AWS CloudWatch Cost Calculator
Model and optimize your AWS CloudWatch infrastructure spend. Calculate monthly costs for custom metrics, gigabytes of log ingestion, retention storage, and synthetic canaries.
AWS CloudWatch Cost Calculator
Model and optimize monthly CloudWatch metrics, log ingestion, storage, alarms, and canaries.
Ingest: $50.00 • Store: $15.00
Standard us-east-1 pricing tier
Total annualized infrastructure burn
AWS CLOUDWATCH MONTHLY COST ESTIMATION BREAKDOWN: Region: us-east-1 (N. Virginia) -------------------------------------------------- 1. Custom Metrics: 500 metrics @ $0.30/ea = $150.00/mo 2. Logs Ingestion: 100 GB @ $0.50/GB = $50.00/mo 3. Logs Retention: 500 GB @ $0.03/GB = $15.00/mo 4. Standard Alarms: 25 alarms @ $0.10/ea = $2.50/mo 5. Dashboards: 4 total (1 billable @ $3.00/ea) = $3.00/mo 6. Synthetic Canaries: 2 canaries (~86,400 runs @ $0.0012/run) = $103.68/mo -------------------------------------------------- ESTIMATED TOTAL MONTHLY COST: $324.18 / month PROJECTED ANNUAL COST: $3890.16 / year
Estimating and Controlling AWS CloudWatch Infrastructure Costs
Amazon CloudWatch is the core observability and telemetry service on AWS, providing foundational metrics, logs, and alarms for EC2, ECS, EKS, and Lambda environments. However, CloudWatch costs frequently surprise engineering teams: at $0.50 per GB for log ingestion and $0.30 per custom metric per month, noisy microservices or high-cardinality custom metrics can quickly generate thousands of dollars in unbudgeted monthly charges.
Key Features
Custom Metrics Tiered Modeling
Models custom CloudWatch metrics at standard $0.30/metric/month rates across large application fleets.
Bifurcated Log Ingestion vs Storage
Separates high-frequency $0.50/GB ingestion pipelines from long-term $0.03/GB S3-backed log archive storage.
Synthetic Canaries Run Projection
Computes precise API and browser canary check frequencies (1-minute runs = 43,200 runs/month) at $0.0012/run.
Dashboard & Alarm Sizing
Accounts for free-tier allocations (first 3 dashboards free) and sizes standard $0.10/alarm costs.
Annualized Budget Burn Forecasting
Projects full 12-month cloud telemetry expenditures to prepare for annual AWS Enterprise Discount Program (EDP) negotiations.
FinOps Optimization Copy Summary
One-click export formatted for FinOps engineers, DevOps leads, and cloud cost management reviews.
Common Use Cases
- ✓Cloud Architects & FinOps Specialists
Forecast telemetry costs for upcoming Kubernetes migrations and prevent unexpected bill spikes.
- ✓DevOps & Site Reliability Engineers (SREs)
Determine the financial impact of increasing Prometheus metric export frequencies or debug log verbosity.
- ✓Engineering Managers & CTOs
Evaluate the cost trade-off between native AWS CloudWatch versus third-party alternatives like Datadog or Grafana Cloud.
- ✓Software Startups
Right-size log retention policies (e.g. 14 days vs indefinite) to eliminate avoidable storage waste.
Frequently Asked Questions
Why is AWS CloudWatch log ingestion so expensive?
CloudWatch charges $0.50 per GB ingested in primary regions. Because debug logs, HTTP access logs, and container stdout streams generate massive data volumes, ingestion typically accounts for 60% to 80% of total CloudWatch billing.
How can I reduce my CloudWatch log costs?
You can reduce log costs by setting strict log retention periods (e.g. 7 or 30 days instead of 'Never Expire'), filtering out verbose health-check logs at the agent level (Fluentbit / Vector), and exporting archives to S3 Glacier.
What counts as a custom CloudWatch metric?
Any metric published via PutMetricData API or emitted by custom application agents (such as business KPIs, cache hit ratios, or custom memory scripts) counts as a custom metric billed at $0.30/metric/month.
Does CloudWatch charge for API requests?
Yes. GetMetricData and ListMetrics API calls incur small charges per 1,000 requests, which can accumulate when external monitoring tools poll CloudWatch frequently.
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