Pounds to Kilograms
Convert pounds to kilograms instantly in your browser.
Tool workspace
Conversion runs in your browser. Values are not sent to our servers.
How it works
Enter a value in pounds. The tool multiplies by the exact international avoirdupois factor 1 pound = 0.45359237 kilograms (inverse of the kg→lb factor used by the kilograms-to-pounds tool).
Results update as you type (light debounce) or when you press Convert. Empty input clears the result—no error. Non-numeric input shows a validation message instead of a wrong number.
Displayed values keep up to 10 decimal places and drop trailing zeros so precision stays useful without looking over-rounded.
Results update as you type (light debounce) or when you press Convert. Empty input clears the result—no error. Non-numeric input shows a validation message instead of a wrong number.
Displayed values keep up to 10 decimal places and drop trailing zeros so precision stays useful without looking over-rounded.
Examples
- 1 lb → 0.45359237 kg
- 0 lb → 0 kg
- 2.2046226218 lb → 1 kg
Privacy
Privacy: this tool processes values locally in your browser. We do not log or store what you enter. Login is not required.
FAQ
Is my value uploaded to a server?
No. Conversion runs entirely in your browser. Values are not sent to Nova Engine.
Which pound definition do you use?
International avoirdupois: 1 pound = 0.45359237 kilograms exactly (CGPM 1959 / NIST). This is the everyday US/UK commercial pound, not troy weight.
Do I need an account?
No. All published tools work for guests without login.