Discount & Sales Tax Calculator
Calculate discounts, sales tax and final prices instantly with sliders, stacked discounts and tax-inclusive options.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
Quantity, extra discount & included tax
Successive discounts multiply: 10% + 10% saves 19%, not 20%. Calculations apply to the basket subtotal, with each adjustment rounded to two decimals.
- Original · 1 item(s)
- INR 1,000.00
- Discounts
- − INR 200.00
- Subtotal before tax
- INR 800.00
- Tax added
- INR 0.00
Currency is a label, not an exchange rate. Tax is applied after discounts unless included in the price. Actual receipts may differ because of local tax rules, exemptions, shipping and item-level rounding.
How to use Discount & Sales Tax Calculator
- Choose discount, sales tax or combined mode.
- Set the original price and rates with sliders or precise numeric fields.
- Optionally change quantity, second discount or tax-inclusive pricing; read or copy the breakdown.
Useful things to know
Estimates with two-decimal half-up rounding at each basket adjustment. Successive discounts multiply rather than add. Taxes apply after discounts or are extracted from an inclusive price. Currency is a label. Local exemptions, shipping and item-level rounding can change actual receipts.