C4 Metal Weight Calculator

C4 Metal Weight Calculator is a precision utility built for engineers, metal fabricators, industrial specialists, and procurement managers. Calculate accurate volumetric weights for standard structural profiles and specialized alloys in seconds. Supported Shapes: Round Bar, Square Bar, Rectangle Bar, Hexagonal, Octagonal, Sheet / Plate, Tubular / Pipe, and Ring. Materials & Alloys: Comprehensive density database covering Steel, Aluminum (1100, 6061, 7075), Stainless Steel (300/400 series), Copper, Brass, Cast Iron, Titanium, Nickel, Gold, Silver, and Lead. Dual Unit Outputs: Instant, side-by-side weight readouts in Kilograms (kg) and Pounds (lbs). Smart Unit Caching: Remembers your preferred dimension (mm, inch, cm) and length (m, mm, ft, in) units automatically. Calculation Logs: Save previous estimates to your local history for quick review and comparison.