Percentage Calculator
Perform various percentage calculations
The Percentage Calculator is an all-in-one online tool that handles every common percent operation in a single interface. Whether you need to find what percent one number is of another, calculate percentage increase or decrease, add tax to a price, or figure out a discount, this calculator delivers instant, accurate results. No formulas to memorize โ just pick a calculation type, enter your numbers, and get the answer right away.
๐ How to Use
- Select the calculation type you need
- Enter the numeric values
- Click the Calculate button
- Result is displayed automatically
โจ Features
- โCalculate A% of B
- โCalculate what % A is of B
- โPercentage change calculation
- โAdd/subtract percentages
- โMultiple calculation types
๐ก Use Cases
- โขMarketer: Quickly compute click-through rates, conversion rates, and other KPI percentages from raw campaign data.
- โขSmall Business Owner: Determine profit margins by calculating the percentage markup on cost of goods.
- โขStudent: Convert exam scores to percentages and track grade improvements over time.
- โขAccountant: Calculate tax-inclusive and tax-exclusive amounts for invoices and financial reports.
- โขInvestor: Evaluate portfolio performance by computing return on investment and loss percentages.
- โขShopper: Instantly figure out the actual savings and final price during sales and promotions.
๐ฏ Tips
- โธUse the "% Change" tab to compare year-over-year revenue by entering last year and this year values.
- โธCalculate VAT-inclusive pricing with the "A + B%" tab by adding the tax rate to the base price.
- โธReverse-engineer unknown percentages using the "A is what % of B" tab for quick ratio analysis.
- โธFor stacked discounts, calculate each discount sequentially rather than adding the percentages together.
- โธBookmark this tool for quick access during budgeting or financial planning sessions.
โ FAQ
Q. How do I calculate a 30% discount?
A. Select 'A - B%' type, enter the original price for A and 30 for B.
Q. How do I calculate year-over-year growth?
A. Select '% Change' type, enter last year's value for A and this year's for B.
Q. What is the difference between percent change and percentage points?
A. Percent change measures relative change from the original value, while percentage points measure the arithmetic difference between two percentages. For example, going from 20% to 25% is a 5 percentage-point increase but a 25% relative increase.
Q. Can I enter decimal numbers?
A. Yes, you can enter any decimal value. For example, 7.5% or 3.14 will be calculated accurately.
Q. How do I calculate successive discounts like 30% then 20%?
A. Successive discounts are not additive. Apply 30% first, then 20% to the reduced amount. For example, $100 with 30% + 20% successive discounts equals $100 x 0.7 x 0.8 = $56, not $50.
Q. Does it support negative numbers?
A. Yes, negative values are fully supported. This is useful for calculating decreases, losses, or reductions where the change is negative.