All tools / Unit Converter3 knots to kmh3 knots = 5.556 kmhFormula1 knots = 1.852 kmh, so 3 × 1.852 = 5.556Need another value? Use the full Unit ConverterOther knots → kmh conversions1 knots → kmh2 knots → kmh5 knots → kmh10 knots → kmh15 knots → kmh20 knots → kmhRelated conversions1 kmh → mph1 mph → kmh1 mps → kmh