Arcsin Calculator
Enter the values needed for arcsin in the Arcsin. The explanation below the tool shows what the result represents.
Angle
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Degrees—
Radians—
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How to use the Arcsin
Enter the requested values and start with one realistic example. Read the result together with its unit or label, then change one input at a time if you want to compare options.
Review the assumptions on the page and confirm any result that affects money, safety, technical work or another important decision.
Frequently Asked Questions
What does it return?
The angle whose arcsin matches your value, shown in both degrees and radians.
What values are allowed?
For this inverse function the input must be between -1 and 1.
Can I use the result as an exact answer?
Treat it as an estimate or check unless the page and the rules that apply to you confirm otherwise. Rounding, fees and personal details can change the final result.