13/16 as a Decimal 0.8125 13/16 = 0.8125 = 81.25% Copy 13/16 = 0.8125 = 81.25%. Formula Used13 ÷ 16 = 0.8125 Frequently Asked Questions What is 13/16 as a decimal?0.8125.What is 13/16 as a percentage?81.25%.