Grams to Kilograms

Convert g to kg instantly — with a table, common amounts, and a live calculator.

1 g equals 0.001 kg.

Updated Open the Unit Converter →

Convert any amount

Result (kg)0.001 kg

g to kg table

gkg
0.25 g0.00025 kg
0.5 g0.0005 kg
0.75 g0.00075 kg
1 g0.001 kg
1.5 g0.0015 kg
2 g0.002 kg
2.5 g0.0025 kg
3 g0.003 kg
4 g0.004 kg
5 g0.005 kg
6 g0.006 kg
7 g0.007 kg
7.5 g0.0075 kg
8 g0.008 kg
10 g0.01 kg
12 g0.012 kg
15 g0.015 kg
20 g0.02 kg
25 g0.025 kg
50 g0.05 kg
75 g0.075 kg
100 g0.1 kg

kg to g (reverse)

kgg
0.25 kg250 g
0.5 kg500 g
0.75 kg750 g
1 kg1000 g
1.5 kg1500 g
2 kg2000 g
2.5 kg2500 g
3 kg3000 g
4 kg4000 g
5 kg5000 g
6 kg6000 g
7 kg7000 g
7.5 kg7500 g
8 kg8000 g
10 kg10000 g
12 kg12000 g
15 kg15000 g
20 kg20000 g
25 kg25000 g
50 kg50000 g
75 kg75000 g
100 kg100000 g

Common amounts

gkg
1/8 g0.000125 kg
1/4 g0.00025 kg
1/3 g0.000333 kg
1/2 g0.0005 kg
2/3 g0.000667 kg
3/4 g0.00075 kg
1 g0.001 kg
1 1/4 g0.00125 kg
1 1/2 g0.0015 kg
1 3/4 g0.00175 kg
2 g0.002 kg
2 1/2 g0.0025 kg

How it scales

000001234g

1 kilogram in other units

1000g35.3oz2.2lb0.2st

The ratio at a glance

1 g0 kg

Imperial and metric weight units

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. The international avoirdupois pound is defined as exactly 453.59237 grams.

Mass-to-mass conversions are exact and rest on fixed factors — for more unit pairs, use our weight conversion hub.

Related conversions

Where weight conversions are used

Weight (mass) conversions show up in cooking, shipping, fitness, and travel — anywhere recipes, luggage limits, or body weight are quoted in pounds, ounces, kilograms, or grams.

  • One pound is defined as exactly 0.45359237 kg, so the kilogram ↔ pound factor never changes.
  • Strictly, kilograms measure mass and pounds-force measure weight, but in everyday use the two are converted directly.
  • A metric tonne is 1,000 kg; a US (short) ton is about 907 kg and a UK (long) ton about 1,016 kg.

Frequently asked questions

How many kg are in a g?

1 g equals 0.001 kg.

How many kg are in 2 g?

2 g equal 0.002 kg.

How do I convert g to kg?

Divide the number of g by 1000 to get kg.

Is the g-to-kg conversion exact?

Yes. Mass-to-mass conversions are exact; the values here are only rounded to two decimal places.

Why are there imperial and metric weight units?

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. All conversions rest on fixed, exact factors.

Convert any unit

The unit converter handles length, volume, weight, and more.

Open Unit Converter →