centpence

Centpence is a proposed currency subunit representing one hundredth of a penny in decimalized systems that use the penny as the base unit. In such a scheme there would be 100 centpence per penny and, if pounds are used, 10,000 centpence per pound (since 1 pound equals 100 pence). Its name combines cent-, from Latin centum, with pence, the plural of penny.

Centpence has not been adopted by any country. It appears sporadically in economic literature and hypothetical currency discussions to illustrate how very small subunits could be used for microtransactions or pricing, and in fictional works. It is not standardized or regulated by monetary authorities.

Practical considerations include potential benefits and drawbacks. The main advantage would be finer monetary granularity, which could reduce rounding errors in small transactions and digital accounting. Downsides include increased complexity for coinage or digital systems, potential consumer confusion, and higher costs for minting, production, or system maintenance. Real-world viability would also depend on inflation, price signaling, and transaction costs, and would generally require broad institutional adoption to be sustainable.

Example calculations help illustrate the unit: 1 centpence equals 0.01 pence, and 100 centpence equal 1 penny. A price of 0.99 pence would be 99 centpence, while a price of 1 penny would be 100 centpence.