34/100 as a Decimal 0.34 34/100 = 0.34 = 34% Copy 34/100 = 0.34 = 34%. Simplified: 17/50. Formula Used34 ÷ 100 = 0.34 Frequently Asked Questions What is 34/100 as a decimal?0.34.What is 34/100 as a percentage?34%.