--- title: Why is the manufacturer capacity and calculated capacity different? description: It is normal for BinSentry to have a different Calculated Capacity than the manufacturers specification. --- [Skip to content](https://knowledge.binsentry.com/why-is-the-manufacturer-capacity-and-calculated-capacity-different#main-content) English Show submenu for translations ![BinSentry\_HorizontalComplete\_White.png\]](https://knowledge.binsentry.com/hs-fs/hubfs/BinSentry_HorizontalComplete_White.png?height=28&name=BinSentry_HorizontalComplete_White.png) Open main navigation Close main navigation - English Show submenu for translations - [Log-in to BinSentry](https://ui.binsentry.com/) [Log-in to BinSentry](https://ui.binsentry.com/) Hello, how can we help you? - There are no suggestions because the search field is empty. 1. [BinSentry Help Center](https://knowledge.binsentry.com/?hsLang=en) 2. [Basics](https://knowledge.binsentry.com/basics?hsLang=en) 3. [Dashboard](https://knowledge.binsentry.com/basics?hsLang=en#dashboard) # Why is the manufacturer capacity and calculated capacity different? ## It is normal for BinSentry to have a different Calculated Capacity than the manufacturers specification. ![](https://knowledge.binsentry.com/hs-fs/hubfs/image-png-Dec-09-2022-08-55-35-2745-PM.png?width=453&height=162&name=image-png-Dec-09-2022-08-55-35-2745-PM.png) - BinSentry Technicians take specific measurements for every Bin that has a sensor to ensure we know the exact size of the bin. - These dimensions not only help us understand the size of the bin, they also help us position the sensor for the algorithm to provide the most accurate level possible. - Our calculated capacity does not take in to account the topper portion of a bin though we are able to read it with our sensor. This is due to how feed piles in the center of a bin during a refill. It will take up that space in the topper and we do this to help avoid overfilling a bin. - The calculated capacity is also influenced by the bulk density of the product in the bin. By default it its set at 40lbs/cu ft (the same as bin manufacturers). - Depending on the density of a given feed or ration, different amounts could fit in the bin given the same available space - The result of all of these factors is that the Calculated Capacity will often be lower than the Manufacturers Listed Capacity. - Note: BinSentry Admins can configure your account to include the topper portion, however it is an account wide change for all bins. 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