Assuming the actual number is 505 and it's just a custom format you're using to display it as 5’05.00â€, you could use a formula
like:
=(INT(A1/100)*12+MOD(A1,100))*0.0254
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.