Free supply chain tools
Calculators that answer the questions DTC brands ask us most. Free, no sign-up, and they run in your browser.
Landed cost calculator
Work out what each unit really costs on your shelf: product, freight, duty, customs fees and receiving. Supports LCL, FCL and air, for the US, UK, EU and UAE.
Contribution margin calculator
See CM1, CM2 and CM3 per order after product cost, fulfilment, shipping, returns, payment fees and acquisition cost. Shows your break-even CAC.
Safety stock and reorder point calculator
Work out safety stock and the reorder point for a SKU, accounting for both demand swings and supplier lead time variability.
Cash conversion cycle calculator
See how deposits, payment terms, transit and sell-through tie up cash, and what moving to better terms would free up.
3PL quote comparison calculator
Put up to three 3PL quotes against your own order profile and see the real monthly bill for each, including minimums and shipping.
Supplier total cost of ownership calculator
Compare two suppliers on total annual cost once lead time, MOQ, payment terms and defects are counted, not just unit price.
FBA vs 3PL cost calculator
Compare cost per unit of Amazon FBA against your own 3PL, including storage, placement, prep, inbound freight and shipping.
Container load calculator
See how many cartons fit in a 20ft, 40ft or 40ft high cube, whether weight or space runs out first, and how many containers you need.