A demand-variability and purchasing desk for small operators with supplies that can stop a job.
A reorder watch for supply-dependent small businesses$6.99 / month after a 7-day free trial · Eligible new members · Cancel online in one click
Stock cover and reorder timingPRIVATE WORKSPACE · MEMBERS ONLY
A stock and expiry view plus a replenishment path with a readable demand-days axis, a calculated reorder trigger, and directly draggable stock, lead, review, and variability assumptions.
See membership and trialEach capability has its own job, inputs, method, and reviewable output. Your member workspace keeps the work, its assumptions, and its next step together.
Compare usable units, demand cover, the calculated reorder trigger, lead time, review interval, safety buffer, pack size, and expiry. Drag the stock, lead, review, or weekly-variability marker directly on the labeled demand-days path; the same assumptions feed the saved reorder handoff. A positive weekly-use baseline and whole-unit pack are required before an order signal is shown.
Stock OrbitCalculate a periodic-review replenishment point using average demand and lead time plus the review interval, variation, incoming stock, commitments, pack size, MOQ, and unit cost. Treat the result as a draft until the physical count and supplier terms are verified.
Variability-aware reorderCompare the modeled net replenishment need across written quotes, including each supplier’s case-pack rounding, minimum order, freight, lead time, landed unit cost, usable stock-cover deadline, and available cash. Prepare a manager-reviewed request only; no order is placed.
Supplier comparisonCompare on-hand units with booked work and other use through the lead window. Show the remaining gap or surplus after confirmed inbound, with replacement exposure and explicit receipt-timing limits.
Runout & shelf-life watchCombine job demand, usable stock, committed stock, safety buffer, and pack size into a per-item pick list and suggested replenishment quantity.
Job kit plannerProject use forward in date intervals, drawing from the earliest-expiring usable lot first. Identify expired lots for a human hold check; if any positive lot lacks a date, withhold the combined exposure estimate. This is inventory planning, not a chemical safety decision.
Expiry rotationThese are static demonstrations using invented sample details. The interactive tools, saved analyses, and account history live inside the paid workspace.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
21.0 days of entered demand cover · supplier lead + review window 15.0 days.
STOCK ORBIT Usable stock: 18.0 units Average use: 6.0 units/week Weekly use coefficient of variation: 25.0% Supplier lead + review window: 15.0 days Modeled variability buffer: 3.6 units Modeled reorder threshold: 16.5 units Suggested quantity rounded to entered pack: 0.0 units Illustrative purchase cost: $0.00 Estimated demand before nearest expiry: 18.0 units over 35.0 days Daily sigma is estimated from weekly-total CV as weekly mean × CV ÷ √7, assuming stable, independent daily demand. Use daily history for trend or autocorrelation. This is planning sensitivity, not a forecast or guarantee. In Reorder Model, confirm the exact item/SKU and unit yourself, then verify physical counts, lot usability, supplier minimums, current terms, taxes, and cash before ordering.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
Protection horizon 13.0 days (6.0 supplier lead + 7.0 review) · net inventory position 10.0 units after confirmed incoming and commitments · physical cover before dated incoming 4.2 days.
ITEM / SKU: DF-NC-32 · neutral cleaner 32 oz MODEL Expected demand during lead + review: 15.6 units Safety buffer from entered variation: 4.8 units Reorder point: 20.4 Net inventory position (on hand + confirmed orders - committed): 10.0 Suggested pack/MOQ-rounded quantity: 11 Estimated buy cost: $88.00 Physical cover before dated incoming (on hand - committed): 4.2 days Normal-demand approximation assumes independent daily demand and supplier lead-time variation. Confirm incoming arrival dates; physical cover excludes undated incoming stock. Verify same item/unit, count, shelf life, supplier terms, and cash before ordering. Target 95% is a planning input, not a guaranteed fill rate.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
A: buy 24 units (MOQ 12 / pack 1) - cash out $198.00 - lead 4 d · within 5 d cover - within cash limit ($198.00). B: buy 48 units (MOQ 48 / pack 1) - cash out $383.20 - lead 9 d · after 5 d cover - over cash limit ($383.20).
