Free Percentage Calculator

How to Use the Percentage Calculator

1. Step 1: Select the calculation type: percentage of a number, percentage increase, or percentage decrease.
2. Step 2: Enter the base value and the percentage in the input fields.
3. Step 3: The result appears instantly along with the step-by-step calculation breakdown.
4. Step 4: Use the quick presets for common scenarios like 10%, 15%, 20% tips or discounts.

Why Use Our Percentage Calculator?

• Multiple Calculations: Find percentages, calculate increases/decreases, and determine what percent one number is of another.
• Step-by-Step Breakdown: See exactly how the calculation works — great for learning.
• Quick Presets: Common percentages (5%, 10%, 15%, 20%, 25%, 50%) available with one click.
• Real-World Ready: Perfect for shopping discounts, restaurant tips, salary increases, and tax calculations.
• Free & Instant: No loading, no signup. Get answers immediately in your browser.

About Our Percentage Calculator

Percentages are everywhere in daily life — from calculating discounts while shopping to figuring out tips at restaurants, understanding salary raises, and analyzing data changes. Our percentage calculator handles three essential calculation types: finding a percentage of a number (What is 20% of 350?), calculating percentage increase (Your salary went from $3000 to $3500 — what percent increase is that?), and calculating percentage decrease. Each result includes a step-by-step breakdown showing exactly how the math works, making it an educational tool as well as a practical calculator.

Frequently Asked Questions