All tools / Unit Converter40 feet to inches40 feet = 480 inchesFormula1 feet = 12 inches, so 40 × 12 = 480Need another value? Use the full Unit ConverterOther feet → inches conversions1 feet → inches2 feet → inches3 feet → inches4 feet → inches5 feet → inches6 feet → inchesReverse conversion40 inches → feetRelated conversions1 km → miles1 miles → km1 cm → inches1 inches → cm1 cm → feet1 feet → cm