Radian to Arcminute
Convert rad to ′ instantly — free, no sign-up.
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About the Radian (rad)
The Radian is the SI unit of angle, defined so a full circle equals 2π radians — the natural unit for calculus and most programming math functions (Math.sin, Math.cos, etc.).
About the Arcminute (′)
The Arcminute is one sixtieth of a degree, used in astronomy and optics to describe very small angular separations, like the resolving power of a telescope.
How to convert rad to ′
- Enter the value in rad in the box above.
- The ′ equivalent updates instantly.
- Use the swap button to convert ′ back to rad just as easily.