Right-Angle & 3-4-5 Calculator

Square up corners and solve right triangles. Enter two legs to get the exact diagonal, then optionally enter your measured diagonal to confirm a true 90° corner — the same 3-4-5 method, with the math done for you at any size.

Legs

Leg A (ft)

Leg B (ft)

Measured Diagonal (ft)

Enter your tape diagonal to verify a 90° corner

Result

Enter both legs to calculate

Run your whole job on the same numbers

These NORDIX tools are a taste of the full platform — bid pipeline, estimating, and job costing that carry your numbers from the first bid to the final invoice.

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