200mm
cubic centimeter
In UK the 1st class postage stamp measures 24mm high and 20mm across. - as one example Depends on the country, and value.
What was the cost of a postage stamp in 2001
postage stamp
the postage stamp had cost $00.32 in the year 1993
The current cost of a US postage stamp is 44 cents
how much did a postage stamp cost in 2016
To measure the width of a stamp, you would typically use millimeters (mm) as the metric unit. Stamps are generally small, and millimeters provide a more precise measurement than centimeters or meters. For example, a standard postage stamp might measure around 25 mm in width.
The current value for a standard postage stamp is 46 cents.
Right now, a postage stamp is 44 cents.
Austria is not a "postage stamp country". See Related Question, below.