Discount & Tax Calculator
Calculate savings, discounted subtotal, estimated tax, and final total. Enter an original price, discount, tax rate, and optional fees. This calculator applies the discount before tax; rules can vary, so the checkout total is final.
Use the tool
Enter your values, then run it. The result is generated in your browser.
Result
Calculated
How to use Discount & Tax Calculator
- Enter the original price.
- Enter discount and sales tax percentages.
- Add fees if applicable and compare with the seller’s checkout total.
Formula and assumptions
Savings = original price × discount rate. Tax = discounted subtotal × tax rate. Optional fees are added after tax in this estimate.
Tax and coupon rules vary by jurisdiction and retailer. This tool is not tax advice.
Frequently asked questions
Is tax always after discounts?
No; rules differ. This tool uses discount-first as a simple estimate.
Does it include shipping?
Only when entered in the fee field.
Can I calculate multiple products?
Combine prices only when the same tax and discount rules apply.
About this tool
Enter an original price, discount, tax rate, and optional fees. This calculator applies the discount before tax; rules can vary, so the checkout total is final.
No account is required. The tool runs in this browser and this starter build has no form-submission backend. See the method and assumptions before relying on estimates.