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Proto Labs Inc  (NYSE:PRLB) Inventory Turnover: 3.90 (As of Jun. 2017)

Inventory turnover measures how fast the company turns over its inventory within a year. It is calculated as Cost of Goods Sold divided by Total Inventories. Proto Labs Inc's Cost of Goods Sold for the three months ended in Jun. 2017 was \$35.7 Mil. Proto Labs Inc's Total Inventories for the quarter that ended in Jun. 2017 was \$9.1 Mil. Proto Labs Inc's inventory turnover for the quarter that ended in Jun. 2017 was 3.90.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Proto Labs Inc's Days Inventory for the three months ended in Jun. 2017 was 23.37.

Total Inventories can be measured by Days Sales of Inventory (DSI). Proto Labs Inc's days sales of inventory (DSI) for the three months ended in Jun. 2017 was 10.16.

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. Proto Labs Inc's Inventory-to-Revenue for the quarter that ended in Jun. 2017 was 0.11.

Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

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Proto Labs Inc Annual Data

 Dec09 Dec10 Dec11 Dec12 Dec13 Dec14 Dec15 Dec16 Inventory Turnover 11.85 12.55 14.29 13.74 13.74

Proto Labs Inc Quarterly Data

 Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 Jun14 Sep14 Dec14 Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17 Inventory Turnover 3.30 3.37 3.33 3.82 3.90

Calculation

Proto Labs Inc's Inventory Turnover for the fiscal year that ended in Dec. 2016 is calculated as

 Inventory Turnover (A: Dec. 2016 ) = Cost of Goods Sold / Total Inventories = Cost of Goods Sold (A: Dec. 2016 ) / ( (Total Inventories (A: Dec. 2015 ) + Total Inventories (A: Dec. 2016 )) / 2 ) = 131.118 / ( (9.771 + 9.31) / 2 ) = 131.118 / 9.5405 = 13.74

Proto Labs Inc's Inventory Turnover for the quarter that ended in Jun. 2017 is calculated as

 Inventory Turnover (Q: Jun. 2017 ) = Cost of Goods Sold / Total Inventories = Cost of Goods Sold (Q: Jun. 2017 ) / ( (Total Inventories (Q: Mar. 20 ) + Total Inventories (Q: Jun. 2017 )) / 2 ) = 35.671 / ( (8.943 + 9.327) / 2 ) = 35.671 / 9.135 = 3.90

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

Explanation

Inventory Turnover measures how fast the company turns over its inventory within a year. A higher inventory turnover means the company has light inventory. Therefore the company spends less money on storage, write downs, and obsolete inventory. If the inventory is too light, it may affect sales because the company may not have enough to meet demand.

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

Proto Labs Inc's Days Inventory for the three months ended in Jun. 2017 is calculated as:

 Days Inventory = Total Inventories (Q: Jun. 2017 ) / Cost of Goods Sold (Q: Jun. 2017 ) * Days in Period = 9.135 / 35.671 * 365 / 4 = 23.37

2. Total Inventories can be measured by Days Sales of Inventory (DSI).

Proto Labs Inc's Days Sales of Inventory for the three months ended in Jun. 2017 is calculated as:

 Days Sales of Inventory (DSI) = Total Inventories (Q: Jun. 2017 ) / Revenue (Q: Jun. 2017 ) * Days in Period = 9.135 / 82.04 * 365 / 4 = 10.16

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.

Proto Labs Inc's Inventory to Revenue for the quarter that ended in Jun. 2017 is calculated as

 Inventory-to-Revenue = Total Inventories (Q: Jun. 2017 ) / Revenue (Q: Jun. 2017 ) = 9.135 / 82.04 = 0.11

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

Be Aware

Usually retailers pile up their inventories at holiday seasons to meet the stronger demand. Therefore, the inventory of a particular quarter of a year should not be used to calculate inventory turnover. An average inventory is a better indication.

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