Calculator Tools
Percentage Calculator
Solve common percentage questions for shopping, finance, school, analytics, and everyday decisions.
What is X% of Y?
30
X is what percent of Y?
25%
Percentage change
25% increase
How to use this tool
- Choose the percentage question that matches your need.
- Enter the values in the fields.
- Read the result shown under that calculator module.
Why use this tool
- Get quick answers without a spreadsheet.
- Use separate modules for the most common percentage formulas.
- Compare increases and decreases clearly.
FAQ
What does percentage increase mean?
It measures how much a value changed from an original value to a new value, relative to the original.
Can I use decimals?
Yes. Decimal values are supported in all calculator fields.