Percentage Off Calculator
Calculate percentage discounts instantly. Enter original and sale prices to find the percentage reduction.
Original Price:Sale Price:
FAQs: How to Calculate Percentage Off
1. What is the percentage off formula?
The percentage off formula is: ((Original Price - Sale Price) / Original Price) × 100. This calculates the discount percentage by comparing the price difference to the original price.
2. How accurate is this calculator?
This calculator provides 100% accurate results when correct values are entered. It handles decimal values and automatically validates inputs to ensure proper calculations.
3. Can I calculate multiple discounts?
Yes, simply clear the fields after each calculation and enter new values. The calculator resets completely with the clear button for consecutive uses.
4. Does it work for currency conversions?
While it calculates percentages accurately, it doesn't handle currency conversion. Use same-currency values for accurate discount calculations.
5. How to calculate reverse percentages?
To find original price from discount percentage, use: Original Price = Sale Price / (1 - (Percentage/100)). This calculator focuses on direct percentage-off calculations.
6. Why is my result negative?
A negative result indicates the sale price is higher than original price. Check your inputs - this might mean there's a price increase rather than discount.
7. Can I use this for tax calculations?
This calculator is designed for discounts. For tax calculations, different formulas apply (adding percentages rather than subtracting).
8. What's the maximum value allowed?
There's no set limit, but extremely large numbers may affect precision. For typical purchases and discounts, the calculator works perfectly.
9. How to calculate percentage off between two numbers?
Use the same formula: subtract new number from original, divide by original, multiply by 100. Works for any comparative percentage difference calculation.
10. Does it work on mobile devices?
Yes, the calculator is fully responsive and works on all devices. The input fields are mobile-friendly and buttons are optimized for touch screens.