Mathematics
Use this degree-radian converter to calculate convert degrees to radians and radians to degrees.
Calculator
Choose what you want to calculate, enter realistic values, adjust units where shown, and use the scenario section for repeated-use planning.
This calculator applies the formula Radians = degrees x pi / 180. Enter each value with the matching unit, and AZCalculate updates the result instantly.
Current
Projected
Adjusted
Sign in to save this calculation and access it later.
Trust note
This calculator follows the shown formula and is intended for everyday reference, learning, and quick checks.
Radians = degrees x pi / 180
This calculator applies the formula Radians = degrees x pi / 180. Enter each value with the matching unit, and AZCalculate updates the result instantly.
Assumptions
Avoid mistakes
Follow the reasoning, not only the final number.
Enter the known values in the calculator fields.
Starting with clearly defined values and units prevents the most common calculation errors.
Keep the units consistent with the labels shown beside each input.
This step transforms the known values into the form required by the formula.
Apply the formula: Radians = degrees x pi / 180.
This step transforms the known values into the form required by the formula.
Review the primary result and supporting values.
Compare the result with your real-world goal, such as convert angles.
Worked example
Degrees to radians: 3.14 rad; Radians to degrees: 180 degrees
Calculator guide
Convert degrees to radians and radians to degrees. This page includes an interactive calculator, concise formula notes, worked examples, FAQs, related calculators, and practical guidance you can revisit whenever needed.
References
We work hard to keep every calculator accurate and useful. If you notice a calculation error, missing option, or unclear explanation, please let us know so we can review and correct it promptly.
Usage information loads after the calculator is ready.
FAQ
It uses Radians = degrees x pi / 180 and calculates the result from the values you enter.
Yes. AZCalculate calculator pages include copy, share, and print actions.
Steps help you see whether the formula, substitutions, and arithmetic all match the problem.
Use the calculator mode that matches the problem and keep values consistent.
Use it as an estimate and compare it with the formula, assumptions, and examples shown on the page.
Real-world inputs can include local rules, changing rates, measurement tolerances, and conditions outside the core formula.
Enter the known values requested by the calculator. Use the unit selectors where available and make sure the values describe the same scenario.
The calculator follows the formula shown on this page. Accuracy depends on the values, units, assumptions, and rounding used in your scenario.
Related tools
Continue with closely related tools selected from the same subject and matching calculation needs.
Calculate missing angle and angle conversions for triangles.
Calculate sine from degrees and radians.
Calculate cosine from degrees and radians.
Calculate tangent from degrees and radians.
Convert decimal values to percentages, fractions, and rounded numbers.
Calculate inverse sine, inverse cosine, and inverse tangent in degrees.
Calculate perimeter or circumference for rectangles, triangles, and circles.
Add, subtract, multiply, divide, simplify, and compare two fractions.
