3 grams to kilograms

3 grams = 0.003 kilograms

Rounded to a practical precision: 0 kg.

grams

kilograms

How the calculation works

One gram is 0.001 kilograms, so:

3 g × 0.001 = 0.003 kg

Reversing it, 0.003 kilograms ÷ 0.001 returns 3 grams.

Nearby values

Grams	Kilograms
1 g	0.001 kg
1.5 g	0.0015 kg
2 g	0.002 kg
2.5 g	0.0025 kg
3 g	0.003 kg
3.5 g	0.0035 kg
4 g	0.004 kg
4.5 g	0.0045 kg
5 g	0.005 kg

About these units

Gram (g) — A gram is one thousandth of a kilogram and is the everyday unit for food and small quantities.

Kilogram (kg) — The kilogram is the SI base unit of mass, defined since 2019 in terms of the Planck constant.

Frequently asked questions

How many kilograms is 3 grams?

3 grams is 0.003 kilograms.

How do I convert grams to kilograms myself?

Multiply by 0.001. To go back, divide by 0.001 — or multiply by 1000.

Is this figure exact?

The conversion factor between the gram and the kilogram is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full grams to kilograms converter · All weight converters