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Westport Innovations Inc (NAS:WPRT)
Days Inventory
113.95 (As of Mar. 2014)

Westport Innovations Inc's inventory for the three months ended in Mar. 2014 was \$37.1 Mil. Westport Innovations Inc's cost of goods sold for the three months ended in Mar. 2014 was \$29.7 Mil. Hence, Westport Innovations Inc's days inventory for the three months ended in Mar. 2014 was 113.95.

Westport Innovations Inc's days inventory declined from Mar. 2013 (199.73) to Mar. 2014 (113.95).

Inventory can be measured by Days Sales of Inventory (DSI). Westport Innovations Inc's days sales of inventory (DSI) for the three months ended in Mar. 2014 was 80.60.

Inventory turnover measures how fast the company turns over its inventory within a year. Westport Innovations Inc's inventory turnover for the three months ended in Mar. 2014 was 0.80.

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. Westport Innovations Inc's inventory to revenue ratio for the three months ended in Mar. 2014 was 0.89.

Definition

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

Westport Innovations 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 = 40.626 / 148.69 * 365 = 99.73

Westport Innovations 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 = 37.13 / 29.651 * 91 = 113.95

* 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).

Westport Innovations 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 = 37.13 / 41.923 * 91 = 80.60

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

Westport Innovations Inc's Inventory Turnover for the three months ended in Mar. 2014 is calculated as

 Inventory Turnover = Cost of Goods Sold / Average Inventory = 29.651 / 37.13 = 0.80

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.

Westport Innovations Inc's Inventory to Revenue for the three months ended in Mar. 2014 is calculated as

 Inventory to Revenue = Inventory / Revenue = 37.13 / 41.923 = 0.89

* 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.

Westport Innovations Inc Annual Data

 Mar04 Mar05 Mar06 Mar07 Mar08 Mar09 Mar10 Mar11 Dec12 Dec13 DaysInventory 0.00 22.76 10.87 26.78 67.16 56.07 35.40 67.42 160.07 99.73

Westport Innovations Inc Quarterly Data

 Dec11 Mar12 Jun12 Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 DaysInventory 0.00 143.91 161.50 192.87 0.00 199.73 182.94 157.33 53.07 113.95
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