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Numberly

Grammarly for numbers - instant math solutions anywhere

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Collected: 2025/10/17

What is Numberly? Complete Overview

Numberly is a free online math assistant that instantly solves equations and performs conversions as you type anywhere in your browser. It eliminates the need for manual calculations by providing dynamic solutions automatically. The tool serves three main user groups: professionals who need error-free calculations in their workflow, students who require quick math solutions for assignments, and general users who frequently need unit conversions. Numberly integrates seamlessly with email, social media, documents, and spreadsheets, working in real-time without requiring users to leave their workspace. The extension prioritizes privacy and security, with all calculations performed locally in your browser without sending data to third parties.

Numberly Interface & Screenshots

Numberly Numberly Interface & Screenshots

Numberly Official screenshot of the tool interface

What Can Numberly Do? Key Features

Instant Equation Solving

Numberly solves mathematical equations in real-time as you type them into any input field. It supports complex numbers and fractions, automatically providing solutions without needing to switch to a calculator.

Smart Unit Conversion

The tool eliminates the need for Google searches by providing instant metric and unit conversions directly in your workflow. It supports a wide variety of units for effortless switching between measurement systems.

Browser-Wide Integration

Numberly works across all websites and applications in your browser, including email clients, messaging platforms, documents, and spreadsheets. It provides inline solutions without disrupting your workflow.

Privacy-Focused Design

All calculations are performed locally in your browser with no data sent to third-party servers. Numberly maintains no tracking or history of your calculations and is fully compliant with Chrome extension policies.

Pro Version Enhancements

The Pro version offers uninterrupted usage with advanced support for complex formulas and high-priority customer support, making it ideal for heavy users who rely on accurate calculations daily.

Best Numberly Use Cases & Applications

Academic Assignments

Students can use Numberly to quickly verify solutions to math problems or convert between scientific units while working on homework assignments directly in their learning management systems.

Financial Reporting

Professionals preparing financial documents can perform complex calculations directly in their spreadsheets or email drafts, ensuring accuracy without switching between applications.

International Communication

Teams working across different measurement systems can instantly convert units in their messages and documents, eliminating conversion errors in international collaborations.

Quick Calculations

Anyone needing instant calculations during online shopping (price comparisons), recipe adjustments (measurement conversions), or trip planning (currency/unit conversions) can benefit from Numberly's seamless integration.

How to Use Numberly: Step-by-Step Guide

1

Install the Numberly extension from the Chrome Web Store by visiting the installation link.

2

Navigate to any website or application where you need to perform calculations or conversions.

3

Begin typing a mathematical equation or unit conversion in any input field.

4

Numberly will automatically recognize your input and display the solution in real-time.

5

For advanced features, consider upgrading to Numberly Pro through the extension's settings.

Numberly Pros and Cons: Honest Review

Pros

Eliminates the need to switch between calculators and work documents
Provides instant solutions without disrupting workflow
Supports complex mathematical operations and unit conversions
Works across all websites and applications
Strong privacy protections with local processing
Free version offers complete core functionality
Seamless integration with common productivity tools

Considerations

Currently only available as a Chrome extension
Advanced features require Pro subscription
Limited to mathematical operations and conversions
No mobile app version available yet

Is Numberly Worth It? FAQ & Reviews

Yes, Numberly offers a completely free version with unlimited equation solving and conversion capabilities. The Pro version provides additional convenience features but isn't required for core functionality.

Numberly works across all websites and applications in your browser, including email clients, messaging platforms, documents, and spreadsheets.

All calculations are performed locally in your browser with no data sent to external servers. Numberly maintains no tracking or history of your calculations.

The Pro version offers uninterrupted usage (no occasional prompts) and high-priority support, while maintaining all the core features of the free version.

Currently Numberly is only available as a Chrome extension for desktop browsers, but mobile support may be added in future updates.

How Much Does Numberly Cost? Pricing & Plans

Free

$0/year
Unlimited equation solves
Unlimited conversions
Complex numbers and fractions support
Various unit conversions
Browser integration

Pro

$39/year
All Free features
Uninterrupted usage
High priority support

Numberly Support & Contact Information

Last Updated: 10/17/2025
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