What is 20% of 10? 2 20% of 10 Copy 20% of 10 = 2. Formula UsedResult = (20 ÷ 100) × 10 = 2 Frequently Asked Questions What is 20% of 10?2. (20 ÷ 100) × 10 = 2.How to calculate 20%?Multiply by 0.2 (or multiply by 20 then divide by 100).