Weight Converter
weight converter
Instant conversion. Swap anytime.
Metric and imperial mass units for fitness, shipping, and cooking.
Converted value
2.204623lb
Calculated from your value and units at 6-decimal precision.
Common pairs
Live conversionExact basis: 1 lb = 0.45359237 kg by definition (1 oz = 1/16 lb). Commas and scientific notation are supported (for example 1,234.5 or 1e-3).
Conversion updates automatically as you change value, units, or precision.
Advanced options
Batch conversion
Convert multiple values only when you need them, without crowding the main workflow.
Examples
Conversion details
Formula and exact relation
- 1 kg = 2.204622621849 lb
- 1 lb = 0.45359237 kg
Formula form: lb = kg × 2.204622621849. Display rounding follows your selected precision and does not change base conversion math.
Context outputs
Metric equivalents
1,000 g • 1 kg
Imperial equivalents
35.273962 oz • 2.204623 lb
Quick table (kg → lb)
| kg | lb |
|---|---|
| 0.5 | 1.102311 |
| 1 | 2.204623 |
| 2 | 4.409245 |
| 5 | 11.023113 |
| 10 | 22.046226 |
| 25 | 55.115566 |
| 50 | 110.231131 |
| 100 | 220.462262 |
Formula
Converted value = Input value x (From unit to base) / (To unit to base) Symbol legend
| Symbol | Meaning | Unit | Copy |
|---|---|---|---|
\text{Input} | Numeric value entered by user | from unit | |
k_{\text{from}} | Scale factor from source unit to kilogram | kg / from unit | |
k_{\text{to}} | Scale factor from target unit to kilogram | kg / to unit | |
\text{Converted} | Converted output value | to unit |
- The base unit for this converter is kilogram (kg).
- Each input value is transformed into kg first.
- The kg value is then converted to your selected output unit.
Example
Worked example: 1 kg to lb
- 1 Input = 1 kg
- 2 1 kg = 2.2046226218 lb
- 3 Result = 2.2046226218 lb
1 kg equals about 2.20462 lb.
How
- Enter the value to convert (decimal, comma-formatted, or scientific notation).
- Choose From and To units or use pair presets/swap for reverse direction quickly.
- Review the live result, formula relation, and context cards, then copy result/report if needed.
Avoid
- Treating mass and force as interchangeable in advanced physics contexts.
- Mixing milligrams and grams without noticing the 1,000x factor.
- Assuming rounded display values are exact when chaining multiple conversions.
Table
| Conversion | Result |
|---|---|
| 1 kg to lb | 2.20462 lb |
| 1 lb to kg | 0.453592 kg |
| 1000 g to kg | 1 kg |
| 1 oz to g | 28.3495 g |
| 1 g to oz | 0.035274 oz |
FAQ
Is this a mass converter or weight converter?
For everyday usage it behaves as both, converting common mass/weight units directly.
Can I convert mg to kg?
Yes, mg, g, kg, oz, and lb are all included in this tool.
Does this support reverse conversion and copy actions?
Yes. Use pair presets or swap to reverse direction, and copy either the result value or detailed report.
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