
Discount calculator
Calculate the price after a discount and the amount saved.
Your inputs stay in your browser.
Method and assumptions
Method version 1.0.0 · Updated
Apply a discount
Formula: Saving = price × rate / 100; sale price = price − saving
One discount from 0 to 100%. The original price is rounded to the chosen precision, then the saving; the sale price is their difference. Example: 100 at 20% off → 80, saving 20. Successive discounts are not automatically added.
- price
- Original price
- rate
- Discount (%)
- precision
- Money decimal places
All amounts use the same currency, without conversion. Choose 0, 2 or 3 decimal places for your needs. Rounded to nearest, ties up.