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Inleiding

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

Formule

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

Stap voor stap

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

Praktijkvoorbeeld

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

Veelgestelde Vragen

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.

Over Hoekcalculator

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.