Smart Percentage Calculator is a must-have app for everyday calculations - simple percentage calculations, percentage increase/decrease, VAT calculations, calculating tips, sale price, percentage off, discounted price, and more.

- finds the percentage of a value (what is 5% of 20?)
- finds the value from a percentage - finds the whole number when you know the percentage and the sub-value (if 4 is 30%, what is the whole number?)
- sub-value of a value - finds the proportion of one number to another in percentage terms (20 is what percent of 150?)


Finds the percentage change (increase/decrease) between two values.

Converts fractions to percentages and percentages to fractions.

- calculates the price without VAT (net price).
- calculates the price with VAT (gross price).
- calculates the VAT amount.

- calculate the discounted price and your saving
- handles multiple discounts

Smart Percentage Calculator makes percentage calculations based on various inputs including values, sub-values, percentages, ratios, fractions, percentage changes, percentage increase/decrease.
If any two of values are entered, the calculator finds the third one.
For VAT calculations you may enter any VAT rate.
Discount calculations: just enter the original price, discount, sales tax percentage (if applicable) and get the final price and the amount of money you save.You can enter discount percentage or discount amount.

You can select rounding to the specified number of decimal places from 0 to 3. By default, the app displays 2 decimal places.
To round results to the nearest whole number, select 0 decimal places.

Supports fractional values.

You can make calculations in one of 15 supported currencies.

History tape to view recent calculations (25 entries). Back and forward buttons lets you view your recent calculations.

Share results and history via email.

'Undo' for the Clear command.

Supports both portrait and landscape orientation.

What’s New

Version 3.0.0

New interface.
Now you can use the app for VAT calculations, to calculate discounted prices, savings and for various percentage calculations.
Added interface localization: Ελληνικά, 日本語, 한국어, Polski, Türkçe.

Ratings and Reviews

PJ Fuller ,

Limited Fields

In terms of percentage change, it only allows digits that reach into the 1B range. Any numbers involving 10B or more, you’re out of luck. Waste of $5.

App Privacy

The developer, Intemodino Group s.r.o., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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