Two Kingdoms Currency

The basic unit of Two Kingdoms currency is the copper coin known as the akchē (128 to the pound). 3 akchū are equal to one silver pārah (64 to the pound); in turn, 40 'apprāh equal one gold gurrûsh (160 to the pound) and 100 gurārish equal 1 platinum aril (80 to the pound).

To summarize:
1 akchē (a) = 1/3 pārah (p) = 1/120 gurrûsh (g) = 1/12,000 aril (ar)
3 akchū = 1 pārah = 1/40 gurrûsh = 1/4000 aril
120 akchū = 40 'apprāh = 1 gurrûsh = 1/100 aril
12,000 akchū = 4000 'apprāh = 100 gurārish = 1 aril

When looking at published costs:
1 cp = 1 akchē
1 sp = 10 akchū = 3p1a
1 gp = 100 akchū = 33p1a
1 pp = 1000 akchū = 8g4p