Multi-Section BOM Calculator

Build a bill of materials line by line. Totals update instantly. Drafts can be saved in this browser; export to CSV or PDF, or print.

# Mark Section Length (m) Quantity kg/m kg / piece Total length (m) Total mass (kg) Ext. area (m²) Row actions
Totals 0 0.00 0.0 0.00

Total mass: 0.000 t · Internal area (hollow): 0.00 m²

CSV import columns: Mark, Section (designation or id), Length (m), Quantity. A header row is optional.