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Use this percentage increase calculator for a clear math & geometry estimate. Results update instantly in your browser.
What this calculator does
Add a percentage increase to an original number.
How to use this calculator
- Enter the original value and increase rate.
- Review the calculation assumptions before using the result.
- The result shows the added amount and new total.
How to calculate
Percentage increase = (final − initial) ÷ |initial| × 100%.
Choose the calculation mode where available, then enter the values requested by the percentage increase calculator. Results update immediately.
Worked example
The defaults provide a complete worked example. Change any value to recalculate the result and any schedule shown.
Understanding your result
The result shows the added amount and new total.
- A percentage increase is not the same as percentage points.
- Double-check values and units before calculating.
Frequently asked questions
What does this percentage increase calculator do?
Add a percentage increase to an original number.
How do I use this percentage increase calculator?
Enter the original value and increase rate.
What does the result mean?
The result shows the added amount and new total.
What should I check before relying on it?
A percentage increase is not the same as percentage points.