The VPC is free — attachments bill
Amazon VPC Pricing Calculator
Model public IPv4, Interface Endpoints, Transit Gateway, peering, and inter-AZ transfer before the network line item surprises finance.
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- ~2 min
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Read the full breakdown — Amazon VPC Pricing covers billing dimensions, traps, and a 30-day cleanup plan.
Which billing dimensions apply?
us-east-1list rates, pricing as of 2026-10-17. Gateway endpoints for S3/DynamoDB are free and not modeled. VPN, Direct Connect, and VPC Lattice excluded. Source: AWS public pricing.
The VPC itself is free. Select every attached resource and data path you pay for.
Monthly volumes
Sliders for unchecked dimensions are ignored in the estimate.
Estimated VPC-Adjacent Cost
Selected billing dimensions
Total Monthly Cost
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FactualMinds maps VPC egress paths, IPv4 inventory, and endpoint strategy — often cutting network spend 30–50% without touching application code.
Talk to FinOps Experts →Who This Tool Is For
Network architects and FinOps leads auditing VPC-adjacent spend after the February 2024 public IPv4 charge.
Why We Built This Tool
Subnets and security groups are free, but every public IP, Interface Endpoint per AZ, and inter-AZ byte adds up — often to $500–$2,000/month on a modest production VPC.
What Problem It Solves
- IPv4 inventory. Every attached and unattached public IPv4 bills $3.60/month since February 2024.
- Endpoint multiplication. Interface Endpoints charge per service per AZ — 10 services × 3 AZs = $216/month before data.
- Inter-AZ chatter. Microservices in different AZs pay $0.01/GB each way on every cross-AZ call.
Read the VPC pricing deep-dive or explore cloud cost optimization.
Frequently Asked Questions
Where do these VPC prices come from?
AWS published us-east-1 list prices (AWS VPC pricing), pricing as of 2026-10-17.
Why am I paying $3.60 per IPv4 address per month?
AWS introduced a charge for all public IPv4 addresses in February 2024 — $0.005/hour ($3.60/month) per address, attached or unattached. Consolidate behind ALBs and release orphaned Elastic IPs.
Are Gateway VPC Endpoints really free?
Yes. Gateway Endpoints for S3 and DynamoDB have no hourly or per-GB charge. Every VPC with S3 or DynamoDB traffic should have them — they eliminate NAT processing for that traffic.
When does Transit Gateway pay off vs VPC Peering?
Peering is free to create; same-region data transfer is $0.01/GB each way. Transit Gateway charges $36/month per VPC attachment plus $0.02/GB. Peering wins below ~5–10 VPCs needing connectivity; TGW wins on operational simplicity at scale.
What does inter-AZ data transfer cost?
Traffic between AZs in the same region bills $0.01/GB in each direction. Use topology-aware routing and place chatty service pairs in the same AZ where latency allows.
How are regional NAT gateways and VPC Encryption Controls billed?
A regional NAT gateway bills $0.045 per hour for each Availability Zone it is active in, plus the same $0.045/GB processing — so a regional NAT spanning three AZs costs the same per hour as three zonal NAT gateways; enter active AZs in the NAT slider. VPC Encryption Controls became a paid feature on March 1, 2026: $0.15 per hour ($109.50/month) for every non-empty VPC with it enabled, in monitor or enforce mode; empty VPCs are not charged. Enabling encryption support on a Transit Gateway applies the charge to every attached VPC.
How is NAT Gateway different from this calculator?
This calculator includes NAT as one line item. For dedicated NAT modeling with cross-AZ hairpin traffic, use the NAT Gateway Pricing Calculator.
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