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Grams to Kilograms

Convert grams (g) to kilograms (kg) — instant and accurate

1 g = 0.001 kg  ·  To convert grams to kilograms, multiply by 0.001.

0.001 kg

Grams to Kilograms Conversion Table

GramsKilograms
1 g0.001 kg
2 g0.002 kg
3 g0.003 kg
4 g0.004 kg
5 g0.005 kg
6 g0.006 kg
7 g0.007 kg
8 g0.008 kg
9 g0.009 kg
10 g0.01 kg
15 g0.015 kg
20 g0.02 kg
25 g0.025 kg
30 g0.03 kg
40 g0.04 kg
50 g0.05 kg
75 g0.075 kg
100 g0.1 kg
250 g0.25 kg
500 g0.5 kg
1000 g1 kg

Formula

kilograms = grams × 0.001
grams = kilograms × 1000
Example: 5 g × 0.001 = 0.005 kg

About the Grams-to-Kilograms Conversion

Converting grams to kilograms is one of the simplest conversions within the metric system — divide by 1,000. 500 g is half a kilogram; 250 g is a quarter-kilogram.

Real-World Examples

  • 1000 g (one kilogram) = 1 kg
  • 500 g (half-kilo) = 0.5 kg
  • 250 g (quarter-kilo) = 0.25 kg
  • 100 g (100 grams) = 0.1 kg

Kilograms to Grams (Reverse)

KilogramsGrams
1 kg1000 g
2 kg2000 g
3 kg3000 g
4 kg4000 g
5 kg5000 g
6 kg6000 g
7 kg7000 g
8 kg8000 g
9 kg9000 g
10 kg10000 g
15 kg15000 g
20 kg20000 g
25 kg25000 g
30 kg30000 g
40 kg40000 g
50 kg50000 g
75 kg75000 g
100 kg100000 g
250 kg250000 g
500 kg500000 g
1000 kg1000000 g

Frequently Asked Questions

How many kilograms are in a gram?

1 gram equals 0.001 kilograms.

How do I convert grams to kilograms?

Multiply the value in grams by 0.001 to get kilograms. For example, 5 g × 0.001 = 0.005 kg.

How do I convert kilograms back to grams?

Multiply the value in kilograms by 1000 to get grams. Equivalently, divide by 0.001.

How many grams are in a kilogram?

1 kilogram equals 1000 grams.

How many kilograms is 1000 g?

1000 g (one kilogram) equals 1 kg.

Is the grams-to-kilograms conversion exact?

Yes. 1 g = 0.001 kg is an exact value defined by international agreement.

About Grams and Kilograms

The gram (symbol g) equals one thousandth of a kilogram. Originally defined as the mass of 1 cubic centimetre of water at 4 °C, it is the most common everyday metric mass unit.

The kilogram (symbol kg) is the SI base unit of mass. Since 2019 it has been defined by the Planck constant rather than by a physical reference cylinder.

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