32/64 as a Decimal 0.5 32/64 = 0.5 = 50% Copy 32/64 = 0.5 = 50%. Simplified: 1/2. Formula Used32 ÷ 64 = 0.5 Frequently Asked Questions What is 32/64 as a decimal?0.5.What is 32/64 as a percentage?50%.