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This is a unit-at-a-glance list. You can also download a PDF version for off-line use. Table I. Basic units Table II. Derived units with assigned names Table III a. SI Units prefixes Table III b. Binary prefixes for Bytes Table IV. Accepted non-SI units Table V. Accepted non-SI units with experimental values Table VI. Units deprecated by the SI
The International System of Units (SI) is made up of 7 base units, featured on this chart with their Measurement League counterparts. The SI, commonly known as the metric system, is easy to use.
SI Units. The Prefixes. Conversion. Bits and Bytes. Practice Answers. Resources and Going Further. Introduction. Metric Prefixes are incredibly useful for describing quantities of the International System of Units (SI) in a more succinct manner.
13 Ιαν 2010 · 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.
13 Ιουλ 2022 · SI Prefix symbols featured in the chart are used to represent smaller or larger units by factors that are powers of 10. The chart provides an entertaining way to learn more about the International System of Units (SI).
For simplicity, we usually write units with symbols rather than spelling them out. For example, 5 m is a quantity (length) consisting of the number 5 times the unit meter (m). Write symbols exactly as they appear in the tables. They are sym bols, not abbreviations, and are case sensitive.
SI UNITS Table A1-1. Base Units Table A1-2. Prefixes Multiplication Factor Name Symbol 10 12 tera T 10 9 giga G 10 6 mega M 10 3 = 1000 kilo k 10 2 = 100 hecto h 10 1 = 10 deka da 10-1 = 0.1 deci d 10-2= 0.01 centi c 10-3 = 0.001 milli m 10-6 micro µ 10-9 nano n 10-12 pico p 10-15 femto f Quantity Name Symbol length meter m
