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Metric Prefixes for SI Units. Prefix. Symbol. Meaning. deci. d. 10 -1. centi. c.
Get a table of the metric prefixes for the powers of 10. The prefixes also express numbers in scientific notation.
Table of metric system prefixes, symbols, and multiplication factors. The metric system defines prefixes and corresponding symbols for positive and negative powers of 10, as applied to each unit of measure.
NIST SI Measurement System Chart (2021) is a colorful chart explaining the 7 base units of the SI, prefix symbols, and features the Measurement League: Guardians of the SI. SI Prefix symbols are featured in the chart and used to represent smaller or larger units by factors that are powers of 10.
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any unit symbol.
Metric Prefix Table. Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.
The SI prefixes are the 20 power-of-10 prefixes specified by the Bureau International des Poids et Mesures (BIPM) for use in the International System of Units (SI).
Here are the metric prefixes, with their numerical equivalents stated in the American system for naming large numbers and the dates of their approval. Before the expansion of the prefix list in 1960 there was a proliferation of double prefixes such as micromicro- for 10 -12 and kilomega- for 10 9.
Name: Prefix: Symbol: Power of ten: septillion: yotta: Y: 24: sextillion: zetta: Z: 21: quintillion: exa: E: 18: quadrillion: peta: P: 15: trillion: tera: T: 12 ...
Similar to the positive powers, the negative power of 10 related to a short scale name can be determined based on its Latin name-prefix using the following formula: 10 − [ (prefix-number + 1) × 3] Examples: billionth = 10 − [ (2 + 1) × 3] = 10 −9. quintillionth = 10 − [ (5 + 1) × 3] = 10 −18. Googol and googolplex. The number googol is 10 100.