45 Degrees to Radians
45 degrees equals π/4 radians (approximately 0.7854 radians).
How to use this tool
- Enter angle and from unit in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your radians and the full breakdown beneath it.
Convert 45 degrees to radians — 45° equals π/4 or about 0.785 radians.