All Your Converters in One Place
Whether you need to convert between metric and imperial units, translate currencies with live rates, or transform text casing — our suite of conversion tools has you covered. Every tool is free, instant, and works on any device.
Available Converters
Length Converter
Convert between meters, feet, inches, kilometers, miles, and more
Weight Converter
Convert between kilograms, pounds, ounces, grams, and tons
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur
Case Converter
Convert text between different cases: uppercase, lowercase, title case, and more
Currency Converter
Convert between 150+ world currencies with real-time mid-market exchange rates
About Our Conversion Tools
Calculations.tools offers a growing collection of free online converters designed for speed and accuracy. Each tool runs entirely in your browser — no sign-ups, no downloads, no tracking.
What Can You Convert?
- Length: Meters, feet, inches, kilometers, miles, yards, centimeters, millimeters, and more.
- Weight: Kilograms, pounds, ounces, grams, metric tons, and stones.
- Temperature: Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur scales.
- Case: Transform text to uppercase, lowercase, title case, sentence case, camelCase, and more.
- Currency: 150+ world currencies with live mid-market exchange rates updated in real time.
Why Use Our Converters?
All tools are built with a focus on simplicity and precision. Results update instantly as you type, formulas are displayed transparently, and every converter works beautifully on desktop and mobile devices alike.
Frequently Asked Questions
Are these conversion tools free?
Yes, all conversion tools on Calculations.tools are completely free to use with no limitations.
Do I need to create an account?
No. Every tool works instantly in your browser — no sign-up required.
How accurate are the conversions?
All unit conversions use standard scientific formulas. Currency rates are sourced from live mid-market data and updated frequently.