Lab · Calculators

Right triangle calculator

Select known sides or angles and calculate the complete right triangle.

Known values

Select the values you know in the diagram. Their inputs will appear below it.

Length system and unit
Select known sides and angles A right triangle with five buttons positioned next to its sides and acute angles. γ = 90°

Select two known values.

0 selected

Calculated triangle

All sides and angles, with entered values highlighted in red.

Entered Calculated
Calculated triangle Technical drawing of a right triangle dimensioned with three sides, two acute angles, and the right angle. a = ? b = ? c = ? α = ? β = ? γ = 90°

All values

Side a
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Side b
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Hypotenuse c
—
Angle α
—
Angle β
—
Angle γ
—

Method

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Calculations use full precision; only the displayed values are rounded.