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ANGULAR MIL [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2026-04-17

English

Subject field(s)
  • Metrology and Units of Measure
  • Small Arms
  • Field Artillery
DEF

A unit of measure of an angle equivalent to 1/6400 of a circle.

OBS

The "mil" used by the US military and NATO forces is slightly different than the true value of a milliradian, which is equal to 1/6283 of a circle. During World War I, the US adopted what is now the "NATO mil" to replace degrees and minutes for use in artillery sights. They opted to round mils to 6,400 per circle for simplicity at the time. Today, the mil is commonly used to measure adjustment of sights and scopes of firearms.

OBS

angular mil; mil; NATO mil: abbreviations not to be confused with the International System of Units (SI) term "milliradian" (abbreviation "mrad"), which is equal to 1/6283 of a circle.

OBS

mil: designation officially approved by the Small Arms Terminology Working Group.

French

Domaine(s)
  • Unités de mesure et métrologie
  • Armes légères
  • Artillerie de campagne
DEF

Unité de mesure d'angle équivalant à 1/6400 de cercle.

OBS

Le millième angulaire est une unité de mesure d'angle utilisée dans le domaine militaire, surtout pour les instruments d'orientation et de pointage : fusil à précision, réticules de télescope [...]

OBS

millième : désignation à ne pas confondre avec le «millième vrai» du Système international d'unités (SI), abrégé «milli», qui correspond à 1/6283 d'un cercle.

OBS

millième : désignation uniformisée par le Groupe de travail de terminologie des armes légères.

Spanish

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