What is 3% of 50? 1.5 3% of 50 Copy 3% of 50 = 1.5. Formula UsedResult = (3 ÷ 100) × 50 = 1.5 Frequently Asked Questions What is 3% of 50?1.5. (3 ÷ 100) × 50 = 1.5.How to calculate 3%?Multiply by 0.03 (or multiply by 3 then divide by 100).