4/16 as a Decimal 0.25 4/16 = 0.25 = 25% Copy 4/16 = 0.25 = 25%. Simplified: 1/4. Formula Used4 ÷ 16 = 0.25 Frequently Asked Questions What is 4/16 as a decimal?0.25.What is 4/16 as a percentage?25%.