What is the value of the Roman numeral L?

The value of the Roman numeral L is fifty. In the Roman numeral system, specific letters represent specific values. The letter 'L' is designated for the number 50. Understanding this system requires knowledge of the fundamental values assigned to each letter; for instance, I is 1, V is 5, X is 10, L is 50, C is 100, D is 500, and M is 1000. Therefore, recognizing that L corresponds directly to the value of fifty confirms the answer is correct.