Gram (g)
The gram (g) is one thousandth of a kilogram. It is the everyday unit for food portions, recipes and small items.
Symbol: g
Quantity: mass (commonly called weight)
SI relation: 1 g = 0.001 kg (exact)
Derivation: 1 g = 10⁻³ kg
Exact: yes, by definition
Typical uses
- Recipes and nutrition labels
- Jewellery and precious metals (with troy ounces)
- Laboratory weighing
Convert grams to other units
| Conversion | 1 g equals | Reverse |
|---|---|---|
| gram to kilogram | 0.001 kg | kilogram to gram |
| gram to milligram | 1000 mg | milligram to gram |
| gram to pound | 0.002204622622 lb | pound to gram |
| gram to ounce | 0.03527396195 oz | ounce to gram |
| gram to microgram | 1000000 µg | microgram to gram |
| gram to metric ton | 0.000001 t | metric ton to gram |
| gram to stone | 0.0001574730444 st | stone to gram |
| gram to short ton | 0.000001102311311 ton (US) | short ton to gram |
| gram to troy ounce | 0.03215074657 oz t | troy ounce to gram |
| gram to long ton | 9.842065276 × 10⁻⁷ ton (UK) | long ton to gram |
| gram to grain | 15.43235835 gr | grain to gram |
| gram to carat | 5 ct | carat to gram |
Open the Weight and Mass Converter to convert any value between all units.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Gram (g). Retrieved October 17, 2026, from https://scientificconverters.com/units/gram/
IEEE
Scientific Converters, "Gram (g)," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/units/gram/