# Weeks of Supply Calculation

## Weeks of Supply Calculation

I am looking for a way to calculate a Weeks of Supply number based on inventory level as well as a time-phase demand row WITHOUT just using the average of the demand.

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## Related Tutorials

### Convert Turn Rate to Weekly Supply

A1 = Monthly Inventory Value of 12

A2 = Monthly Cost of Goods Sold of 3

A3 = =A1*12/A2 [this give me the turn rate of: 3

To calculate the weeks supply of product I would use the following formula: =A1/SUM(SUM(A2*12)/52) [this gives me 17.33 weeks supply]

It would be helpful to have a calculation that could arrive at the weeks supply without having to have access to both the Inventory Value or the Cost of Goods Sold.

Is it possible to calculate the Weeks supply with only the turn rate and one of the other two? In other words if all you had was the turn rate and the inventory or just the turn rate and the cost of goods sold, could you come up with the weeks supply?

### if(or...and .....date calculation

Im in the process of calculating sales people tenure and cant seem to get my if statement to function properly.

basically, I have a YTD Hire date in weeks for sales people i.e. 8, 9, 10 all in weeks

I need to calculate their tenure if they qualify for a trip.

basically, if there tenure is less than 26 weeks, then 26 weeks otherwise use their YTD Hire date if it's less than 26

=IF(AND($D$7>=G10,$D$7>26),26,G10)

where

D7 = # of weeks in current year

G10 = YTD Hire date in weeks for sales reps

im just really confused why the if(and or.if(or wont function the way I would like it to. thx you very much!

### Inventory Months Supply Question

I have a spreadsheet with current inventory on hand and the sales for each month from the last year. I want to figure how many months our inventory on hand will last based on the last years sales. For instance, WidgetA has 100 on hand and Mar, Apr, May, Jun & Jul sales were 5,10,15,40,60, respectively. I know that we have 4.5 months supply, but I have to manually figure this calculation. I have more than 400 items. This takes a long time to figure, is there any way to automate the figuring of the months supply?

### Create Calculation to return number of weeks and days

I need to create a formula where it calculates the number of weeks and days between 2 dates.

For example:

A2 = 12/25/08

B2 = 1/30/09

C2 = 5 weeks 1 day

I found example formulas that calculates years, months and days.but no

### Supply Request UserForm to Update Supply Inventory

I am creating a userform for employees to request office supplies. Their requests creates one database so we can see how many supplies are being used, and which departments have the greatest needs.

I have another database of the supply inventory that I would like to be instantly updated with each supply request so that we can tell in real time when we are low on a particular supply.

I have created the userform for requesting the supplies, and have created an inventory database.I'm just not sure how to link the correct fields from the supply request database to the inventory database cells to be updated.anyone have any ideas for me

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