Roman Numerals to Arabic Numbers 100 to 3000 by 100

Different from Arabic numbers , there are 7 Roman numerals: I, V, X, L, C, D and M, where V is equal to 5 and M is equal to 1000.

The basic rule is when the larger number is in front, then add, when the smaller number is in front, then minus. For example:

• VI: where V is 5 and I is 1, V is larger and in front, so add the 2 numbers together 5+1 = 6
• IL: where L is 50 and I is 1, I is smaller and in front, so minus the 2 numbers together 50-1 = 49
• where the letters are the same, add together: III = 1 + 1 + 1 = 3

Convert Rules:

The following is the table to convert from Roman numerals to Arabic numbers. For example,

• 1800 = 1000 + 800 = M + DCCC = MDCCC
• 2300 = 2000 + 300 = MM + CCC = MMCCC

The following is the conversion from Roman numerals to Arabic numbers for 100 to 3,000 by 100:

The following is the conversion from Arabic numbers to Roman numerals for 100 to 3,000 by 100:

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