Supports all common weight units: metric (g, kg) and imperial (oz, lb, stone) for comprehensive conversion.
Instant Results
Real-time conversion as you type. All units are calculated simultaneously for easy comparison.
Bidirectional
Convert from any unit to any other unit. No need to convert to a base unit first - direct conversions available.
Important Notes
- Conversion factors are exact and standardized. 1 pound = exactly 0.453592 kg by international agreement.
- For practical measurements, round results to 2-4 decimal places. The calculator shows up to 4 decimals for precision.
- Metric system is base-10, making conversions easier. Imperial system uses various conversion factors.
- When converting body weight, kilograms and pounds are most common. Stones are primarily used in the UK.
- For cooking and recipes, grams and ounces are most practical for precise measurements.
Frequently Asked Questions
Find answers to common questions about weight conversion.
Multiply kilograms by 2.20462 to get pounds. For example, 10 kg = 10 × 2.20462 = 22.0462 pounds. Or use the conversion factor: 1 kg = 2.20462 lbs.
Divide pounds by 2.20462 to get kilograms. For example, 20 lbs = 20 ÷ 2.20462 = 9.07185 kg. Or multiply by 0.453592 since 1 pound = 0.453592 kg.
Mass is the amount of matter in an object (measured in kg, g). Weight is the force of gravity on that mass (measured in lbs, oz). On Earth, weight and mass are often used interchangeably, but they differ in physics.
Our converter uses precise conversion factors. For example, 1 pound = exactly 0.453592 kg, 1 ounce = exactly 28.3495 grams. Results are accurate to 4 decimal places for precision.
Yes, our converter supports all common weight units: grams, kilograms, metric tons (metric) and ounces, pounds, stones (imperial). Simply select your unit and enter the value.
A stone is a British imperial unit equal to 14 pounds or approximately 6.35029 kilograms. It's commonly used in the UK and Ireland for body weight.