4 in Roman numerals, how to write?

4 = IV
Explanations below.

Roman numerals used to make the conversion:

I = 1; V = 5;
Reading rules

4 = 5 - 1 = V - I = IV;

4 = IV

In Roman numerals online converter

Latest conversions of numbers to Roman numerals

4 = IV May 29 11:25 UTC (GMT)
28 = XXVIII May 29 11:25 UTC (GMT)
11 = XI May 29 11:25 UTC (GMT)
14 = XIV May 29 11:25 UTC (GMT)
65,496 = (L)(X)(V)CDXCVI May 29 11:25 UTC (GMT)
1,973 = MCMLXXIII May 29 11:25 UTC (GMT)
7 = VII May 29 11:25 UTC (GMT)
3 = III May 29 11:25 UTC (GMT)
3 = III May 29 11:25 UTC (GMT)
26 = XXVI May 29 11:25 UTC (GMT)
28 = XXVIII May 29 11:25 UTC (GMT)
27 = XXVII May 29 11:25 UTC (GMT)
10 = X May 29 11:25 UTC (GMT)
converted numbers, see more...