Convert gram to kilogram

1 gram = 0.001 kilograms. Enter any value below for an exact conversion.

Value in grams

1 g =

0.001 kg

kilograms

Need the reverse? Convert kilogram to gram →

Formula

1 gram = 0.001 kilograms
kilogram = grams × 0.001
gram = kilograms × 1000

gram to kilogram conversion table

1 g0.001 kg

2 g0.002 kg

3 g0.003 kg

5 g0.005 kg

10 g0.01 kg

20 g0.02 kg

25 g0.025 kg

50 g0.05 kg

100 g0.1 kg

1000 g1 kg

About converting grams to kilograms

Grams to kilograms converts a fine weight — an ingredient, a parcel, a component — into the larger unit used for body weight, freight, and bulk quantities. Divide by 1,000.

Method & sources

Conversions use exact legal definitions rather than rounded approximations: 1 inch = 2.54 cm and 1 pound = 0.45359237 kg (fixed by the 1959 international yard and pound agreement), 1 mile = 1.609344 km, and 1 US liquid gallon = 3.785411784 litres. Temperatures convert with °F = °C × 9⁄5 + 32 and K = °C + 273.15. Results are rounded only for display.

Page last updated: October 1, 2026

Frequently asked questions

How many kilograms are in a gram?

One gram equals 0.001 kilograms. So 10 grams is 0.01 kilograms. Use the converter above for any value.

What is the formula to convert grams to kilograms?

1 gram = 0.001 kilograms kilogram = grams × 0.001 gram = kilograms × 1000

Is the gram-to-kilogram conversion exact?

Yes. The conversion factor between grams and kilograms is defined exactly, so results are precise — only rounded for display.

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