Wheat cents were made from 1909 to 1958 at 3 different mints so it's not possible to give more than a very general answer without more specific information.
Common date circulated wheat cents are worth 2 to 3 cents apiece.
However there are some rarer wheat cents that can be worth several hundred dollars. You're not likely to find them in change, but if you've inherited someone's collection it's worth it to go through the coins to see what you have.
You need to organize the coins by date and mint mark. Look below the date to see if there is a small D or S indicating Denver or San Francisco. Cents without a mint mark were made in Philadelphia. Then check the price guide at the Related Link below for specific retail values.
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Or see this site for more details http://sammler.com/coins/wheat_pennies.htm
Most of them are worth face value, i.e. one cent. A few specifically rare ones are worth more. You should take it to a dealer if you want an estimate.
The last "Wheat Penny" was made in 1958, a cent date 1972 is just a cent.
Yes, 1 cent.
One cent
A 1942 US Wheat cent is common, average value is 3 cents.
Your coin is called a wheat EAR cent or simply a wheat cent. Please see the Related Question for more information.
It's a Lincoln cent with a wheat reverse. Value is 3 to 10 cents
one cent
There is no such coin. Wheat cents were struck from 1909 to 1958. If you have an 1899 cent it is an Indian Head cent, not a wheat cent. Please see the related question for values.
The last wheat cents were made in 1958.
Wheat cents can be found in circulation. The least is .15 and the most is $3.
Please check your coin again. The last wheat cents were minted in 1958.
Please check your coin again. Wheat cents were made from 1909 to 1958. A half-dollar sized cent dated 1851 is a Large Cent or Liberty cent.