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Kilograms to Grams Converter

Convert kilograms to grams instantly, with a reference table for recipes, nutrition labels and postage.

KG to Grams Converter

1 kg = 1,000 g

Multiply kilograms by 1,000 to get grams.

The link carries the values you entered, so whoever opens it sees the same result. Nothing is stored on our side — the numbers travel in the link itself.

Kilograms to grams reference table

The conversions people look up most often, rounded to 2 decimal places.

Common kilograms to grams conversions
Kilogram (kg)Gram (g)
0.001 kg1 g
0.01 kg10 g
0.1 kg100 g
0.25 kg250 g
0.5 kg500 g
0.75 kg750 g
1 kg1,000 g
1.5 kg1,500 g
2 kg2,000 g
5 kg5,000 g
10 kg10,000 g
50 kg50,000 g
100 kg100,000 g

The kilograms people look up most

0.5 kg = 500 g
The standard bag of pasta, sugar or coffee across most of Europe.
1 kg = 1,000 g
The mass of a litre of water at room temperature, which is where the unit came from.
2.5 kg = 2,500 g
A common flour sack, and roughly a newborn at the low end of healthy.
5 kg = 5,000 g
A bag of rice or potatoes - about the heaviest most people lift one-handed without thinking.
70 kg = 70,000 g
A common adult body weight, in the unit dosing charts and nutrition labels actually use.

How the kg to grams calculation works

A kilogram is 1,000 grams:

grams = kilograms × 1000

Like every metric step, it is a decimal point moved three places — which makes this the conversion where the only real risk is moving it the wrong number of places.

One quirk worth knowing: the kilogram is the only SI base unit whose name carries a prefix. The gram is the derived unit here, not the other way round. Until 2019 the kilogram was defined by a physical cylinder of platinum-iridium kept near Paris; it is now defined by fixing the Planck constant, so it no longer depends on an object that could gain or lose atoms.

Where the conversion is routine:

  • Recipes. European recipes give flour in grams and larger quantities in kilograms. 0.5 kg of flour is 500 g, roughly four cups.
  • Nutrition labels. Everything on a label is per 100 g, so a 1.5 kg pack is 15 servings of the stated figures.
  • Postage. Royal Mail and most European carriers price in gram bands up to 2 kg, then switch to kilogram bands. A parcel at 1.95 kg is 1,950 g, still inside the small-parcel band; at 2.05 kg it moves into the next price tier entirely.
  • Gym and medicine. Weight plates are in kilograms; drug doses are in milligrams. A dose of 5 mg per kg for an 80 kg adult is 400 mg — the conversion chain runs kg → mg through a factor of a million, so an order-of-magnitude slip here is dangerous rather than merely wrong.

To convert back, divide grams by 1,000.

Frequently asked questions

Why do recipes outside the US weigh ingredients?

Because weight is reproducible and volume is not. A cup of flour varies by up to a fifth depending on whether it was scooped or spooned, while 120 g is 120 g every time. It is also quicker: most ingredients go into one bowl on a scale, with nothing to wash between them.

How precise does a kitchen scale need to be?

One gram is enough for almost everything. Baking needs that precision for yeast and salt in small quantities, and a scale that rounds to five grams will quietly ruin a loaf. Above about 50 g the precision stops mattering, which is why a cheap scale feels perfectly adequate until you start baking.

Is a kilogram of feathers the same as a kilogram of lead?

In mass, yes, and the riddle only works because of volume. There is one genuine technical wrinkle: weighed in air, the feathers displace more of it, so buoyancy makes them read slightly light. Correct for that and the feathers actually have marginally more mass. For any practical purpose they are identical.

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Further reading