Tudor arch calculator

A Tudor arch has four circular arcs: two small shoulders and two larger arcs meeting at a pointed crown. BrickCore uses a fixed construction with shoulder radius equal to half the rise, calculating all four centres, bricks, joints and cutting dimensions.

Enter, check and download

Enter span, rise, brick size and joint. Use the shared 2D and 3D workspace. The PDF includes the calculated layout and scaled cutting templates. The free Dutch guide explains manual setting out in 20 steps using your dimensions.

Tudor arch, four-centred arch

Tudor arch calculator

Which dimensions do you enter?

Enter the clear opening and rise to the inner point. Choose brick size, arch-ring depth and joint. BrickCore uses a fixed Tudor construction with the small radius equal to half the rise.

How does the brick layout work?

Two smaller circular arcs form the shoulders and two larger arcs meet at the point. Setting out requires all four centres. An ordinary pointed arch uses two circular arcs and is a different construction.

Worked example

For a 160 cm opening and 50 cm rise, the small radius in this construction is 25 cm. The remaining centres and radii follow from the same construction and are shown in the calculation.

From calculation to PDF worksheet

A free account lets you view the calculation and drawing. The PDF contains calculated dimensions and cutting profiles; a download costs one credit. Follow the scale on the worksheet. Print full-size cutting templates at 100% with ‘fit to page’ disabled.

Read the free manual setting-out guide (Dutch)