43 in Roman numerals

The number 43 is written in Roman numerals like this: XLIII

XLIII = 43

How to write 43 in Roman numerals

Split the number by place value and write each part in Roman numerals:

• 40 = XL (50 − 10)
• 3 = III

Put the parts together: XL + III = XLIII.

When a smaller symbol comes before a larger one, it is subtracted.

Going the other way? See the Roman numeral XLIII.

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42 in Roman numerals: XLII

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44 in Roman numerals: XLIV

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