The Fast, Clean, and Accurate Percentage Tool for Business & Daily Use

Percentage Pro is the clean, powerful, and ad-free percentage calculator designed for professionals, students, and anyone who demands speed and precision. Whether you’re calculating markups, discounts, tax rates, or stock changes, this app is your reliable daily driver.

Why Choose Percentage Pro?

Blazing Fast & Intuitive: Get instant results with an ultra-clean, straightforward interface that makes complex percentage calculations simple. The design is simple, elegant, and perfect for quick use during meetings or on the go.

100% Ad-Free: Enjoy a premium, uninterrupted experience. There are no banner ads, no video ads, and no distractions—just pure calculation power.

Great for Business: Ideal for finance, retail, and sales professionals. Quickly handle all core business calculations:

"What is X% of Y?" (e.g., calculating a discount or commission).

"X is what percent of Y?" (e.g., determining profit margin or tax rate).

Percentage Change (e.g., tracking month-over-month growth, stock increase/decrease).

Maximum Precision: Supports up to 8 decimal places of precision, giving you the accuracy you need for detailed financial, scientific, or complex business reports.

Smart, Seamless Features:

Input Swap Button: Effortlessly switch your 'Part' and 'Whole' inputs in the "X is % of Y" and "Change" views.

Auto-Save: Your last inputs are automatically saved, so you never lose your progress.

Tap-to-Copy: Instantly copy the result to your clipboard with a single tap.

Clear All: One-tap button to wipe the slate clean and start fresh.

Core Calculations Included:

X% of Y: Find the value of a percentage.

X is % of Y: Find the percentage of a value.

Percentage Change: Calculate the increase or decrease between two numbers.