About this tool

Units Converter & Calculator converts more than 200 units across 30+ categories, from weight and temperature to energy and pressure. It works completely offline and is ad-free, so you can convert units anywhere. A physical constants library lists more than 180 constants, and each entry explains what the constant is, why it matters, and how it is used. Search helps you find any constant quickly. The app suits students, engineers, scientists, and anyone who needs fast, accurate conversions. Conversions happen in real time, so each result appears as soon as you enter a value.