23/64 as a Decimal 0.359375 23/64 = 0.359375 = 35.9375% Copy 23/64 = 0.359375 = 35.9375%. Formula Used23 ÷ 64 = 0.359375 Frequently Asked Questions What is 23/64 as a decimal?0.359375.What is 23/64 as a percentage?35.9375%.