If you like the program and can afford the $20 please buy it. We have spent a lot of time on this application and more money makes it easier to continue the development of Unit Converter Pro!
Unit Converter Pro for Windows costs 20 US$.
purchase a license for Unit Converter Pro, please send an
When you register, you'll receive a registration code via e-mail. Fill in this registration code into View | Registration... form and the opening wait screen will not appear.