70 in Roman Numerals
Seventy is written LXX in Roman numerals. You read it left to right, adding each glyph in turn: L for 50, X for 10, X for 10.
How LXX is formed
Reading left to right, 70 breaks into these additive parts. Each Roman symbol is added in turn to reach the total.
L + X + X = 50 + 10 + 10 = 70.
Where 70 in Roman numerals is used
- Outlines, exam questions and list items in formal documents.
- Monarch and pope names, for example the 70th of a royal line.
Convert another number
70 is written LXX in Roman numerals.
Frequently asked questions
How do you write 70 in Roman numerals?
Write 70 as LXX, combining L + X + X. Start from the largest value that fits and work down until nothing is left over.
How is LXX broken down?
LXX breaks down as L (50), X (10), X (10), so L + X + X = 50 + 10 + 10 = 70.
What number is LXX?
LXX is 70. Read the symbols left to right, treat any smaller-before-larger pair as a single subtraction, and add the groups together.
Is there a shorter way to write 70?
No. LXX is the standard, canonical spelling. Each value has exactly one correct Roman form, so LXX is the only valid way to write 70.