BRITISH CURRANCY CALCULATION FROM NATIONAL ARCHIVES OF GREAT BRITAIN

If you're reading British documents that mentions pounds in, say, 1790, you might want to find out what the amount would be in today's market. Here's the link to a currency calculator that can do the job for you quickly. This should help you imagine what money mentioned in wills and other documents means today, though be aware that back then, as now, real estate prices varied by the prestige of the neighborhood. Forensic Genealogy fans should especially find this valuable.