CalculatorCast

角度計算機

余角と補角を求めます。

はじめに

Angle Calculator — Find the complementary and supplementary angles. Enter Angle (degrees) to get an instant, accurate result.

計算式

Complementary angle = 90° − angle. Supplementary angle = 180° − angle.

ステップごとの説明

  1. Enter the Angle (degrees).
  2. Click Calculate to see your result instantly.

実例

Example: With Angle (degrees) = 30, the Angle Calculator gives Complementary: 60, Supplementary: 150.

よくある質問

What is a complementary angle?
One that adds with the given angle to make exactly 90°.
What is a supplementary angle?
One that adds with the given angle to make exactly 180°.
What inputs does the Angle Calculator need?
You'll need to provide: Angle (degrees). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Angle Calculator?
The Angle Calculator applies the formula exactly as calculated — Complementary angle = 90° − angle. Supplementary angle = 180° − angle. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Angle Calculator free to use?
Yes, the Angle Calculator is completely free, requires no signup, and runs instantly in your browser.

角度計算機について

The Angle Calculator uses a real, verifiable formula — Complementary angle = 90° − angle. Supplementary angle = 180° − angle. — so results are accurate every time, not an approximation.