Tools for reading Britain's past
Make sense of old British money
Free, fast tools for pounds, shillings and pence. Convert old amounts to decimal, add up a column from a will or a ledger, and see what a historical price would cost today.
Money tools
Old money to decimal converterTurn pounds, shillings and pence into today's decimal pounds and pence.Decimal to old money converterTurn decimal pounds and pence back into £sd.Pounds, shillings and pence calculatorAdd, subtract, multiply and divide amounts in old money.What is old money worth today?See what an old amount would buy in today's prices, back to 1800.
Quick convert
Guides
How pounds, shillings and pence workedA plain-English guide to £sd, how it was written and how to do sums in it.Old British coins and their valuesEvery pre-decimal coin from the farthing to the guinea, with nicknames and decimal values.
Who these tools are for
Family historians reading wills, inventories and parish accounts. Students and teachers studying British history. Readers of classic novels who want to know what “a guinea a week” really meant. And anyone who remembers half crowns and threepenny bits and wants to know what they'd be worth now.
Everything works in your browser, on phones as well as computers, with no sign-up.