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Google Cloud Capacity Planner
What it is
Google Cloud Capacity Planner shows current and forecasted use of Google Cloud resources to help plan capacity and quota needs. It covers Compute Engine instances, Persistent Disk and Hyperdisk volumes, GPUs, TPUs, and Cloud Storage bucket egress bandwidth. Forecasts combine linear and superlinear models; yearly seasonality is included for scopes with at least two years of usage data. Compute usage is available at P50, P75, and P99 percentiles, while Cloud Storage bucket usage is available only at P100. Historical usage covers up to two years, forecasts extend up to six months, and forecast snapshots cover up to one year. Usage samples are taken every five minutes and displayed within 24 hours; Overview insights update at least every 48 hours. Data can be exported as CSV or through the REST API to Cloud Storage or BigQuery. The API supports project, folder, and organization scopes. The planner has no additional cost, though billable Google Cloud resources used with it are charged separately. It is in Preview under Pre-GA terms, may have limited support, and some organizations may need to request access.
For and against
For
- Covers compute, storage, GPUs, and TPUs.
- Exports data as CSV or through the API.
- API supports project, folder, and organization scopes.
- Quota adjuster can submit increase requests automatically.
Against
- Preview service may have limited support.
- Forecasts are unsupported for Spot VMs and Cloud Storage buckets.
- Cloud Storage bucket history starts December 1, 2025.
- Associated billable Google Cloud resources are charged separately.
The verdict
Capacity Planner provides resource forecasts, exports, and quota-request automation, with data coverage and forecast limits to consider. It is a Preview service under Pre-GA terms, not an additional-cost service; Google Cloud resources used with it remain billable.
Who it suits
It suits teams planning Google Cloud capacity and quota needs across the listed resource types. Organizations should check whether access needs to be requested.
Plans and prices
Capacity Planner
Preview · eligible organizations only · Google Cloud project required
Read 3 Oct 2026 · docs.cloud.google.com
On the record
- API
- The Capacity Planner REST API provides programmatic access to product features at project, folder, and organization scopes.docs.cloud.google.com · read 3 Oct 2026
- Availability and support
- The product is in Preview under Pre-GA terms, is provided as is, and might have limited support; some organizations might need to request access from their technical account manager or Google Cloud sales.docs.cloud.google.com · read 3 Oct 2026
- Capacity requests
- Future reservation requests can provide high-level assurance of capacity for Compute Engine instances or GPUs, and approved requests commit the user to pay for the requested resources during the full reservation period regardless of use.docs.cloud.google.com · read 3 Oct 2026
- Data freshness
- Capacity Planner samples historical usage every five minutes and displays it within 24 hours; Overview insights update at least once every 48 hours.docs.cloud.google.com · read 3 Oct 2026
- Data window
- Historical usage is available for up to two years, forecasts extend up to six months, and historical forecast snapshots cover up to one year.docs.cloud.google.com · read 3 Oct 2026
- Exports and integrations
- Usage and forecast data can be exported as CSV or, through the API, to Cloud Storage or BigQuery.docs.cloud.google.com · read 3 Oct 2026
- Forecasts
- Forecasts combine linear and superlinear models, and include yearly seasonality for scopes with at least two years of usage data.docs.cloud.google.com · read 3 Oct 2026
- Notable limits
- Forecasts are not supported for Spot VMs or Cloud Storage buckets, and Cloud Storage bucket history is unavailable before December 1, 2025.docs.cloud.google.com · read 3 Oct 2026
- Purpose
- Capacity Planner shows current and forecasted use of Google Cloud resources to help plan future capacity and quota needs.docs.cloud.google.com · read 3 Oct 2026
- Quota automation
- The quota adjuster can automatically submit quota increase requests when a project’s quota nears a limit, subject to sufficient usage data and supported resources.docs.cloud.google.com · read 3 Oct 2026
- Resources
- It covers Compute Engine instances, Persistent Disk and Hyperdisk volumes, GPUs, TPUs, and Cloud Storage bucket egress bandwidth.docs.cloud.google.com · read 3 Oct 2026
- Security and access
- Access to viewing data is controlled through Google Cloud IAM roles and permissions, including the Capacity Planner Viewer role.docs.cloud.google.com · read 3 Oct 2026
- Usage percentiles
- Compute resources can be viewed at P50, P75, and P99 usage percentiles; Cloud Storage bucket usage is available at P100 only.docs.cloud.google.com · read 3 Oct 2026
