All tools / Unit Converter4 kg to grams4 kg = 4,000 gramsFormula1 kg = 1,000 grams, so 4 × 1,000 = 4,000Need another value? Use the full Unit ConverterOther kg → grams conversions1 kg → grams2 kg → grams3 kg → grams5 kg → grams6 kg → grams7 kg → gramsRelated conversions1 kg → pounds1 pounds → kg1 grams → ounces1 ounces → grams1 tonnes → kg1 pounds → ounces