What is a British Shilling or a Penny in 1938 equal to in US dollars?

One Shilling GBP in 1938 had the purchasing power of about £2.12 GBP today.

One Shilling GBP in 1938 had the purchasing power of about $3.07 USD today.

There were 12 Pennies in a Shilling.

NOTE - This historical conversion is the result of many calculations and considerations by a purpose designed program for which I can take no credit. The resulting answer should only be regarded as an approximation.