How to use the discount and sales tax calculator
Find the final price after a percentage discount and sales tax. Enter original price, discount, sales tax rate in the fields above; the price after discount, final price with tax are computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “discount and tax calculator”, “final price after discount”, “sales tax on sale price”, “calculate discount and sales tax”, “find price after discount”.
Formula
Variables
- price — Original price ($)
- disc — Discount (%)
- tax — Sales tax rate (%)
Worked example
With original price = 80 $, discount = 25 %, sales tax rate = 8 %, the calculator gives price after discount ≈ 60 $; final price with tax ≈ 64.8 $.
Frequently asked questions
What is the discount and sales tax calculator used for?
Find the final price after a percentage discount and sales tax. It helps with questions such as “discount and tax calculator”, “final price after discount”, “sales tax on sale price”.
What is the formula for the discount and sales tax calculation?
Price after discount ($) = price × (1-disc / 100). Final price with tax ($) = [Price after discount] × (1+tax / 100). Here price is original price ($), disc is discount (%), tax is sales tax rate (%).
What inputs do I need for the discount and sales tax calculator?
You need original price in $, discount in %, sales tax rate in %. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the discount and sales tax calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the discount and sales tax result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.