Reverse Percentage Calculator
Find the original price before a discount, or the value before a percentage was taken off, from the final amount. Enter final value and percentage…
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Find the original price before a discount, or the value before a percentage was taken off, from the final amount. Enter final value and percentage taken off to see original value when you calculate.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (final value = 75, percentage taken off = %25), the results are: original value 100.00.
Quick reference: final value vs result
Reference table based on the example values; it is not your calculation result.
| Final value | Original value |
|---|---|
| 37.5 | 50.00 |
| 75 | 100.00 |
| 150 | 200.00 |
| 375 | 500.00 |
| 750 | 1,000.00 |
| 1,500 | 2,000.00 |
Frequently asked questions
What formula does this calculator use?
Original value = final ÷ (1-pct ÷ 100). Variables: final = final value, pct = percentage taken off in %.
What do I need to enter?
You need final value, percentage taken off (%). Results update as you type.
What is an example result?
With the default inputs (final value = 75, percentage taken off = %25), the results are: original value 100.00.
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