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Shopify · inventory · low-stock alerts
Shopify Low-Stock Runway & Reorder Point Calculator
Estimate days until stockout, a lead-time-aware reorder point and a target replenishment quantity from current inventory, average daily sales, lead time and safety stock.
$0 · no signupBrowser localNo store credentials$5 / $50 / $99
Primary query: Shopify low stock calculator reorder point days until stockout · Updated 2026-09-07
Immediate answer
Find the expensive exception before it spreads.
Enter current stock, recent average daily sales, supplier lead time and safety stock. The calculator estimates depletion runway and a reorder point so you can see whether a paid low-stock alert is worth automating or whether a simple manual review is enough at your current volume.
Free browser-local input
No account connection. No password. No API token. Inputs and calculations stay in this page.
Result
ABOVE REORDER POINT15.0 days of stock at current velocity
Lead-time-aware reorder point 100 units · current stock 120 · modeled replenishment to cover lead time + 30 target days: 220 units.
- — Uses constant average daily sales; no seasonality or supplier-reliability forecast is inferred.
Free first · exactly three paid steps
$0 → $5 → $50 → $99
Run Shopify Low-Stock Runway & Reorder Point Calculator before paying. The three paid tiers buy bounded written proof, diagnosis or an action pack; they do not silently imply a subscription, deployment, certification or legal/compliance decision.
Paid Proof
$5
A bounded fit / no-fit check plus one concrete blocker or next step.
Bounded deliverable with a product-specific reference.
Buy $5 proofDiagnostic
$50
Up to three evidence-backed findings and a prioritised action path.
Bounded deliverable with a product-specific reference.
Buy $50 proofAction Pack
$99
Up to five prioritised actions plus an acceptance checklist for the next implementation step.
Bounded deliverable with a product-specific reference.
Buy $99 proofSafe intake: do not send passwords, secrets, production credentials, private customer data or sensitive files through the generic proof checkout. Exact scope is confirmed before substantive paid work begins.
Truth boundary
- — This is a deterministic inventory scenario, not a demand forecast or purchase-order recommendation.
- — Seasonality, promotions, supplier reliability, multi-location transfers, minimum order quantities and lost-sales estimates require additional operating context.
Free diagnosis → recurring protection
Do not pay monthly for a one-off calculation.
Use the free app first. Move to a recurring product only when the same storefront or revenue failure needs repeated monitoring.