1 AS = A WHOLE OR ONE UNIT.

8 DUPONDII = 1 DENARIUS

2 ASSES = 1 DUPONDIUS

4 SESTERTII = 1 DENARIUS

4 ASSES = 1 SESTERTIUS

1 ANTONINIANUS = 2 DENARII

16 ASSES = 1 SILVER DENARIUS

1 AUREUS = 25 DENARII