Calculators for the numbers buyers ask about — shipping, packing and specs. No sign-up; everything runs in your browser.
How many cartons fit in a 20GP, 40GP and 40HQ, by space and by payload, and how many containers an order needs.
OpenChargeable weight for express (÷5000), air (÷6000) and sea LCL (W/M), in cm/kg or in/lb.
OpenGauge to mm and back for mild steel, galvanized, stainless and aluminium, gauges 3–30.
OpenEstimate how much size-related returns cost you, and what clear dimensions on the photo could save.
Open