What is 80% of 10? 8 80% of 10 Copy 80% of 10 = 8. Formula UsedResult = (80 ÷ 100) × 10 = 8 Frequently Asked Questions What is 80% of 10?8. (80 ÷ 100) × 10 = 8.How to calculate 80%?Multiply by 0.8 (or multiply by 80 then divide by 100).