Formula
Convert grams to kilograms with:
kg = g / 1000
Example
500 g = 0.5 kg
grams to kilograms table
Questions
How many kilograms are in a gram?
One gram is 0.001 kilograms. Enter any value above to convert instantly.
What is the formula to convert grams to kilograms?
Use kg = g / 1000. The calculator applies this for every value you type.
Is this conversion exact?
Yes — it uses the standard conversion factor (kg = g / 1000), rounded to 6 significant digits for display.