All tools / Unit Converter3 kg to grams3 kg = 3,000 gramsFormula1 kg = 1,000 grams, so 3 × 1,000 = 3,000Need another value? Use the full Unit ConverterOther kg → grams conversions1 kg → grams2 kg → grams5 kg → grams10 kg → grams15 kg → grams20 kg → gramsRelated conversions1 kg → pounds1 pounds → kg1 grams → ounces1 ounces → grams1 tonnes → kg1 pounds → ounces