AWS Price & Cloud Architecture Cost Estimator
Estimate monthly cloud infrastructure costs across Amazon EC2 compute instances, EBS SSD volumes, S3 storage tiers, and outbound data transfer.
Calculator Parameters
Calculated Results
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How to Use the AWS Price & Cloud Architecture Cost Estimator
Estimating cloud computing costs across Amazon Web Services (AWS) is a vital step for software engineers, DevOps architects, and startups seeking to forecast monthly infrastructure runway and prevent unexpected cloud billing spikes.
Our AWS Price Calculator projects real-world monthly and annual costs for core architecture stacks across EC2 compute instances, EBS block storage, S3 object archives, and outbound internet bandwidth.
Formula and Calculation Methodology
- 730 Hours: Standard average monthly operating hours for continuous servers
- EBS gp3: General Purpose SSD priced at $0.08 per GB-month in US East
- Data Transfer Out: First 100 GB per month is 100% free; subsequent egress charged at ~$0.09/GB
Calculations reflect current AWS US-East (N. Virginia) on-demand pricing tiers, 730-hour monthly baselines, and standard EBS gp3/S3 pricing structures.
AWS Core Service Pricing Overview (US East - N. Virginia)
| Service Component | Specification | Pricing Model | Baseline Unit Cost |
|---|---|---|---|
| EC2 t4g.medium | 2 vCPU, 4 GB RAM (ARM Graviton2) | On-Demand Hourly | $0.0336 / hr (~$24.53/mo) |
| EC2 c6g.xlarge | 4 vCPU, 8 GB RAM (Compute Optimized) | On-Demand Hourly | $0.1360 / hr (~$99.28/mo) |
| EBS gp3 Volume | Baseline 3,000 IOPS & 125 MB/s | Per GB-Month | $0.08 / GB-month |
| S3 Standard | 99.999999999% Durability Tier | First 50 TB/month | $0.023 / GB-month |
| Data Transfer Out | Internet Egress to Public Clients | Over 100 GB/month | $0.090 / GB |
Frequently Asked Questions
How many hours are in an average AWS billing month?
AWS bills on-demand instances by the second, but pricing estimates use 730 hours per month (365 days × 24 hours ÷ 12 months = 730 hours).
How much can I save with AWS Savings Plans or Reserved Instances?
Committing to a 1-year or 3-year Compute Savings Plan reduces on-demand EC2 costs by 30% to 72% depending on the instance family, region, and upfront payment option.
Why is AWS data transfer out so expensive?
AWS allows free inbound data transfer, but charges $0.09 per GB for outbound data leaving AWS to the internet (after the initial 100 GB free tier). Serving assets through Amazon CloudFront (CDN) reduces egress costs significantly.
What is the difference between EBS gp2 and gp3 storage?
gp3 is newer, 20% cheaper ($0.08/GB vs $0.10/GB for gp2), and provides 3,000 baseline IOPS and 125 MB/s throughput independently of volume size, whereas gp2 IOPS scale strictly with volume capacity.
Does AWS charge for stopped EC2 instances?
AWS does not bill compute charges for stopped instances. However, you will continue to be billed for attached EBS storage volumes and Elastic IP addresses until they are deleted or released.
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