PURCHASE REQUEST · MANAGER REVIEW · NOT SENT ITEM / SKU: DF-NC-32 · neutral cleaner 32 oz Stock cover remaining: 5 days (entered planning estimate) Net modeled replenishment need: 24 units before supplier-specific case rounding SUPPLIER A: $8.25 landed/unit; buy 24 (MOQ 12 · pack 1); total $198.00; lead 4 d · within 5 d cover; within cash limit ($198.00) SUPPLIER B: $7.98 landed/unit; buy 48 (MOQ 48 · pack 1); total $383.20; lead 9 d · after 5 d cover; over cash limit ($383.20) Decision candidate: Supplier A. Before creating an order, confirm exact SKU and equivalent quality, usable physical stock, quote validity, taxes, freight, return terms, supplier availability, and manager approval. Case quantities and minimums are supplier-specific. Record the confirmed order and receipt separately; nothing is purchased here.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
Booked-job demand 15.4 units · other use through 6.0-day lead 4.8 · on-hand 12.0 · confirmed incoming 8.0. 0.2-unit gap remains after all confirmed incoming is counted.
SUPPLY CHECK · AGGREGATE THROUGH LEAD WINDOW Booked-job demand: 15.4 units Other use through 6.0 days: 4.8 units Total modeled demand: 20.2 units Usable on hand: 12.0 units On-hand gap before counting inbound: 8.2 units · replacement exposure $65.60 Confirmed incoming: 8.0 units Projected balance after modeled demand + all confirmed incoming: SHORT 0.2 units · replacement exposure $1.60 TIMING GATE: This is a total-window comparison, not a day-by-day stock ledger. Confirm each incoming ETA against booked-job dates before counting it; the result cannot tell whether stock runs out before a receipt arrives. Shelf-life screen: 0.0 units by average daily use only; replacement exposure $0.00. This screen uses average daily use only; it does not allocate booked jobs or lots by date. Verify lot labels and rotate stock before changing, quarantining, or discarding it.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
Filter cartridges · demand 16 units + 4 safety stock · 8 free units after commitments.
PICK / REORDER · Filter cartridges Planning window: 14 days Booked-job demand: 2 × 8 = 16 units Safety stock: 4 units Usable on hand: 11 − 3 committed = 8 units Pick list: 8 units Suggested order: 12 units (6 per supplier pack) · modeled cost $90.00 Verify physical counts, supplier minimums, lead time, expiry, and available cash before placing an order.
ILLUSTRATIVE EXAMPLE · NOT LIVE DATA
Neutral cleaner - 2 positive lot(s) - sequential first-expiring-first-out demand model at 5 unit(s) / week from 2026/09/29.
ROTATION CHECK - Neutral cleaner Review physical labels and local storage guidance. Pick stock using earliest verified expiry first. Lot 1 - 2026-10-20: 0.0 at-risk units after FEFO demand through labeled date Lot 2 - 2026-11-30: 0.0 at-risk units after FEFO demand through labeled date This simple model allocates projected use through each labeled date in expiry order. It assumes constant use, known lots, and uninterrupted FEFO rotation; unknown dates withhold the combined estimate. Verify dates, product condition, storage requirements, demand changes, manufacturer guidance, and supplier rules before using, quarantining, or discarding any stock. This is not a product-safety determination.
Account for variable demand, supplier lead time, commitments, pack sizes, and shelf life before making the purchase call.
Use the numbers, dates, choices, and context specific to the decision in front of you.
Every tool explains its calculation or sorting method and flags assumptions that need a human check.
Members can save results to their private workspace, revisit past work, and build a repeatable process.
Membership includes all 6 specialist tools, the service-specific Operations Desk, account-synced work queues, saved analysis history, service insights, and a field method guide.
Import a supported file or start with your service details, then generate a prioritized, service-specific action pack you can review, save, and export.
A payment method is collected at secure checkout. Trial eligibility and the exact renewal date are shown before checkout. Cancel from Account before the trial ends to avoid the first monthly charge.
Eligible new members receive seven days of access. Checkout displays the renewal date and monthly price before a payment method is submitted.
Yes. Sign in, open Account, and use the cancellation control. Renewal turns off in one step; access continues through the current paid period.
No. Every public example uses illustrative data. Your saved analyses are private to your account.
Review the calculation, save it with related service history, and export a service-specific action pack. You choose what to apply next.