Assuming you're referring to a British shilling, it has no current value in commerce.
The coin's face value is equivalent to 5p; shillings and old-style 5p coins co-circulated up till the early 1990s when new and much smaller 5p coins were introduced. All older 5p and 1s coins were then withdrawn from circulation.
However, many older shillings can be worth a premium to collectors - please post a new question with the coin's exact date.
Any valuation would depend on which country issued it, the year and the condition of the coin.
Five pence
One shilling in the 1940s would roughly be equivalent to about £2-£3 in today's money, depending on the specific year and inflation rates.
about $2.28
about 6 pounds today
A British Shilling in 1770 had the purchasing power of about £4.94 GBP today.
One Shilling GBP in 1778 had the purchasing power of about £4.60 GBP today.
It is worth one Kenya shilling.
500 euro
About the same as a british shilling 24 cents a shilling
Such a coin does not exist. There are 2 cent coins, Shilling coins and Two Shillings coins, but no 2 cent Shillings. The cent and the Shilling do not belong in the same currency.
Before England decimalised the Pound, one shilling was worth one twentieth of a pound or 12 pence. Nowadays shillings aren't used, but it would be worth 5 pence of today's decimalised pound.
One Shilling GBP in 1847 had the purchasing power of about £3.00 GBP today.
1962 shilling worth