Converters
12
Pounds to Kilograms Converter
Convert pounds to kilograms instantly with the formula, worked examples, rounding guidance, and related mass conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Pound to Kilogram formula
Use this Pound to Kilogram page for direct mass conversions. The calculator keeps the exact lb to kg relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 lb = 0.45359237 kg
1 Pound equals
Quick factor: 1 lb = 0.45359237 kg.
The current calculator value is 1 lb, which equals 0.45359237 kg.
Use the conversion table to compare 1 lb with the other units in the same category.
For recipes, parcels, and scales, round the final result to match the precision of the original measurement.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between lb and kg. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsMass
Popular conversions
Kilograms to Pounds Converter
Popular conversions
Mass links
Conversion table
1 Pound equals
| Unit | Value |
|---|---|
| Kilogram kg | 0.45359237 |
| Gram g | 453.59237 |
| Milligram mg | 453592.37 |
| Metric ton t | 0.00045359237 |
| Ounce oz | 16 |
| Stone st | 0.0714285714286 |
FAQ
Pound to Kilogram questions
How do you convert Pound to Kilogram?
Use the formula 1 lb = 0.45359237 kg. As a quick check, 1 lb equals 0.45359237 kg.
Is the Pound to Kilogram conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.