All tools / Unit Converter15 knots to kmh15 knots = 27.78 kmhFormula1 knots = 1.852 kmh, so 15 × 1.852 = 27.78Need another value? Use the full Unit ConverterOther knots → kmh conversions1 knots → kmh2 knots → kmh3 knots → kmh5 knots → kmh10 knots → kmh20 knots → kmhRelated conversions1 kmh → mph1 mph → kmh1 mps → kmh