Percentage Calculator
Calculate percentages, discounts, and increases with a visual slider and full step-by-step working shown. Free, instant, no sign-up.
Pick the question you're trying to answer.
%
20%
20% of 15030
- Step 1 — Convert percent to decimal20% = 20 ÷ 100 = 0.2
- Step 2 — Multiply by the base0.2 × 150 = 30