# Calcubes

> Free online calculators, converters, and utilities: percentage calculator, BMI calculator, loan calculator, mortgage calculator, currency converter, date difference, word counter, password generator, and 60+ more. Fast, accurate, no signup.

## Main Pages

- [Home](https://calcubes.com/)
- [Popular Tools](https://calcubes.com/popular)
- [About](https://calcubes.com/about)
- [Contact](https://calcubes.com/contact)
- [Privacy Policy](https://calcubes.com/privacy)
- [Terms of Service](https://calcubes.com/terms)
- [Sources & APIs](https://calcubes.com/sources)

## Tool Categories

- [Finance & Business](https://calcubes.com/tools/category/financial-calculators): Interest, loans, mortgages, tax, ROI, discounts, tips, currency
- [Math & Education](https://calcubes.com/tools/category/math-calculators): Percentages, fractions, statistics, GPA, grades, citations, word/character counters
- [Health & Lifestyle](https://calcubes.com/tools/category/health-calculators): BMI, age calculator
- [Date & Time](https://calcubes.com/tools/category/date-time-calculators): Date difference, time duration, time zone converter
- [Converters & Units](https://calcubes.com/tools/category/unit-converters): Length, weight, temperature, area, volume, speed, binary/hex, image format
- [Text & Formatting](https://calcubes.com/tools/category/text-tools): Case converter, JSON/XML, Markdown, formatters, Base64, URL encode, hash, diff, regex
- [Productivity & Utilities](https://calcubes.com/tools/category/productivity-tools): Timers, password generator, UUID, QR code, Lorem Ipsum, cron expression

## Popular Tools

- [Percentage Calculator](https://calcubes.com/tools/percentage)
- [Compound Interest Calculator](https://calcubes.com/tools/compound-interest)
- [Loan Calculator](https://calcubes.com/tools/loan)
- [Mortgage Calculator](https://calcubes.com/tools/mortgage)
- [Discount Calculator](https://calcubes.com/tools/discount)
- [Tip Calculator](https://calcubes.com/tools/tip)
- [Tax Calculator](https://calcubes.com/tools/tax-calculator)
- [Currency Converter](https://calcubes.com/tools/currency-converter)
- [BMI Calculator](https://calcubes.com/tools/bmi)
- [Age Calculator](https://calcubes.com/tools/age)
- [Date Difference Calculator](https://calcubes.com/tools/date-difference)
- [Length Converter](https://calcubes.com/tools/length)
- [Weight Converter](https://calcubes.com/tools/weight)
- [Temperature Converter](https://calcubes.com/tools/temperature)
- [Fraction Calculator](https://calcubes.com/tools/fraction)
- [GPA Calculator](https://calcubes.com/tools/gpa)
- [Word Counter](https://calcubes.com/tools/word-counter)
- [Character Counter](https://calcubes.com/tools/character-counter)
- [JSON Formatter](https://calcubes.com/tools/json-formatter)
- [Base64 Encode/Decode](https://calcubes.com/tools/base64)
- [Password Generator](https://calcubes.com/tools/password)
- [UUID Generator](https://calcubes.com/tools/uuid)
- [QR Code Generator](https://calcubes.com/tools/qr-code)
- [Image Format Converter](https://calcubes.com/tools/image-format)

## About Calcubes

Calcubes offers 68+ free online tools across 7 categories. Every calculator, converter, and utility works instantly in your browser — no signup, no download. Use the sidebar or search (⌘K) to find tools. Popular searches: percentage calculator, BMI calculator, loan calculator, currency converter, date difference, word counter, password generator.