What is 6% of 30? 1.8 6% of 30 Copy 6% of 30 = 1.8. Formula UsedResult = (6 ÷ 100) × 30 = 1.8 Frequently Asked Questions What is 6% of 30?1.8. (6 ÷ 100) × 30 = 1.8.How to calculate 6%?Multiply by 0.06 (or multiply by 6 then divide by 100).