Flat Annular Sector Casting Material calculator.
Measure a flat ring-sector casting from supplied inner and outer diameters, sweep angle and thickness.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Volume = π(outer diameter² − inner diameter²)/4 × sweep angle/360 × supplied thickness × count. Does not select a structural component, sweep angle, thickness or material performance.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Selected mixed volume yield per kit or bag
- 10 L/bag
- Outer diameter
- 1 m
- Inner diameter
- 0.5 m
- Supplied sector sweep
- 90 °
- Supplied flat thickness
- 50 mm
- Identical sectors
- 1
Selected mixed-material packages: 1 packages
Flat annular sector geometry, not a curved torus or a design for a supporting component. Product suitability, curing, strength and mixing specifications are not selected.
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Does not select a structural component, sweep angle, thickness or material performance.
All dimensions, properties and application patterns are user-supplied. No building-code default is inserted.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-06. Calculation and review policy.
Check your purchase assumptions
Connected work guides and comparisons
Explore casting shells, mould cavities and mixed-material packages