SI

Global measurement system

SI (Système International) is the International System of Units—the modern metric system used in science and most countries' daily life.

SI units include the meter, kilogram, second, ampere, and kelvin.

Convert to SI units.

SI is also Sports Illustrated magazine. (Lowercase si is a musical note; Si is silicon.)

measurement

metric

Standard of measurement

  • unitsStandard measures of quantity
  • kilogramBase unit of mass
  • meterDevice that measures usage

second · ampere · mole · candela · standardization · precision · metrology · conversion · coherence · traceability

sports

Sports Illustrated

American athletics periodical

cover · subscription · sportsperson · photography · annual · edition · feature · rookie · franchise · preview

Categories
Opposites
measurement system

SIimperial

Relating to supreme rule

imperial system · imperial units · English units · foot-pound-second · avoirdupois

musical solfège syllables

SIdo

Perform an action

fa · re · mi · sol · la

Phrases
Family

sis, sine

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Abstract · Rated G