Indian 1-rupee coin

One rupee coin
India
Value1
Mass3.09 g
Diameter20 mm (0.79 in)
CompositionStainless steel
Years of minting1950 (1950)–present
Mint marks⧫ = Mumbai
B = Mumbai Proof issue
* = Hyderabad
° = Noida
No mint-mark = Kolkata
Obverse
DesignerRBI
Design date2011
Reverse
DesignerRBI
Design date2011

The Indian 1-rupee coin (₹1) is an Indian coin worth one Indian rupee and is made up of a hundred paisas. Currently, one rupee coin is the smallest Indian coin in circulation. Since 1992, one Indian rupee coins are minted from stainless steel. Round in shape, the one rupee coins weighs 3.76 grams (58.0 grains), has a diameter of 21.93-millimetre (0.863 in) and thickness of 1.45-millimetre (0.057 in). In independent India, one rupee coins was first minted in 1950 and is currently in circulation.