Convert for Windows

Convert for Windows

Convert is a free and easy to use unit conversion program that will convert the most popular units of distance, temperature, volume, time, speed, mass, power, density, pressure, energy, and many others, including the ability to create custom conversions!

https://joshmadison.com/convert-for-windows/

"My first job was working in an orange juice factory, but I got canned; couldn’t concentrate!".

https://joshmadison.com/woodys-chalkboard/

I like "With great power comes great electricity bill".

I've used it for many years. My Convert includes energy and torque. I remember sharing it as a jpg file in desperate times.