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Alpha Natural Resources Inc (NYSE:ANR)
Days Inventory
26.44 (As of Mar. 2014)

Alpha Natural Resources Inc's inventory for the three months ended in Mar. 2014 was \$304 Mil. Alpha Natural Resources Inc's cost of goods sold for the three months ended in Mar. 2014 was \$1,046 Mil. Hence, Alpha Natural Resources Inc's days inventory for the three months ended in Mar. 2014 was 26.44.

Alpha Natural Resources Inc's days inventory declined from Mar. 2013 (32.32) to Mar. 2014 (26.44).

Inventory can be measured by Days Sales of Inventory (DSI). Alpha Natural Resources Inc's days sales of inventory (DSI) for the three months ended in Mar. 2014 was 24.88.

Inventory turnover measures how fast the company turns over its inventory within a year. Alpha Natural Resources Inc's inventory turnover for the three months ended in Mar. 2014 was 3.44.

Inventory to revenue ratio determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Alpha Natural Resources Inc's inventory to revenue ratio for the three months ended in Mar. 2014 was 0.27.

Definition

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Alpha Natural Resources Inc's Days Inventory for the fiscal year that ended in Dec. 2013 is calculated as

 Days Inventory = Inventory / Cost of Goods Sold * Days in Period = 304.863 / 4704.075 * 365 = 23.66

Alpha Natural Resources Inc's Days Inventory for the quarter that ended in Mar. 2014 is calculated as:

 Days Inventory = Inventory / Cost of Goods Sold * Days in Period = 303.92 / 1045.98 * 91 = 26.44

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Explanation

An increase of Days Inventory may indicate the company's sales slowed.

1. Inventory can be measured by Days Sales of Inventory (DSI).

Alpha Natural Resources Inc's Days Sales of Inventory for the three months ended in Mar. 2014 is calculated as

 Days Sales of Inventory (DSI) = Inventory / Revenue * Days in Period = 303.92 / 1111.773 * 91 = 24.88

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Alpha Natural Resources Inc's Inventory Turnover for the three months ended in Mar. 2014 is calculated as

 Inventory Turnover = Cost of Goods Sold / Average Inventory = 1045.98 / 303.92 = 3.44

3. Inventory to Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Alpha Natural Resources Inc's Inventory to Revenue for the three months ended in Mar. 2014 is calculated as

 Inventory to Revenue = Inventory / Revenue = 303.92 / 1111.773 = 0.27

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Be Aware

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.

Related Terms

Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Alpha Natural Resources Inc Annual Data

 Dec04 Dec05 Dec06 Dec07 Dec08 Dec09 Dec10 Dec11 Dec12 Dec13 DaysInventory 17.46 37.78 12.08 14.23 15.81 35.63 24.40 30.51 25.00 23.66

Alpha Natural Resources Inc Quarterly Data

 Dec11 Mar12 Jun12 Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 DaysInventory 25.32 30.55 27.77 29.16 33.22 32.32 27.56 24.34 27.25 26.44
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