Doh, sorry. Missed that part of your message. I was too focused on the 12 vs 120 part. Marked yours as answer

Thanks for the help

Wait... I believe I might have found the problem. The Excel formula divides by 2*120, while the sql divides by (2*120)

Thanks, didn't see I copied the Excel wrong.

The correct Excel formula ends with 2 * 120, just like the SQL, which gives the result 22.892064. This is the result I'm...