How is NAT Gateway pricing structured?

NAT Gateway charges consist of an hourly fee (approximately $0.045/hour in us-east-1) and a data processing fee ($0.045/GB) for all traffic that flows through it. Both inbound and outbound data processing are charged, making high-throughput workloads expensive.

How can I reduce NAT Gateway costs?

Use VPC Gateway Endpoints for S3 and DynamoDB traffic (free), use Interface Endpoints for other AWS services, consolidate NAT Gateways where single-AZ risk is acceptable, and consider NAT instances for very low-throughput workloads.

Do I need a NAT Gateway in every AZ?

For production workloads, AWS recommends a NAT Gateway in each AZ to avoid cross-AZ data charges and single points of failure. However, for development or cost-sensitive environments, a single NAT Gateway can serve multiple AZs at the cost of reduced resilience and cross-AZ data transfer fees.

NAT Gateway Cost Estimator

NetworkingAWS

Estimate monthly NAT Gateway costs based on hours and data processed.

NAT Gateway Configuration

Number of NAT Gateways

Hours per Month

Data Processed (GB/month)

Raw Output

Output will appear here...

About This Tool

The NAT Gateway Cost Estimator calculates monthly AWS NAT Gateway expenses based on provisioning hours and data processing volume. NAT Gateway pricing has two components: an hourly charge for each gateway and a per-gigabyte data processing fee. This tool helps you model costs across availability zones, compare single vs. multi-AZ NAT Gateway deployments, and identify opportunities to reduce data transfer charges through architecture changes.

When to Use This Tool

•Estimating monthly NAT Gateway costs for a multi-AZ VPC before provisioning to avoid bill surprises.
•Comparing the cost of one shared NAT Gateway versus per-AZ NAT Gateways for high-availability architectures.
•Identifying how much data processing fees contribute to your total networking bill.
•Modeling cost savings from moving chatty workloads to VPC endpoints instead of routing through NAT Gateway.

Frequently Asked Questions

How is NAT Gateway pricing structured?: NAT Gateway charges consist of an hourly fee (approximately $0.045/hour in us-east-1) and a data processing fee ($0.045/GB) for all traffic that flows through it. Both inbound and outbound data processing are charged, making high-throughput workloads expensive.
How can I reduce NAT Gateway costs?: Use VPC Gateway Endpoints for S3 and DynamoDB traffic (free), use Interface Endpoints for other AWS services, consolidate NAT Gateways where single-AZ risk is acceptable, and consider NAT instances for very low-throughput workloads.
Do I need a NAT Gateway in every AZ?: For production workloads, AWS recommends a NAT Gateway in each AZ to avoid cross-AZ data charges and single points of failure. However, for development or cost-sensitive environments, a single NAT Gateway can serve multiple AZs at the cost of reduced resilience and cross-AZ data transfer fees.

Related Learning Guides

AWS Networking Deep Dive30 min read
Cost Optimization Strategies26 min read

Disclaimer: This tool runs entirely in your browser. No data is sent to our servers. Always verify outputs before using them in production. AWS, Azure, and GCP are trademarks of their respective owners.