Stock Cover Calculator
Calculate days of stock cover, reorder points, and recommended order quantities in under a minute without signing up.
Your Numbers
Type your sales and stock numbers. Calculations update automatically.
units/day
Average sales or consumption per calendar day.
units
units
Planning Parameters
1 to 365 days
days
0 to 180d
days
0 to 90d
days
Current Status:Order now
Example result10Days of Cover
Supplier lead time: 7 days
Stock Position vs MilestonesScale: 0 to 204 units
▲ ROP: 100
▲ Target: 170
On hand: 100
Total position (100) is at or below Reorder Point
Suggested Order Quantity
70units
max(0, 170 target − 100 on hand − 0 on order)
Reorder Point (ROP)
100units
(10 units/day × 7d lead time) + 30 safety stock
Target Stock Level
170units
(10 units/day × (7d lead + 7d review)) + 30 safety stock
Safety Stock Buffer
30units
Average daily demand (10) × Safety stock days (3)
Lead: 7d · Safety: 3d · Review: 7d
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Engine version 1.0.0
Planning estimate. Review with an expert before committing to a building or lease.
10d cover (Order now)