Aws Price Calculator

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AWS Monthly Cost Estimator

Estimate your infrastructure spend for EC2, S3, and Data Transfer

Compute (EC2 Instances)

Storage (S3)

Network (Data Transfer Out)

US East (N. Virginia) Sao Paulo (South America) Europe (Ireland) Asia Pacific (Tokyo)

Estimated Total Monthly Cost

$0.00

Understanding AWS Pricing Components

Navigating Amazon Web Services (AWS) billing can be complex due to the "pay-as-you-go" utility model. Unlike traditional hosting, AWS charges for specific resource consumption rather than flat monthly fees. This calculator focuses on the three primary drivers of AWS costs: Compute, Storage, and Networking.

1. EC2 Compute Costs

Elastic Compute Cloud (EC2) pricing is based on instance types. For example, a t3.micro instance might cost $0.0116 per hour in the US East region. Monthly costs are calculated by multiplying the hourly rate by the number of instances and the hours used. A month is typically calculated as 730 hours (30.44 days).

2. EBS and S3 Storage

Storage is divided into block storage (EBS) for your operating system and object storage (S3) for files. S3 Standard storage is generally priced around $0.023 per GB per month. Additionally, write operations (PUT/POST) incur small charges, usually around $0.005 per 1,000 requests.

3. Data Transfer Out (Egress)

Data transfer into AWS is free, but data transfer out to the internet is one of the most common "hidden" costs. After the first 100GB (which is free in many cases), AWS typically charges between $0.08 and $0.09 per GB. For high-traffic applications, egress can often exceed compute costs.

Real-World Calculation Example

If you run a small web application on 2 instances of a t3.small ($0.0208/hr):

  • Compute: 2 instances x $0.0208 x 730 hours = $30.37
  • Storage (50GB EBS): 50GB x $0.10 (GP3) = $5.00
  • S3 (100GB): 100GB x $0.023 = $2.30
  • Data Transfer (200GB Out): (200GB – 100GB free) x $0.09 = $9.00
  • Estimated Monthly Total: $46.67

Top 3 Ways to Reduce AWS Spend

  1. Reserved Instances (RI): Commit to 1 or 3 years of usage to save up to 72% compared to On-Demand pricing.
  2. Spot Instances: Use spare AWS capacity for stateless applications to save up to 90%.
  3. S3 Intelligent-Tiering: Automatically move infrequently accessed data to cheaper storage classes without manual management.
function calculateAWSCost() { // Input collection var ec2Hourly = parseFloat(document.getElementById('ec2Hourly').value) || 0; var ec2Count = parseFloat(document.getElementById('ec2Count').value) || 0; var ec2Hours = parseFloat(document.getElementById('ec2Hours').value) || 0; var ebsStorage = parseFloat(document.getElementById('ebsStorage').value) || 0; var s3Storage = parseFloat(document.getElementById('s3Storage').value) || 0; var s3Requests = parseFloat(document.getElementById('s3Requests').value) || 0; var dataOut = parseFloat(document.getElementById('dataOut').value) || 0; var regionMultiplier = parseFloat(document.getElementById('region').value) || 1.0; // Standard Rates (Averages for US-East) var ebsRatePerGB = 0.10; // GP3 rate var s3RatePerGB = 0.023; // Standard rate var s3RequestRate = 0.005 / 1000; // per request var dataOutRate = 0.09; // Average egress var daysInMonth = 30.44; // Logic // EC2 Monthly = Rate * Count * HoursPerDay * Days var ec2Monthly = (ec2Hourly * ec2Count * ec2Hours * daysInMonth) * regionMultiplier; // EBS Monthly = Storage per instance * Count * Rate var ebsMonthly = (ebsStorage * ec2Count * ebsRatePerGB) * regionMultiplier; // S3 Monthly = Storage * Rate + Requests * RequestRate var s3Monthly = (s3Storage * s3RatePerGB) + (s3Requests * 1000 * s3RequestRate); // Data Transfer Out (Assumes first 100GB free if input > 100) var billableData = Math.max(0, dataOut – 100); var networkMonthly = billableData * dataOutRate; var total = ec2Monthly + ebsMonthly + s3Monthly + networkMonthly; // Display results document.getElementById('resultContainer').style.display = 'block'; document.getElementById('totalMonthlyCost').innerText = '$' + total.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); var breakdownHTML = 'Monthly Breakdown:' + 'EC2 Compute: $' + ec2Monthly.toFixed(2) + " + 'EBS Block Storage: $' + ebsMonthly.toFixed(2) + " + 'S3 Object Storage: $' + s3Monthly.toFixed(2) + " + 'Data Transfer Out: $' + networkMonthly.toFixed(2); document.getElementById('costBreakdown').innerHTML = breakdownHTML; }

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