52/64 as a Decimal 0.8125 52/64 = 0.8125 = 81.25% Copy 52/64 = 0.8125 = 81.25%. Simplified: 13/16. Formula Used52 ÷ 64 = 0.8125 Frequently Asked Questions What is 52/64 as a decimal?0.8125.What is 52/64 as a percentage?81.25%.