26 in Roman numerals is XXVI, built from XX + V + I (XX = 20, V = 5, I = 1), which add up to 26.
How 26 is written in Roman numerals
The number 26 is written XXVI in Roman numerals. Roman numerals use seven letters — I (1), V (5), X (10), L (50), C (100), D (500) and M (1000) — combined from largest to smallest, with subtractive pairs such as IV (4) and IX (9). Need another number? Use the Roman numeral converter or see the 1–100 chart.
Building XXVI step by step — take the largest value that fits, write its symbol, subtract, repeat.
| Write | Value | Remaining before | Remaining after |
|---|
| X | 10 | 26 | 16 |
| X | 10 | 16 | 6 |
| V | 5 | 6 | 1 |
| I | 1 | 1 | 0 |
Where you see XXVI
Regnal and papal names use it the same way — a 26th ruler of a name is styled XXVI, as in Louis XXVI or Pope John XXVI. The 26th Super Bowl was Super Bowl XXVI; the NFL has used Roman numerals for every edition except Super Bowl 50.
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Frequently Asked Questions
What is 26 in Roman numerals?
26 in Roman numerals is XXVI. Reading it left to right gives X (10) + X (10) + V (5) + I (1) = 26. The number below it, 25, is written XXV, and the number above it, 27, is written XXVII.
How do you write 26 in Roman numerals?
Write 26 as XXVI, combining X (10) + X (10) + V (5) + I (1). Roman numerals are built by taking the largest value that still fits, writing its symbol and subtracting it, which reduces 26 in 4 steps: X leaves 16, X leaves 6, V leaves 1, I leaves 0. Every symbol keeps the same value wherever it stands, so the order is fixed and XXVI is the only standard spelling of 26.
What are the Roman numerals either side of 26?
Either side of 26 the Roman numerals are XXV for 25 and XXVII for 27, with XXVI between them. Those three numerals are 3, 4 and 5 letters long, so the length changes as you count. Roman numerals have no digit positions, so each step can rewrite the numeral rather than bumping a single digit.
Will the Roman numeral converter accept XXVI?
Yes, type XXVI into the Roman numeral converter and it returns 26. The converter takes only the letters I, V, X, L, C, D and M, and it re-encodes whatever you enter and compares it with the standard spelling, so a non-standard form such as IIII is rejected rather than accepted quietly. Its working range runs from 1 to 3999, which covers 26.