Right triangle calculator finds the hypotenuse and angle from two known legs, a general-purpose geometry tool useful for chamfers, tapers, layout, and fixture setups on the shop floor.
Solve a right triangle from its two legs, the everyday shop math behind layout, angle blocks, and checking a part against a print dimensioned with offsets.
Hypotenuse = sqrt(A^2 + B^2). Angle opposite leg A = atan(A / B), measured from leg B.
How it works
Almost every layout problem that involves an offset, a diagonal, or an angled feature reduces to a right triangle. Knowing any two sides gives the third side and both remaining angles through the Pythagorean theorem and basic trig.
FAQ
What if I only have one side and an angle instead of two sides? This calculator is set up for the two-legs case. With a side and an angle, the same trig relationships still apply, just solve for the missing side with sine or cosine first.
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How it works
This is the same relationship, the Pythagorean theorem plus basic trigonometry, that underlies many shop calculations, from chamfer depth versus width to tapers and angled fixture setups. Any right-triangle problem where two of the three sides, or one side and one angle, are known can be solved with the same basic relationships.
FAQ
What shop tasks commonly use this calculation? Chamfer and taper layout, finding the diagonal of a rectangular part or fixture, checking angled cuts, and setting up sine bars or sine plates for precise angles all reduce to right-triangle geometry.
Related Guides
CNC Calculators · Chamfer Calculator · Sine Bar Calculator