What is 5% of 50? 2.5 5% of 50 Copy 5% of 50 = 2.5. Formula UsedResult = (5 ÷ 100) × 50 = 2.5 Frequently Asked Questions What is 5% of 50?2.5. (5 ÷ 100) × 50 = 2.5.How to calculate 5%?Multiply by 0.05 (or multiply by 5 then divide by 100).