Converting Numbers Between Decimal, Binary, and Hexadecimal
If you want a quick and easy way to convert numbers between their decimal, binary, and hexadecimal form use Programmer mode in Windows Calculator.
Windows Calculator has come installed on all Windows operating systems for a long time now. Look in the accessories menu or just type calc at start to run it.
Go to the view menu and select 'Programmer' mode.
The setting at the left for the number form should default to decimal.
If you enter a number and click one of the other radial buttons, the number will be automatically converted.