180 degrees to radians
Convert 180 degrees to radians — the answer, the arithmetic and the closest common values, all on one page.
Show your work
180 ° × 0.017453 = 3.141593 rad.
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Questions
What is 180 degrees in radians?
180 ° = 3.141593 rad. The arithmetic: 180 ° × 0.017453 = 3.141593 rad.
How precise is this result?
The factor is exact by definition, so the only rounding is the display. Higher precision is available on the ° to rad converter page.
What is 180 rad in °?
180 rad = 10,313.24 ° — the inverse direction.