Vehicle Data
Days Supply Calculator
What does the Days Supply Calculator do?
Turn units in stock and units sold into days of supply, with a plain read on whether that is thin or overstocked. Customers trust the rep who knows the car. This tool pulls real vehicle data so you can answer with confidence and build value.
Try it now
Days Supply Calculator
Enter units in stock and units sold over a recent window. See days of supply at the current pace and a plain read on whether that is thin or overstocked.
Current inventory for this model
Sold in the window below
Length of the sales window
Days supply
60 days
Units sold / day
0.20
Units in stock
12
Rule-of-thumb read only: 30 and 75 days are guide rails, not a hard company standard. A slow luxury unit and a fast-turning economy car do not carry the same healthy range.
How to use it
- Enter your numbers or details in the tool above.
- Read the result instantly, no signup and nothing to install.
- Use it live with your customer to build trust and move the deal.
Common questions
What is the Days Supply Calculator?
Turn units in stock and units sold into days of supply, with a plain read on whether that is thin or overstocked. It is a free tool from JOEY for the individual car salesperson, and it runs right here in your browser.
Is the Days Supply Calculator free?
Yes. The Days Supply Calculator is free to use with no signup. JOEY also offers a full personal sales assistant if you want it to work your follow-up for you.
Who is the Days Supply Calculator for?
It is built for the car salesperson who wants an edge, not for a corporate rollout. Customers trust the rep who knows the car. This tool pulls real vehicle data so you can answer with confidence and build value.
Related tools
- Holdback Estimator Estimate the manufacturer holdback on a deal so the invoice-price math finally makes sense
- Recall Lookup Spot open recalls on a trade to open the upgrade conversation
- VIN Decoder Read year, make, plant, and check digit straight off the VIN
- Cost of Ownership Show fuel and ownership savings to close the value shopper
Want JOEY to do the work for you?
These free tools are a taste. JOEY is a personal sales assistant that works your follow-up, texts, emails, and call prep so you sell more every day.