Discount Calculator – Sale Price, Savings & % Off
Use this Discount Calculator to quickly find sale price, savings, and percent off. You can also apply optional tax after discount and see clear step-by-step working.
Choose Mode & Enter Values
Pick a mode, then fill the fields below.Result
Results are rounded to 2 decimals (you can change this in the script).
Formulas Used
- Sale Price: Original × (1 − %Off/100)
- Savings: Original − Sale
- % Off: (Original − Sale) ÷ Original × 100
- Original: Sale ÷ (1 − %Off/100)
- With-Tax: Sale × (1 + Tax/100)
Quick Questions
Can I apply tax after discount?
Yes. Enter Tax% and the tool applies it on the discounted sale price, which matches how most shops bill.
Why is my answer slightly different from the shop bill?
We round to 2 decimals for clarity. Some invoices use different rounding rules, so small differences can happen.
Can this Discount Calculator work for coupons and promo codes?
Yes. Treat the coupon or promo value as the discount percentage and use the same calculation steps.
Where Can You Use This Discount Calculator?
You can use this Discount Calculator whenever you need to check sale price, savings, or percent off. It helps shoppers and business owners quickly understand real discounts and final payable amounts.
Online Shopping & Flash Sales
Compare discounts shown on different websites, check if the offer is truly good, and see how much you really save on each product.
Retail Shop & POS Billing
Set sale prices during festivals or clearance sales, calculate savings for customers, and keep billing consistent at the counter.
Small Business Offers & Packages
Plan limited-time offers, combo packs, and special discounts while still keeping profit margins under control.
Wholesale & Bulk Purchase Discounts
Check how much you save on bulk orders, compare supplier discounts, and decide which rate is better for your business.
Festival & Seasonal Sale Planning
Plan Diwali, New Year, or end-of-season sales by testing different discount percentages and seeing the final selling price instantly.
Personal Budget & Saving Goals
Track how much money you save each month from offers, and use the Discount Calculator to decide if you should buy now or wait.
Discount Calculator – FAQ
It uses the original price, discount percentage, tax (optional), or sale price to quickly show your sale price, savings, and final payable amount.
Yes. The Discount Calculator shows your exact savings in currency and also the percentage off based on original and sale price.
Yes. Enter the original price and the sale price, and the tool calculates the % off automatically for you.
The calculator applies tax after discount, which matches most real shop billing. You can set tax to 0% if you don’t want to include tax.
Yes. You can use it for ecommerce offers, retail shop sales, festival discounts, clearance sales, and any place where a discount is applied.
Yes. All fields accept decimal values. You can use any currency symbol; the percentage math stays the same for every currency.

