Convert Grams to KG (g to kg)

Convert grams to kg instantly. 1 g = 0.001 kg. Free grams-to-kg converter with table and formula.

Convert grams to kilograms instantly with this free online converter. One gram equals 0.001 kilograms (1 g = 0.001 kg). Type any value and the converted result appears immediately — no signup, and everything runs privately in your browser.

Grams are the standard unit for nutrition labels and recipe ingredients in most of the world. The kilogram is the SI base unit of mass, redefined in 2019 in terms of the Planck constant. This conversion is used constantly for weight and mass measurements in cooking, fitness, shipping, and science.

Weight Converter
All Conversions
Kilograms (kg)0.001
Grams (g)1
Milligrams (mg)1,000
Pounds (lb)0.002205
Ounces (oz)0.035274
Metric Tons (t)1.000000e-6

Conversion formula

kilograms = grams × 0.001

Conversion table

ValueConverted
1 g0.001 kg
2 g0.002 kg
5 g0.005 kg
10 g0.01 kg
25 g0.025 kg
50 g0.05 kg
100 g0.1 kg

Frequently Asked Questions

How many kilograms are in a gram?

1 g = 0.001 kg. So 10 grams equal 0.01 kilograms.

How do you convert grams to kilograms manually?

Multiply the number of grams by 0.001: kilograms = grams × 0.001. For example, 10 g × 0.001 = 0.01 kg.

Is the grams to kg conversion exact?

Yes — both units have exact definitions, so the conversion itself is exact. The factor 0.001 shown here is rounded for readability; the converter computes with full precision.

Is this grams to kg converter free and private?

Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.