What is 1,000 grams to kg?
Type a value in either box, and the answer shows it in the other unit as you type.
- Kilograms (kg)
- 1
1,000 g = 1 kg.
Kilograms (kg): 1. 1,000 g = 1 kg.
Kilograms (kg) by grams (g)
How to calculate
Converts grams (g) to kilograms (kg) and back, with the exact unit definitions.
Example with the default inputs (Grams (g) 1,000): 1,000 g = 1 kg.
Formula: kg = g × 0.001
- 1 gram = 0.001 kilograms, from the exact definitions in NIST SP 811.
- Exact on the typed decimals: at most 6 decimal places (6 significant digits below 0.0001), rounded half up.
Worked examples
Each example is checked against the calculator on every build.
- Grams (g) 1 gives Kilograms (kg) 0.001.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Grams (g) 500 gives Kilograms (kg) 0.5.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Kilograms (kg) 0.5 gives Grams (g) 500.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
Other questions people ask
What is 1,000 grams in kg?
1,000 g is 1 kg. The formula is kg = g × 0.001.
How many kilograms are in a gram?
1 gram is 0.001 kilograms, from the exact unit definitions (NIST SP 811).
How do I convert grams to kg?
Multiply by 0.001: kg = g × 0.001. For example, 1,000 g × 0.001 = 1 kg.
How do I convert kg back to grams?
Multiply by 1,000, or type the kilograms into the second box and the converter works it out. 1 kilogram is 1,000 grams.