How to Calculate Reorder Point (Formula, Examples & Safety Stock)
The reorder point formula with worked examples, plus how to set safety stock so you reorder on time without stocking out or overstocking.
Ryan WaranauskasJun 16, 20265 min readNever sell out. Never overstock.
Playbooks on demand forecasting, reorder timing, and never selling out — for DTC operators on TikTok Shop, Shopify, and Amazon.
Ryan WaranauskasJun 16, 20265 min readHow to Calculate Inventory Turnover (Ratio, Formula & Examples)
How to calculate inventory turnover ratio with the formula, worked examples, what a good ratio looks like by industry, and how to improve it.
Ryan WaranauskasJun 15, 20263 min readSafety Stock Formula: How to Calculate It (3 Methods + Examples)
The safety stock formula explained three ways: basic, service-level (Z-score), and demand plus lead-time variability, with worked examples and a Z table.
Ryan WaranauskasJun 16, 20265 min readEconomic Order Quantity (EOQ) Formula: How to Calculate It
The EOQ formula explained: how to calculate the economic order quantity that minimizes ordering and holding costs, with a worked example and its limits.
Ryan WaranauskasJun 14, 20263 min readPar Level Inventory: What It Is and How to Calculate It
What par level inventory means, the par level formula, a worked example, and how par levels differ from reorder points, for DTC and retail stock.
Ryan WaranauskasJun 13, 20263 min read