FREE TOOLS · SIMPLE RESULTS

Everyday calculations, made simple.

Calculate percentages, discounts, profit margins, GPA and savings in seconds. Free tools designed for students, shoppers and everyday use.

Our calculators

Enter your values and select Calculate.

5 calculators

Percentage Calculator

Find a percentage of a number or calculate the percentage change between two values.

Example: 15% of 200 = 30.

Discount Calculator

Work out the amount saved and the final price after a discount.

Enter a value between 0 and 100.
Example: A 20% discount on 2,500 saves 500; you pay 2,000.

Profit Margin Calculator

Compare cost and selling price to calculate profit, profit margin and markup.

Example: Cost 600, selling price 1,000 = profit 400, margin 40%, markup 66.67%.

GPA Calculator

Calculate a credit-weighted GPA for up to ten courses using your institution's grade-point values.

Enter grade points, not letter grades. Use your institution's official scale. Example: A = 4.0 on a 4-point scale.