Metric Unit Calculator
Math calculator

Inverse Sine Calculator

Calculate the principal inverse sine of a ratio and return the angle in degrees.

arcsin value (degrees): -
Visual representation

Inverse Sine Calculator diagram

The diagram updates with your entries and is illustrative, not necessarily drawn to scale.

Calculation explained

How this result was calculated

The formula, your substituted values, and the evaluated result are shown below.

The real-valued input domain is −1 through 1. The principal result lies from −90° through 90°.
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How the Inverse Sine Calculator works

Calculate the principal inverse sine of a ratio and return the angle in degrees.

Formula

arcsin(ratio) × 180 ÷ π

How to use this calculator

  1. Enter every measurement using one consistent length or angle unit.
  2. Select Calculate to evaluate the formula.
  3. Review the substituted values in the calculation explanation.

Interpretation and limitations

The real-valued input domain is −1 through 1. The principal result lies from −90° through 90°. Decimal answers are rounded for display; retain additional precision for subsequent calculations.

Geometry collection

This calculator belongs to the Trigonometry section of the Math calculator library.

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