How much was one shilling in US in 1778?

One Shilling GBP in 1860 had the purchasing power of about £4.57 GBP today.

One Shilling GBP in 1860 had the purchasing power of about $6.61 USD today.

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.