METRONMETHOD. REASON. LEARN.
Interactive tool

Percentage and discount calculator

Explore the saving and remaining price as you change an original price or discount.

Your experiment

Change any value to update the result. Use the stated units.

What the numbers tell us

Enable JavaScript to calculate with your own values.

Why it works

saving = price × rate / 100; final = price − saving

Assumptions and limits

One discount applied once. Prices are displayed to the nearest cent; rounding happens after calculation.

Try a small challenge

What is the final price of $80 after 25% off?
A little hint

You pay 75% of the original.

Understand the idea: Discounts →