Arcminute to Radian
Convert ′ to rad instantly — free, no sign-up.
—
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.
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.).
How to convert ′ to rad
- Enter the value in ′ in the box above.
- The rad equivalent updates instantly.
- Use the swap button to convert rad back to ′ just as easily.