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articles/storage/blobs/blob-storage-estimate-costs.md

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author: normesta
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ms.service: azure-blob-storage
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ms.topic: conceptual
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ms.date: 07/26/2024
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ms.date: 09/04/2024
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ms.author: normesta
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ms.custom: subject-cost-optimization
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---
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| Write operation to commit the blocks | 1 |
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| **Total write operations (1,000 * 641)** | **641,000** |
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Using the [Sample prices](#sample-prices) that appear in this article, the following table calculates the cost to upload these blobs to the hot tier.
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Using the [Sample prices](#sample-prices) that appear in this article, the following table estimates the cost to upload these blobs to the hot tier.
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| Price factor | Cost |
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|----------------------------------------------------------|----------------|
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| Price of a single write operation (price / 10,000) | $0.0000055 |
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| **Cost of write operations (641,000 * operation price)** | **$3.5255** |
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| **Total cost (write + properties)** | **$3.5250055** |
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Depending on the tool that you use, other operation might be used to facilitate an upload. For an example, see [Estimate the cost to upload](azcopy-cost-estimation.md#the-cost-to-upload).
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For more detailed examples, see [Estimate the cost to upload](azcopy-cost-estimation.md#the-cost-to-upload).
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#### The cost to download
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The number of operations required to download a blob depends on which endpoint you use. If you download a blob from the Blob Service endpoint, you're billed the cost of a single _read_ operation. If you download a blob from the Data Lake Storage endpoint, you're billed for cost of multiple read operations because blobs must be downloaded in 4 MiB blocks. If you download blobs from the cool or cold tier, you're also charged a data retrieval per GiB downloaded.
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Using the [Sample prices](#sample-prices) that appear in this article, the following table calculates the cost to download 1000 blobs that are each 5 MiB in size from the cool tier by using the Blob Storage endpoint.
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Using the [Sample prices](#sample-prices) that appear in this article, the following table estimates the cost to download **1,000** blobs that are **5 GiB** each in size from the cool tier by using the Blob Storage endpoint.
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| Price factor | Cool |
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|------------------------------------------------------|------------|
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| **Cost of data retrieval (5 * operation price)** | **$0.05** |
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| **Total cost (read + retrieval)** | **$0.051** |
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Depending on the tool that you use, other operation might be used to facilitate a download. For a complete example, see [Estimate the cost to download](azcopy-cost-estimation.md#the-cost-to-download).
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Utilities such as AzCopy also use list operations and operations to obtain blob properties. As a proportion of the overall bill, these charges are relatively small. For examples, see [Estimate the cost to download](azcopy-cost-estimation.md#the-cost-to-download).
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#### The cost to copy between containers
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If you copy a blob to another container in the same account, then you're billed the cost of a single _write_ operation that is based on the destination tier. If the destination container is in another account, then you're also billed the cost of data retrieval and the cost of a read operation that is based on the source tier. If the destination account is in another region, then the cost of network egress is added to your bill.
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Using the [Sample prices](#sample-prices) that appear in this article, the following table estimates the cost to copy **1,000** blobs that are **5 GiB** each in size from the hot tier.
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| Price factor | Hot |
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|-------------------------------------------------------|--------------|
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| Price of a single write operation (price / 10,000) | $0.0000055 |
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| **Cost of read operations (1,000 * operation price)** | **$0.00044** |
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| **Total cost (previous section + retrieval + read)** | **$0.0068** |
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Depending on the tool that you use, other operation might be used to facilitate a download. For a complete example, see [Estimate the cost to copy between containers](azcopy-cost-estimation.md#the-cost-to-copy-between-containers).
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For a complete examples, see [Estimate the cost to copy between containers](azcopy-cost-estimation.md#the-cost-to-copy-between-containers).
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## The cost to rename a blob
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