radian rad

The angle subtended by an arc equal to the radius. SI unit.

Quick convert — radian to popular units

Live converter, three directions. Type any value to update all three.

radian
degree
1 rad = 57.2958°
radian
gradian
1 rad = 63.662gon
radian
minute of arc
1 rad = 3,437.7468′

Conversion table — radian to every Angle unit

All values for 1 rad (forward) and 1 reverse unit → {symbol}.

To / From 1 rad = 1 to-unit =
degree (°) 57.29577951 ° 0.01745329 rad
gradian (gon) 63.66197724 gon 0.01570796 rad
minute of arc (′) 3,437.74677078 0.00029089 rad
second of arc (″) 206,264.8062471 4.848137e-6 rad
turn (tr) 0.15915494 tr 6.28318531 rad

Frequently Asked Questions

What does rad stand for?

radian (rad) is a unit of Angle.

How many rad are in 1 rad?

1 rad = 1 rad, so 1 rad = 1 rad.

Is this the SI base unit?

Yes — radian is the SI base unit for Angle.

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