Percentage Calculator Online for Free
Solve percentage problems fast with ToolMint. Find X% of Y, calculate percentage increases and decreases, compare changes between values, calculate percentage difference, and work backward with reverse percentage formulas in one simple calculator suite.
Percentage Calculator
What is X% of Y?
Percentage Calculator in Common Phrases
Quick formulas for everyday percentage questions
Percentage Increase Calculator
Increase a value by a given percentage
Percentage Decrease Calculator
Decrease a value by a given percentage
Percentage Difference Calculator
Find the percentage difference between two values
Percentage Change Calculator
Find the percentage increase or decrease between two values
Reverse Percentage Calculator
Find the original value before a percentage was applied
Percentage Formulas
Included Percentage Calculators
X% of Y
Find any percentage of a number instantly.
Increase, Decrease & Change
Measure percentage growth, reduction, or change between two values.
Percentage Difference
Compare two numbers and calculate the percent difference between them.
Reverse & What Percent
Work backward from a final number or find what percent one value is of another.
How to Calculate Percentages Online
Pick a calculation type
Choose X% of Y, percentage change, increase, decrease, reverse percentage, or what percent one number is of another.
Enter your values
Type the base numbers into the calculator fields.
Calculate instantly
The result updates immediately with the correct percentage answer.
Use the answer
Copy the result for discounts, markups, exam scores, taxes, or business calculations.
Frequently Asked Questions
- What can this percentage calculator solve?
- It can calculate X percent of Y, percentage increase, percentage decrease, percentage change, percentage difference, and reverse percentage.
- Can I calculate discounts and markups?
- Yes. Use the percentage decrease and increase modes for sale discounts, price changes, and markups.
- What is reverse percentage?
- Reverse percentage helps you work backward from a final value to find the original number before a percentage increase or decrease.
- Is this calculator free to use?
- Yes. It is completely free and works directly in your browser without signup.
- Does it work on mobile?
- Yes. The calculator is responsive and works on phones, tablets, and desktops.