Gram (g)
A gram is one thousandth of a kilogram — the everyday metric unit for small masses and recipe ingredients.
Grams appear on nutrition labels, jewelry scales, laboratory balances, and European cooking measurements.
Gram to Kilogram
Convert gram to kilogram instantly. Type in either field — results update live.
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Weight & Mass Gram Kilogram
1 gram = 0.001 kilograms
Unit
Unit
Conversion table
Selected g values converted to kg using the exact factor from this tool.
| g | kg |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1,000 | 1 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 g = 0.001 kg
1 kg = 1000 g
To convert gram to kilogram, multiply by 0.001.
To convert kilogram to gram, multiply by 1000.
Example: convert 15 g to kg
15 × 0.001 = 0.015 kg
About these units
Short background on the units used in this conversion.
Kilogram (kg)
The kilogram is the SI base unit of mass, defined by fixing the numerical value of the Planck constant.
Kilograms are used worldwide for body weight, food packaging, shipping labels, and science wherever the metric system is standard.
Frequently asked questions
How many kilograms are in one gram?
One gram equals 0.001 kilograms. Multiply your grams value by 0.001 to convert to kilograms.
What is the conversion formula?
kg = g × 0.001The reverse is
g = kg × 1,000, using the same exact factors as this converter.Is this Gram to Kilogram converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All gram conversions
Jump to any weight & mass conversion starting from gram — including the reverse direction and every other unit in our dataset.
kilogram (kg) → gram (g)
gram (g) → milligram (mg)gram (g) → microgram (µg)gram (g) → centigram (cg)gram (g) → decigram (dg)gram (g) → dekagram (dag)gram (g) → hectogram (hg)gram (g) → metric ton (tonne) (t)gram (g) → picogram (pg)gram (g) → nanogram (ng)gram (g) → femtogram (fg)gram (g) → attogram (ag)gram (g) → megagram (Mg)gram (g) → gigagram (Gg)gram (g) → teragram (Tg)gram (g) → petagram (Pg)gram (g) → exagram (Eg)gram (g) → pound (lb)gram (g) → ounce (oz)gram (g) → stone (st)gram (g) → short ton (us) (ton)gram (g) → long ton (uk) (long ton)gram (g) → hundredweight (us) (cwt)gram (g) → hundredweight (uk) (cwt-UK)gram (g) → quarter (us) (qr)gram (g) → dram (avoirdupois) (dr)gram (g) → grain (gr)gram (g) → sluggram (g) → troy ounce (oz t)gram (g) → dram (apothecary) (dr ap)gram (g) → troy pound (lb t)gram (g) → pennyweight (dwt)gram (g) → carat (ct)gram (g) → atomic mass unit (u)gram (g) → planck mass (mₚ)gram (g) → electron mass (mₑ)gram (g) → proton mass (mₚ⁺)gram (g) → neutron mass (mₙ)gram (g) → solar mass (M☉)gram (g) → earth mass (M⊕)gram (g) → quintal (q)gram (g) → mommegram (g) → cattygram (g) → piculgram (g) → arrobagram (g) → macegram (g) → baht (gold)gram (g) → talent (biblical)gram (g) → minagram (g) → shekel