36/64 as a Decimal 0.5625 36/64 = 0.5625 = 56.25% Copy 36/64 = 0.5625 = 56.25%. Simplified: 9/16. Formula Used36 ÷ 64 = 0.5625 Frequently Asked Questions What is 36/64 as a decimal?0.5625.What is 36/64 as a percentage?56.25%.