kg to lb Converter — Kilograms to Pounds
Compare kilograms, pounds and supported mass units using fixed conversion factors. This is useful for reading a product mass or reconciling the display units of different scales.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
Numbers stay on your device. Nothing is sent to a server.
How to use this tool
Enter the mass and select its current unit. The pound is the avoirdupois mass unit; distinguish it from similarly named systems such as the troy ounce used for precious metals.
Results and examples
One pound equals exactly 0.45359237 kilograms, so ten pounds equal 4.5359237 kilograms. The displayed ending may be rounded to the tool’s allowed number of decimal places.
Limitations
- Pound-force and pound mass describe different physical quantities.
- Extra digits in a conversion do not improve the accuracy of the original scale.
Fields
| Field | Guidance and constraints |
|---|---|
| Value | Accepted range: -1000000000000–1000000000000 · Input step: 0.001 |
| From | Kilograms / Grams / Milligrams / Pounds (avdp) / Ounces (avdp) / Tonnes (metric) |
| To | Kilograms / Grams / Milligrams / Pounds (avdp) / Ounces (avdp) / Tonnes (metric) |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
How many kilograms are ten pounds?
One pound equals exactly 0.45359237 kilograms, so ten pounds equal 4.5359237 kilograms. The displayed ending may be rounded to the tool’s allowed number of decimal places.
Is pound-force the same unit?
Pound-force and pound mass describe different physical quantities. Extra digits in a conversion do not improve the accuracy of the original scale.
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