@ziruizhou2026 avatar

Carl Sagan

@ziruizhou2026

Building practical, transparent browser tools for logistics and construction planning.




@ziruizhou2026 avatar
Carl Sagan made Asphalt CalculatorBuilding practical, transparent browser tools for logistics and construction planning.

A free browser-based planning tool for asphalt tonnage and driveway cost estimates. Enter dimensions or area, choose units, adjust thickness, density, waste, and local prices, then review transparent volume, tons, tonnes, and cost results. Built with TypeScript, Next.js, React, T ... more

@ziruizhou2026 avatar
Carl Sagan made Pallet CalculatorBuilding practical, transparent browser tools for logistics and construction planning.

A free browser-based planning tool for warehouse, shipping, and packaging teams. Compare pallet patterns, calculate TI-HI, estimate load height and weight, measure cube utilization, and review container capacity with metric or imperial units. Built with JavaScript and deployed on ... more