Weight and Mass conversion

Convert Pound to Kilogram

1 pound (lb) equals 0.45359237 kilogram (kg). Enter any value below to convert from lb to kg.

Enter a value and choose units. Results update instantly.

1 lb = 0.45359237 kg

All Mass units

From 1 lb
UnitValue
Kilogram kg 0.45359237
Gram g 453.59237
Milligram mg 453,592.3700000001
Metric ton t 0.0004535924
Pound lb 1
Ounce oz 16
Stone st 0.0714285714
US short ton short ton 0.0005
Imperial long ton long ton 0.0004464286
Carat ct 2,267.96185
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Formula

lb to kg conversion formula

Use this relationship for a direct conversion:

kg = lb x 0.45359237

Worked example

2 lb = 0.90718474 kg.

International avoirdupois and metric mass definitions are exact; displayed results are rounded only for readability.

Quick reference

Pound to Kilogram table

Pound (lb)Kilogram (kg)
0.010.0045359237
0.10.045359237
10.45359237
20.90718474
52.26796185
104.5359237
2511.33980925
5022.6796185
10045.359237
1,000453.59237

From unit

About the pound

Exactly 0.45359237 kilogram.

Symbol: lb

To unit

About the kilogram

The SI base unit of mass.

Symbol: kg

Keep converting

Related conversions

Kilogram to PoundReverse this conversion Pound to Gramlb to gPound to Milligramlb to mgPound to Metric tonlb to tPound to Ouncelb to ozPound to Stonelb to stPound to US short tonlb to short ton

Source

Conversion standard

Definitions are checked against NIST SP 811: Units outside the SI. Calculations use full internal precision before display rounding.

View the complete weight and mass converter

Questions

lb to kg FAQ

How do you convert pound to kilogram?

Use the formula kg = lb x 0.45359237. 1 pound (lb) equals 0.45359237 kilogram (kg).

Is the lb to kg conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.