Greek numerals converter
Convert Arabic numbers to Greek numerals and back
Use our Greek numerals converter to quickly switch between modern Arabic numbers and ancient Greek numerals without needing a dusty scroll, a toga, or a panic search through history notes.
Whole numbers from 1 to 999999 are supported. Zero, negative numbers, and decimals are not supported.
How to use a Greek numerals converter?
Using the Greek numerals converter is simple: enter Arabic numbers or Greek numbers into the tool, and the converted result will appear below instantly. Once the result shows, press the copy icon to copy it and use it wherever you need, whether that is for studying, design work, notes, or impressing someone who did not ask but will probably learn something anyway.
What Are Greek Numerals?
Greek numerals are an ancient number system that uses Greek letters to represent numbers. Instead of writing numbers with digits like 1, 10, or 100, the system uses letter-based symbols to show numeric values.
It was used in historical texts, mathematics, records, and inscriptions, which makes it useful for anyone studying classical history, ancient languages, or old documents that look like they were written by someone with excellent handwriting and zero interest in modern convenience.
How to Convert Greek Numerals Manually
Greek numerals are based on assigning numeric values to Greek letters, which means each symbol represents a specific number. The first letters represent numbers 1 through 9, the next group represents tens like 10, 20, and 30, and another group represents hundreds.
For example, α equals 1, β equals 2, γ equals 3, and ι equals 10. To create larger numbers, the values are combined together. For instance, ια represents 11 because ι is 10 and α is 1, while κδ represents 24 because κ is 20 and δ is 4.
The same logic works for bigger values, which means once you understand the symbol groups, converting numbers manually becomes much easier and slightly less likely to make your brain feel like ancient homework.
Greek numeral chart
| 1 to 9 | 10 to 90 | 100 to 900 |
|---|---|---|
| αʹ = 1 | ιʹ = 10 | ρʹ = 100 |
| βʹ = 2 | κʹ = 20 | σʹ = 200 |
| γʹ = 3 | λʹ = 30 | τʹ = 300 |
| δʹ = 4 | μʹ = 40 | υʹ = 400 |
| εʹ = 5 | νʹ = 50 | φʹ = 500 |
| ϛʹ = 6 | ξʹ = 60 | χʹ = 600 |
| ζʹ = 7 | οʹ = 70 | ψʹ = 700 |
| ηʹ = 8 | πʹ = 80 | ωʹ = 800 |
| θʹ = 9 | ϟʹ = 90 | ϡʹ = 900 |