Enter your average daily sales, supplier lead time, safety stock buffer, and unit cost. See lead time demand, reorder point in units and dollars, days of cover at reorder, and how long your safety buffer lasts at peak sales. Order at the right time, not too early and not too late.
Best for
Decide how much stock or cash to commit by testing demand, reorder, and carrying-cost assumptions. It covers Find the exact inventory level to place a new order — balance stockouts against carrying costs using lead time demand plus safety stock.
Instant calculations · Editable fee assumptions · Export-ready results
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Average units sold per day
Peak daily sales for safety stock context
Days from placing order to receiving stock
Buffer stock from safety stock calculator, or enter manually
Purchase or manufacturing cost per unit
Live estimates based on your inputs and editable fee assumptions.
Lead time demand
70
Units needed to cover supplier lead time.
Safety stock
30
Buffer units held.
Reorder point (units)
100
Order when inventory hits this level.
Reorder point value
$1,250.00
Dollar value tied at reorder point.
Days of cover at reorder
10
Reorder point divided by avg daily sales.
Safety stock coverage at peak
1.67
How many peak days safety stock covers.
What this means
Lead time demand 70 units. Reorder at 100 units = $1250.00 value. 10.0 days cover vs 7-day lead. Safety covers 1.67 days at peak.
Interactive breakdown of fees, costs, and remaining profit.
Distribution
Total $100.00 · 2 segments · interactive
Dollar amounts, share of revenue, and visual proportion.
Assumptions used
Recommended next step
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Explore General BusinessGenerated 9/16/2026, 7:46:33 AM · Currency USD
Lead time demand 70 units. Reorder at 100 units = $1250.00 value. 10.0 days cover vs 7-day lead. Safety covers 1.67 days at peak.
How it works
This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.
Sources & review
This calculator is intentionally platform-agnostic, so it does not attach a platform fee URL.
No single official fee page is attached here. The model keeps these inputs editable so you can use the terms that apply to your situation.
This model uses editable planning assumptions. Confirm tax, payment, financing, or operating terms with the relevant provider, official authority, or adviser for your situation.
Defaults are editable estimates. Match them to your current account, provider statement, official authority, lender, or adviser before making a pricing or investment decision.
Calculator model reviewed: August 9, 2026. This date covers the page and calculator guidance, not a guarantee that every live platform rate or term was re-audited on that date.
Worked example
You sell 10/day average, 18/day peak, lead time 7 days, safety stock 30, cost $12.50. Lead time demand 10×7=70. Reorder point 100 units. Value $1,250. Coverage 10 days total, safety covers 1.67 days at max 18/day.
FAQ
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