Percentage & Tip Calculator

What is X% of Y?

Percentage (X)

Number (Y)

Result—

X is what % of Y?

Value (X)

Total (Y)

Percentage—

Percentage Change from A to B

From (A)

To (B)

Change—

How to use

Choose a module: Basic Percentage for percent-of or percent-change, Tip Calculator for restaurant bills, or Discount for sale prices. Enter the numbers and results update instantly.

Why use this tool

Handle everyday percentage math without a formula — tip splitting, discount savings, and percentage changes all in one free tool. No install, no ads, works offline.

FAQ

How do I calculate 20% tip on a $85 bill split between 4 people?: Enter 85 as the bill, 20 as tip %, and 4 as people. The tool shows each person pays $5.25 tip and $26.25 total.
What is percentage change?: Percentage change = (new − old) / old × 100. A positive result is an increase; negative is a decrease.
Is this tool free?: Yes — completely free, no sign-up, no download required. All calculations run in your browser.