Reorder Math

Field Notebook 3-pack

Live demo with sample store data. About Reorder Math, plans and install

Suggestions, you decide. Read-only. Reorder Math only suggests — you decide. It never changes your products, inventory, or orders. Showing demo data (preview only).

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Field Notebook 3-pack RM-016 · Summit Supply

OK No order suggested right now.

StepMathResult
Velocity (in-stock days only)56 units ÷ 56 in-stock days (0 stockout days excluded)1 / day
Daily demand variability (σ)sample std. dev. of units/day on in-stock days0
Safety stockz(95%) 1.65 × σ 0 × √lead time 10d = 00 units
Reorder pointvelocity 1 × lead time 10d + safety 010 units
Inventory positionon hand 18 + incoming 018 units
Days of coverposition 18 ÷ velocity 118 days
Order bytoday + ⌊(position 18 − reorder point 10) ÷ velocity⌋, min todayNov 22
Suggested quantitytarget 24 (velocity × (lead 10d + review 14d) + safety) − position 18; MOQ 24, case pack 240 units

Demo stock history — the live app charts your own daily snapshots.

Stock history (60 days) 30 days recorded · 2 at zero · range 0–36
Max 36 on hand
Oct 16: 36Oct 17: 34Oct 18: 32Oct 19: 31Oct 20: 29Oct 21: 27Oct 22: 25Oct 23: 23Oct 24: 22Oct 25: 20Oct 26: 18Oct 27: 16Oct 28: 14Oct 29: 13Oct 30: 11Oct 31: 9Nov 1: 7Nov 2: 5Nov 3: 4Nov 4: 2Nov 5: 0Nov 6: 0Nov 7: 32Nov 8: 31Nov 9: 29Nov 10: 27Nov 11: 25Nov 12: 23Nov 13: 22Nov 14: 20
Sep 16 Nov 14
Red = out of stock that day (excluded from sales-rate math). Gaps = no snapshot that day.