Square & Diagonal Calculator

Servellon Concrete Services

1. Corner-to-Corner (Diagonal)

Enter the two sides. Both diagonals should read the same number.

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in
ft
in
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Enter both sides to get the diagonal.

2. Survey Number → Tape Measure

Plot plans write feet as decimals, like 142.03. Get the tape reading.

ft
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Enter a decimal-foot number.

3. 3-4-5 Square Check

Pick how long you want the short leg along one wall. Measure the other two, and the corner is square.

ft
in
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Enter the short leg to get the 4 side and the 5 diagonal.