% Calculator

Percentage Calculator Online Free

Calculate percentages, percentage increase/decrease, find what percentage one number is of another, and more. All common percentage calculations in one place.

📈 What is X% of Y?
% of
🔢 X is what % of Y?
is what % of
📉 Percentage Change (Increase / Decrease)
From
To
➕ Add / Remove Percentage
Value
Percentage

About Percentage Calculator

This free percentage calculator handles all common percentage calculations. Find what percentage one number is of another, calculate percentage increase or decrease, add or remove a percentage from a value, and calculate X% of any number.

Useful for: calculating discounts (30% off ₹1000 = ₹700), GST calculations, salary hike percentages, exam marks percentages, profit/loss percentages and more.

Frequently Asked Questions

How to calculate percentage of marks?+
Use "X is what % of Y?" — enter your marks as X and total marks as Y. Example: got 450 out of 600 — enter X=450, Y=600 = 75%.
How to calculate percentage increase in salary?+
Use "Percentage Change" — enter old salary as From and new salary as To. The calculator shows the exact % increase.
How to calculate 18% GST on a value?+
Use "What is X% of Y?" — enter 18 as X% and the base amount as Y. Or use our dedicated GST Calculator for full CGST/SGST breakdown.
Done!