The radian, or radielic·lengthel

Quantityplane angle
Formal name

radian
radielic·lengthel

Formal abbrrad
rdℓ\lg
Colloquial name
Colloquial abbr
Derivationturn / τ
Derivation abbr⊙/τ
Decompositionradian
Decomposition abbrrad
TGM equiv≈ 0.39ᘔ0582886Ɛ3742z Pi
TGM equiv abbr≈ 0.39ᘔ0582886Ɛ3742z Pi
SI & USC equiv≈ 57.2957795130823d°
≈ 0.1ᘔƐ02ᘔ144357981z turn
scaling02:01:+:00:1.0