Convert grams to kg
1 g = 0.001 kg · 1 kg = 1000 g · Exact by definition
1 g = 0.001 kg
The same value in other units
- milligram
- 1000 mg
- tonne
- 1e-6 t
- ounce
- 0.035274 oz
- pound
- 0.00220462 lb
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
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Mass
grams to kg: conversion table
| gram | kilogram |
|---|---|
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 3 g | 0.003 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 20 g | 0.02 kg |
| 25 g | 0.025 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 250 g | 0.25 kg |
| 500 g | 0.5 kg |
| 1000 g | 1 kg |
| kilogram | gram |
|---|---|
| 1 kg | 1000 g |
| 2 kg | 2000 g |
| 3 kg | 3000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 20 kg | 20000 g |
| 25 kg | 25000 g |
| 50 kg | 50000 g |
| 100 kg | 100000 g |
| 250 kg | 250000 g |
| 500 kg | 500000 g |
| 1000 kg | 1000000 g |
How the conversion works
kg = g × 0.001
Both units are defined exactly, so the precision of the grams to kg result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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