Formulas, metrics, and core concepts for managing stock: reorder points, safety stock, turnover, valuation, and more.
A practical cycle counting guide: the methods, a step-by-step process, a worked example with the counts-per-day formula, and how to measure record accuracy.
Par levels in inventory tell you when to reorder and how much to hold. Get the formula, a worked example, and how to set them without guessing.
A min/max inventory system tells you when to reorder and how much to order. Here is how to set your min and max levels, with a formula and a worked example.
A practical guide to the two-bin (kanban) inventory system: how it works, how to size each bin with a real formula, and where it beats min/max.
FIFO vs LIFO inventory costing decides your COGS, profit, and tax bill. See a worked example with real numbers, the IFRS rule that bans LIFO, and how to pick.
FEFO (first expired, first out) rotates stock by expiry date, not arrival date. Learn the method, a worked example, the decision rule, and how to run it without spreadsheets.
Dead stock (obsolete inventory) quietly eats your cash and shelf space. Here is how to define it, calculate what it costs you, and clear it before it piles up.
Safety stock vs reorder point, explained with formulas and a worked example. Learn what each number does, how they connect, and exactly when to adjust each one.
Landed cost is the real per-unit price of your inventory once shipping, duties, and fees are counted. Here's the formula, a worked example, and how to allocate it.
Inventory shrinkage is the gap between the stock you recorded and the stock you actually have. Here is the formula, a worked example, and the fixes that work.
Lot and batch tracking ties every unit back to its production run or supplier delivery. Learn how to set it up, run faster recalls, and manage expiry.
A practical guide to serial number tracking: what to capture, where units get lost, serial vs lot tracking, and a worked traceability example you can copy.