Roman number DL to decimal

The Roman number DL is equivalent to the number 550 (five hundred fifty).

550
DL

DL = 550
The Roman numbering system (Roman numerals) was created in Ancient Rome, and was used throughout the Roman Empire. It consists of seven capital letters of the Latin alphabet: I, V, X, L, C, D and M.
Keywords: How is the number 550 in Romano, How to write 550 in Roman numerals