A barbell plate loading calculator for powerlifters. Converts between kg and lbs, showing exactly which plates to load on each side of the bar.

Part of the OpenPowerlifting / PLSource ecosystem of open-source powerlifting tools.

• Convert between kg and lbs with automatic plate rounding
• Visual barbell diagram showing plates to load
• Configurable bar weight, collar weight, and available plates
• Customizable plate colors
• Saves preferences to localStorage

Requires Bun. Either use nix develop or install Bun directly and run bun install.

bun run dev        # Dev server
bun test           # Run tests
bun run typecheck  # Type check
bun run build      # Production build

See LICENSE for details.