# Ratio

> a notepad that calculates as you type

Source: https://rankcert.com/product/ratio
Website: https://useratio.app
Verification: Unverified
Upvotes: 0
Launch week: unscheduled · Updated: 2026-11-04

## Verified signals

- No signals submitted. This listing is unverified.

## About

Ratio is a lightweight notepad calculator that works on Mac, Windows, and Linux. It evaluates expressions, currencies, units, dates, and time zones instantly as you type, displaying results in the same document. Unlike traditional calculators, it combines a text editor with real‑time computation, making it ideal for quick calculations while drafting.

## Ratio as an alternative

People evaluate Ratio against Microsoft Calculator, Google Sheets, Notepad++, Excel.

## Questions

### Is Ratio free?

Pricing details are not provided on the homepage; you may need to contact the team for more information.

### What platforms does Ratio support?

Ratio runs on Mac, Windows, and Linux.

### Does Ratio support currency conversion?

Yes, it evaluates currency pairs instantly as you type.

### Can Ratio convert units?

Yes, it handles unit conversions inline within the notepad.

Tags: productivity, calculation, cross-platform, notepad, currency