Percentage Calculator

Quick percentage calculations for discounts, tips, grades, and more.

Client-side only. Data never leaves your device.

How to use Percentage Calculator

1

Select the type of calculation (e.g., 'What is X% of Y?').

2

Enter the required numbers into the fields.

3

Click 'Calculate' to see the result immediately.

4

Use different modes for increase, decrease, or difference calculations.

Frequently Asked Questions

How do I find what % one number is of another?

Use the 'X is what % of Y?' mode. Divide X by Y and multiply by 100.

How to calculate a discount?

Use 'Percentage decrease' mode with the original price and discount rate.

What's the percentage change formula?

((New Value - Old Value) / Old Value) × 100. Our tool does this automatically.

Why use Kitbase Percentage Calculator?

Multiple Modes

Calculate percentage of, increase, decrease, and difference.

Reverse Calculation

Find the original number when you only know the result.

Simple Interface

Straightforward inputs without confusing formulas.

Instant Results

Answers appear as you type.

ToolsPDFImageDevText