Free Percentage Calculator Online
Eight modes in one tool: X% of Y, X is what % of Y, percentage change, tip with bill splitting, discount, tax/markup, compound growth, and grade/score with letter grade.
Try this example
You and three friends just had dinner. The bill is ₹2,400 and you want to leave a 15% tip and split equally.
- 1Pick the Tip Calculator mode.
- 2Enter 2400 as the bill, 15 as the tip percent, and 4 as the number of people.
- 3The tool shows the tip amount, total bill, and per-person amount.
How to Use
- 01Pick a calculation mode from the dropdown.
- 02Enter the numbers. The result updates instantly.
- 03Review the main result plus extras like savings, per-person split, or absolute difference.
FAQ
What does each mode do?▼
X% of Y is plain percentage. Reverse percent finds the percentage one number is of another. Percent change is increase/decrease between two values. Tip splits a bill among N people. Discount shows sale price after a percent off. Tax/markup adds a percentage to a base. Compound growth applies a rate over N periods. Grade converts a score to a percentage with a letter grade.
How does compound growth work?▼
Formula: V = P × (1 + r)ⁿ, where P is starting value, r is per-period growth rate, n is periods. Useful for savings interest, inflation, and population projections.
Can I split a restaurant bill?▼
Yes. Use Tip mode. Enter the bill, tip percent, and number of people to see total, tip, and per-person amount.