An online calculator for physical quantities.
It could be called a unit converter, but that's not the whole story. There are many unit conversion programs out there, but most of them only let you convert similar types of quantities: you must pick "length" mode, select "from pounds", then "to kg", click again, type a number, and get the answer.
Instead, this program lets you type an expression like
(10 mi + 20 km) / 1 h
and it gives you a speed, which you can express in whatever units you like by adding a comma, e.g. , mph in which case the answer of 67.2823 mph.
So, any mathematical expression involving basic arithmetic operations can be evaluated with physical units included.
Features include: - Preferred units setting - Define custom variables - Recall history - Quick copy-to-clipboard button - Examine similar units - Mobile-friendly key pad so you can stay in letter mode. - Import/export - Uses browser's local storage. - No installation necessary - No data sent back to server.
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