Free tools
for brands that hold stock.
Calculators for the questions behind every purchase order, price list and stock take — worked out properly, to the cent, with the method shown. No sign-up and no email: everything runs in your browser.
Buying stock
Holding stock
- Reorder point and safety stock calculator When to reorder: lead-time demand plus safety stock for the service level you want, and the cost of running out.
- Inventory turnover and days of inventory calculator Turns, days of inventory, and the cash a faster turn frees.
- Kit and bundle profit calculator A bundle's margin against its parts sold separately, and how many kits your stock builds.
Pricing and selling
- Product pricing and margin calculator Price to a target margin after fees — retail, wholesale and quantity breaks, with break-even.
- Free shipping threshold and DIM weight calculator A free-shipping threshold that pays for itself, and what a box costs by dimensional weight.
- Return and refund cost calculator Both parcels, the fee you don't get back, handling and write-offs: a return's real cost.
- Wholesale vs direct-to-consumer calculator Wholesale and direct side by side, with each channel's true CAC beside the blended one.