Pricing

This document explains Cloud Spanner pricing details.

You can also use the Google Cloud Platform Pricing Calculator to estimate the cost of using Cloud Spanner.

If you pay in a currency other than USD, the prices listed in your currency on Cloud Platform SKUs apply.

Cloud Spanner pricing overview

When you use Cloud Spanner, you are charged for the following:

  1. The number of Cloud Spanner nodes in your instance.

    During each hour, Cloud Spanner keeps track of how many Cloud Spanner nodes exist in your instance. You are charged each hour for the maximum number of nodes that exist during that hour, multiplied by the hourly rate. As a result, any nodes that you provision will be billed for a minimum of one hour.

  2. The amount of storage that your tables and secondary indexes use.

    Cloud Spanner charges you for the average amount of data in your Cloud Spanner tables and secondary indexes over a one-month period, multiplied by the monthly rate.

  3. The amount of network bandwidth used.

    Some types of network egress traffic, such as application reads of Cloud Spanner databases, are subject to bandwidth charges, as shown below. There are no bandwidth charges for Cloud Spanner replication or network ingress traffic.

Project storage usage and bandwidth usage are calculated in gigabytes (GB), where 1 GB = 230 bytes.

Project storage and bandwidth usage charges accrue daily. You can view unbilled usage at any time on the Google Cloud Platform Console.

The following tables show the pricing for each component of Cloud Spanner.

Nodes

Regional configurations Cost per node per hour
us-west1, us-central1, us-east1, europe-west1, asia-east1 $0.90
us-east4, northamerica-northeast1 $0.99
europe-north1, europe-west4 $1.035
asia-south1 $1.26
asia-southeast1 $1.03
asia-northeast1 $1.17
Multi-region configurations Cost per node per hour
nam3 $3.00
nam-eur-asia1 $9.00
If you pay in a currency other than USD, the prices listed in your currency on Cloud Platform SKUs apply.

Storage

You are billed only for the storage you use, including tables, secondary indexes, and overhead for those indexes.

Regional configurations Storage per GB per month
us-west1, us-central1, us-east1, europe-west1, asia-east1 $0.30
us-east4, northamerica-northeast1 $0.33
europe-north1, europe-west4 $0.345
asia-south1 $0.42
asia-southeast1 $0.34
asia-northeast1 $0.39
Multi-region configurations Storage per GB per month
nam3 $0.50
nam-eur-asia1 $0.90
If you pay in a currency other than USD, the prices listed in your currency on Cloud Platform SKUs apply.

Network

Ingress Free
Egress within the same region Free
Egress between regions within the US (per GB) $0.01
Inter-continental egress At Internet egress rate
If you pay in a currency other than USD, the prices listed in your currency on Cloud Platform SKUs apply.

Internet egress rates

For instances with regional configurations, internet egress rates are as shown below.

For instances with multi-region configurations, internet egress is charged as follows:

  • Egress from read-write transactions is always charged based on the egress cost from the default leader region.
  • Egress from other reads is charged based on the egress cost from whichever region in the multi-region configuration is closest to the client. For example, assuming that you are using the multi-region configuration nam-eur-asia1:

    • For clients in us-central1, egress is free, because the region is part of the multi-region configuration.
    • For clients in us-west1, egress is charged from us-central1, which is the closest region in the multi-region configuration.
    • For clients in asia-south1, egress is charged from asia-east1, which is the closest region in the multi-region configuration.

Iowa Oregon Northern Virginia South Carolina Montréal Belgium Finland Netherlands Mumbai Singapore Tokyo Taiwan
Monthly Usage Egress to Worldwide Destinations (excluding Asia & Australia)
(per GB)
Egress to Asia Destinations (excluding China, but including Hong Kong)
(per GB)
Egress to China Destinations (excluding Hong Kong)
(per GB)
Egress to Australia Destinations
(per GB)
Ingress
0-1 TB $0.23 $0.19 Free
1-10 TB $0.22 $0.18 Free
10+ TB $0.20 $0.15 Free
If you pay in a currency other than USD, the prices listed in your currency on Cloud Platform SKUs apply.

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Cloud Spanner Documentation