Convert grams to kg

Enter the number of grams that you want to convert to kilograms.

1 g (grams) = 0.001 kg (kilograms)

How to Convert Grams to Kilograms

The gram and kilogram are both units of weight. By definition, 1 kilogram equals exactly 1000 grams. This means to convert grams to kilograms, you divide by 1000.

Formula

kilograms = grams ÷ 1000

Step-by-Step Example

Convert 5 g to kilograms:

1
Convert 5 g to kilograms

We need to convert grams to kilograms

2
Apply the formula

Since 1 kg = 1000 g, divide by 1000

5 ÷ 1000 = 0.005

Answer

5 g = 0.005 kg

Gram to Kilogram Conversion Table

Quick reference table for common gram to kilogram conversions. Click any value for detailed calculation.

Grams (g) Kilograms (kg)
0.1 g 0.0001 kg
0.5 g 0.0005 kg
1 g 0.001 kg
2 g 0.002 kg
5 g 0.005 kg
10 g 0.01 kg
25 g 0.025 kg
50 g 0.05 kg
100 g 0.1 kg

About These Units

Gram (g)

A gram (g) is a metric unit of mass equal to 1/1000 kilogram or approximately 0.035 ounces. Grams are the standard unit for food nutrition labels, cooking recipes, jewelry weight, and postal rates. One gram of water equals one milliliter in volume.

Kilogram (kg)

The kilogram (kg) is the base unit of mass in the International System of Units (SI), used worldwide for measuring weight. One kilogram equals 1,000 grams or approximately 2.205 pounds. Kilograms measure body weight, food packaging, luggage limits, and scientific applications.

Frequently Asked Questions

How do I convert grams to kilograms?

To convert grams to kilograms, divide the value by 1000. For example, 10 g = 0.01 kg.

How many kilograms are in 1 gram?

1 gram equals 0.001 kilograms.

What is the formula for grams to kilograms?

The formula is: kg = g ÷ 1000.