What is 50% of 10? 5 50% of 10 Copy 50% of 10 = 5. Formula UsedResult = (50 ÷ 100) × 10 = 5 Frequently Asked Questions What is 50% of 10?5. (50 ÷ 100) × 10 = 5.How to calculate 50%?Multiply by 0.5 (or multiply by 50 then divide by 100).