Simple Percentage Calculator

Simple Percentage Calculator is a clean, fast tool for everyday percentage maths. Whether you're checking a sale price, comparing two numbers, or working out a tip, get the answer instantly as you type. FOUR CALCULATORS IN ONE APP • % Of – What is X% of Y? Also shows the number plus and minus that percentage. • What % – X is what percent of Y? Includes the decimal equivalent. • Change – Percentage increase or decrease between an old and a new value, with the difference. • Discount – Final price and amount saved after a percentage off, with one-tap shortcuts for 10%, 15%, 20%, 25%, 30% and 50%. DESIGNED TO BE SIMPLE • Instant results – no "equals" button needed • Clean Material 3 design with light and dark themes • Copy any result with one tap • Handles decimals (dot or comma) and negative values where they make sense • Clear messages for invalid cases, such as division by zero PRIVATE BY DESIGN • Works 100% offline • Requires NO permissions • No ads, no tracking, no accounts • Nothing you enter ever leaves your device Great for shopping, budgeting, school and work, grades, markups, price comparisons and quick sanity checks.