How to use the percentage calculator
Choose the type of percentage calculation you need and fill in the fields. Results update instantly as you type.
Three calculation types
- What is X% of Y? — e.g. what is 15% of $85? (tip calculator, discounts)
- X is what % of Y? — e.g. 45 is what percent of 180? (test scores, ratios)
- Percentage change — e.g. from 100 to 135 is a 35% increase
Common uses
- Calculating sales tax or tips
- Finding discount prices while shopping
- Tracking weight loss or fitness progress
- Analyzing business metrics and growth rates