Open a side panel to calculate values from the webpage.
Users
15
+5 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#174K
#146K among extensions
Version
1.8
updated 7 Oct 2026
Users
monthly, 15 months
Latest, 21 Oct 2026:15 usersMove the mouse over the chart for any month
Ratings count
monthly, 15 months
Latest, 21 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 Auto Calculator
๐งฎ Advanced Calculator & Number Extractor (Chrome Extension)
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๐ Overview
This Chrome extension is an advanced calculator and number extraction tool
designed to streamline calculations directly within your browser. It features a user-friendly interface for performing a wide range of mathematical operations, managing calculation history, and extracting numbers from web pages effortlessly.
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๐ Key Features
๐ข Flexible Number Input
Enter numbers manually, separated by spaces, commas, or semicolons.
Extract numbers directly from web pages via box selection or double-click.
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โ Comprehensive Operations
Perform all the essentials:
Sum (โ): Add multiple numbers.
Average (๐): Calculate the mean of a list.
Subtract (โ): Subtract numbers sequentially.
Multiply (โ๏ธ): Multiply numbers together.
Divide (โ): Divide sequentially.
Percentage (๐): Solve percentage problems (e.g., โWhat is 20% of 150?โ).
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๐ Calculation History
Every calculation is stored with inputs, operations, and results.
Easily review or copy your entire calculation trail.
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๐ Chained Calculations
Instantly reuse previous results in a new calculation.
Perfect for building step-by-step results (e.g., use a sum as the base for a percentage).
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๐ Copy All
*Copy your entire calculation history in a clean, readable format for sharing or record-keeping.
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๐ Number Extraction from Web Pages
Box Selection (๐ฑ๏ธ): Highlight a page region to grab all numbers.
Double-Click (๐ฒ๏ธ): Add a clicked number directly to your calculator input.
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๐ฅ๏ธ User-Friendly Interface
Clear inputs/history in one click.
Dedicated buttons for every operation.
Responsive design for seamless browser integration.
๐ฏ Perfect For
Students: Quick homework calculations.
Accountants/Analysts: Fast financial computations.
Anyone needing instant math while browsing.
Copying results/history to reports, emails, spreadsheets.
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๐ Version 1.4 Updates
๐ Chained Calculation Improvements
Connector arrows visually link steps.
Larger main number font for readability.
Cancel and remove buttons resized for clarity.
Remove individual chained steps for flexibility.
Auto-calculate after 5s delay or Enter key for precision.
โก General Calculation
Real-time calculation for add, subtract, multiply, and divide.
๐จ UI/UX Enhancements
*Cleaner layout and consistent design..