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Inventory reorder point calculator
The classic formula: reorder point = (lead time × daily demand) + safety stock. Enter your numbers for any part and get a reorder point you can actually trust.
Parts to analyse
Add each part with avg daily demand, supplier lead time and your preferred safety buffer.
Part
Daily demand
Lead days
Safety days
ROP
64
42
45
Formula: Reorder Point = (Daily Demand × Lead Time) + Safety Stock. When current stock hits the ROP, place an order. Safety stock covers supply delays and demand spikes.
Engine oil 5W-30 (1L)
64
units = reorder
Lead-time demand40
Safety stock24
Max stock target128
Brake pad set (front)
42
units = reorder
Lead-time demand30
Safety stock12
Max stock target84
Air filter
45
units = reorder
Lead-time demand35
Safety stock10
Max stock target90
Automate reorder across every SKU
GetAFix computes reorder points dynamically from real workshop consumption — and can auto-trigger POs.