Skriv Decimal Tal:


   


 
 
Skriv Romeral:


   


 
 
Værdien 2019, giver Romertallet MMXIX
      






Romer => Tital:

      I = 1
      V = 5
      X = 10
      L = 50
      C = 100
      D = 500
      M = 1000
      






Tital => Romer:

      0 =
      1 = I
      2 = II
      3 = III
      4 = IV
      5 = V
      6 = VI
      7 = VII
      8 = VIII
      9 = IX
    10 = X
      






      Tital => Romer:

            0 =
          10 = X
          20 = XX
          30 = XXX
          40 = XL
          50 = L
          60 = LX
          70 = LXX
          80 = LXXX
          90 = XC
        100 = C
      






      Tital => Romer:

                  0 =
              100 = C
              200 = CC
              300 = CCC
              400 = CD
              500 = D
              600 = DC
              700 = DCC
              800 = DCCC
              900 = CM
            1000 = M
      






Tital => Romer:

    1950 = MCML
    1960 = MCMLX
    1970 = MCMLXX
    1980 = MCMLXXX
    1990 = MCMXC
    2000 = MM
    2010 = MMX
    2020 = MMXX
    2030 = MMXXX
    2040 = MMXL
    2050 = MML
      






Nogle tal-eksempler:

   MMXIX = 2019 (dette år.)
MCMLXXXVII = 1987
MCMLXXXVIII = 1988
MMXI = 2011
MMXII = 2012
MMXIII = 2013
MMXIV = 2014
MMMCMXCIX = 3999
MMXIX
MMXIX