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Calculators

Kg to Grams Converter

Convert kilograms to grams and back — 1 kg = 1000 g.

Updated July 13, 2026

How to use the kg to grams converter

  1. 1Type a weight in kilograms.
  2. 2Read the grams instantly.
  3. 3Or type grams to convert back.
  4. 4Use the table for common values.

Common uses

  • Recipe and food weights
  • Scaling metric measurements
  • Science and homework
  • Reading a scale in grams

Frequently asked questions

How many grams in a kilogram?

Exactly 1,000 grams. So 2.5 kg is 2,500 grams, and 0.5 kg is 500 grams.

How do I convert kg to grams?

Multiply kilograms by 1,000. To convert grams to kilograms, divide by 1,000. Both are metric units, so the conversion is exact.

About this tool

The kg to grams converter changes kilograms to grams and back. One kilogram is exactly 1,000 grams, so you multiply by 1,000 (or divide to go back). Both are metric, so it's a clean factor of ten. Edit either box to convert both directions. Everything runs in your browser.

Like most tools on UtilityBase, the kg to grams converter runs entirely in your browser — nothing you enter is uploaded or stored on a server. It's free to use with no account required. Browse more calculators here.

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