I have 3 kg of flour for a recipe but my scale only shows grams — how much is that?

3 kg = 3000 g. Most kitchen scales have a gram mode, so simply weigh out 3000 g.

What's the difference between a kilogram and a gram in everyday terms?

A kilogram is roughly the weight of a liter of water. A gram is about the weight of a paperclip. So 1 kg = 1000 g means roughly 1000 paperclips equal one liter of water's weight.

Why does the metric system use 1000 as the base for mass conversions?

The SI prefix kilo means a factor of 1000. Therefore 1 kilogram equals 1000 grams; moving the decimal point three places performs this particular conversion.

A package weighs 750 g — how many kilograms is that?

750 g = 0.75 kg. Since 1000 g = 1 kg, you divide by 1000 (or move the decimal three places left). For smaller units, see [grams to ounces]({/weight/grams-to-ounces/}).

Kilograms (kg) to Grams (g) Converter

Enter a value to instantly convert between weight units.

From

Precision4 dp

1 Kilogram = 1000 Gram

Key Formulas

Kilogram → Pound

lb = kg × 2.20462

Pound → Kilogram

kg = lb × 0.453592

Gram → Ounce

oz = g × 0.035274

Ounce → Gram

g = oz × 28.3495

Formula

g = kg × 1000

Kilograms are convenient for parcels and bulk ingredients, while labels, recipes, and bench scales often use grams. The SI prefix kilo means 1000, so converting kilograms to grams moves the decimal point three places to the right.

Source: NIST SP 811, Appendix B.9

Reviewed by the Convert Calc editorial team · Last reviewed: 2026-08-01 · see our methodology

Frequently Asked Questions

Real-World Examples

A recipe for bread calls for 2 kg of flour — a commercial bakery needs to measure that in grams on an industrial scale.

2 kg = 2000 g

A 0.5 kg ingredient package contains 500 grams, which is easier to compare with a recipe quantity.

0.5 kg = 500 g

A parcel carrier charges by the kilogram for shipments over 5 kg — a shipper checking the charge verifies 5 kg = 5000 g.

5 kg = 5000 g

A jeweler ordering precious metal measures 25 g increments — 0.025 kg is the same as 25 g.

0.025 kg = 25 g

kg to lbs lbs to kg grams to ounces ounces to grams stone to kg

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