About This Tool
Discount Calculator applies one or two sequential discounts and then optional sales tax. After discounts: P × (1−d1/100) × (1−d2/100); tax is applied to that discounted amount.
What You Can Do
Transparent method
After discounts: P × (1−d1/100) × (1−d2/100); tax is applied to that discounted amount.
Input-driven result
Discount Calculator uses original price, primary and additional discounts, sales-tax percentage.
Result interpretation
Final bill and savings before tax
How to Use
- 1
Enter original price, primary and additional discounts, sales-tax percentage in the Discount Calculator fields
Enter original price, primary and additional discounts, sales-tax percentage in the Discount Calculator fields.
- 2
Select the calculation mode or units offered by Discount Calculator, where applicable
Select the calculation mode or units offered by Discount Calculator, where applicable.
- 3
Choose Calculate in Discount Calculator
Choose Calculate in Discount Calculator and review the displayed result with its documented units or interpretation.
- 4
Change one original price value at a time when comparing Discount Calculator scenarios
Change one original price value at a time when comparing Discount Calculator scenarios.
Practical Use Cases
Discount Calculator scenario comparison
Compare how changes to original price, primary and additional discounts, sales-tax percentage affect the final bill and savings before tax.
Arithmetic check
Use Discount Calculator to reproduce the documented formula with values you can independently verify.
Privacy and File Processing
Discount Calculator keeps its Original price, Primary and additional discounts, or Sales-tax percentage input in browser memory while the operation runs. The workflow creates Final bill and savings before tax for local preview or download and does not send the entered values or selected file bytes to the GXA Toolbox application server.
Supported Inputs and Outputs
Input
- Original price
- Primary and additional discounts
- Sales-tax percentage
Output
- Final bill and savings before tax
Formula / Method
After discounts: P × (1−d1/100) × (1−d2/100); tax is applied to that discounted amount.
Input Explanation
Original price
Enter the original price used by Discount Calculator.
Primary and additional discounts
Enter the primary and additional discounts used by Discount Calculator.
Sales-tax percentage
Enter the sales-tax percentage used by Discount Calculator.
Understanding the Result
Discount Calculator displays final bill and savings before tax.
Assumptions
- Sequential discounts are not added together.
- The entered tax rate is arithmetic only and is not selected for your jurisdiction.
Quality and Fidelity
After discounts: P × (1−d1/100) × (1−d2/100); tax is applied to that discounted amount.
Limitations and Important Notes
- Sequential discounts are not added together.
- The entered tax rate is arithmetic only and is not selected for your jurisdiction.
Worked Example
₹1,000 with 20% then 10% discounts becomes ₹720 before optional tax—not ₹700.
Helpful Tips
- Check the Discount Calculator units and rate periods before calculating.
- Retain enough precision in the final bill and savings before tax when using it in another calculation.
Frequently Asked Questions
What formula does Discount Calculator use?
After discounts: P × (1−d1/100) × (1−d2/100); tax is applied to that discounted amount.
Is the Discount Calculator result exact?
The result follows the displayed inputs and browser arithmetic; sequential discounts are not added together.
How should I use the Discount Calculator result?
Treat it as a calculation from the entered values and account for this documented limit: The entered tax rate is arithmetic only and is not selected for your jurisdiction.