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Tools & calculators.

Free engineering calculators and reference charts for pipe, plate, bar, flanges and bolting.

Weight per metre and total weight from outside diameter and wall thickness.

Outside surface area for painting, coating and insulation estimates.

Internal volume and water capacity of a pipe run.

Weight of a rectangular plate or sheet.

Weight of solid round bar from diameter and length.

Approximate weight of a plate or slip-on flange from its dimensions.

Hole spacing, chord distance and hole coordinates on a pitch circle.

Tightening torque from bolt load or target stress (K-factor method).

Ring gasket contact area and the bolt load needed to seat it.

Flange, fitting, pipe, gasket and stud bolt dimension charts with PDF downloads.

Send us your drawing or data — our engineers will work out weights, dimensions or bolting for your exact part.

Results are estimates for planning. Confirm critical dimensions and weights against the governing standard and the mill certificate.

Ready to build to spec?

Share your drawing, bill of materials or technical requirements with the Teshi team.