Percentage Calculator

by oleski · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

A sleek, modern, and minimalist percentage calculator.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#362K

#275K among extensions

Version

1.8

updated 4 Mar 2026

Users

monthly, 8 months

Latest, 16 Oct 2026: 2 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Percentage Calculator

Stop struggling with mental math or switching tabs to find a clunky calculator. The Percentage Calculator is a lightweight, blazing-fast extension designed to give you instant answers for everyday math, shopping discounts, and financial planning. Whether you're calculating sales tax, figuring out a tip, analyzing profit margins, or doing homework, this tool has you covered with three essential calculation modes: 🚀 Core Features: ✅ BASIC PERCENTAGE: Find out exactly what [X]% of [Y] is. (Perfect for tips and taxes). ✅ PERCENTAGE OF: Discover what percent [X] is out of [Y]. (Great for test scores and statistics). ✅ PERCENTAGE CHANGE: Calculate the exact percent increase or decrease from [X] to [Y]. (Ideal for tracking price drops, ROI, or inflation). 💡 Why Choose This Extension? ✅ 100% Free: A clean, minimalist interface with no annoying banner ads. ✅ Lightning Fast: Opens instantly in a sleek popup right where you are. ✅ Privacy First: We don't track your calculations. No special permissions are required to run the core calculator. Add the Percentage Calculator to Chrome today and make math effortless!