2/9 as a Decimal 0.22222222 2/9 = 0.22222222 = 22.222222% Copy 2/9 = 0.22222222 = 22.222222%. Formula Used2 ÷ 9 = 0.22222222 Frequently Asked Questions What is 2/9 as a decimal?0.22222222.What is 2/9 as a percentage?22.222222%.