Free cloud cost calculators
Free AWS and AI cost calculators
12 calculators for AWS services and LLM APIs. Most read their prices from the AWS Price List or the AI vendors' own pricing pages and say when; the EKS calculator and the Cloud Waste Radar use fixed us-east-1 rates. No signup.
AI and LLM
LLM API cost calculator
Monthly cost of Claude, OpenAI, Gemini and Amazon Bedrock models from your token volumes, with a side-by-side price table.
Compute
EC2 cost calculator
Hourly, monthly and yearly on-demand cost for current-generation EC2 instance types in five AWS regions, from the AWS price list.
Lambda cost calculator
Request and duration cost for AWS Lambda on x86 or Arm, with or without the free tier, from the AWS price list.
EKS cost calculator
Clusters + nodes + utilisation → control-plane + node-fleet cost and the low-utilisation waste lever.
Commitments
Savings Plans vs Reserved Instances calculator
Compare on-demand, Compute and EC2 Instance Savings Plans, and Standard and Convertible Reserved Instances for one EC2 instance type over one or three years, with break-even use and a Spot price sample.
Databases and logs
RDS cost calculator
Instance, storage and Multi-AZ cost for Amazon RDS for PostgreSQL, MySQL and MariaDB, from the AWS price list.
ElastiCache cost calculator
Node-based and serverless cost for ElastiCache for Valkey, Redis OSS and Memcached by node type, node count and region.
CloudWatch Logs cost calculator
Ingestion, storage and Logs Insights query cost for CloudWatch Logs, from the AWS price list.
Storage
S3 storage cost calculator
Monthly S3 storage and request cost by storage class, with the tiered Standard rates, from the AWS price list.
gp2 → gp3 savings calculator
Provisioned EBS GB → monthly and annual savings from switching gp2 volumes to gp3 (typically ~20%).
Waste and networking
Flagship
Cloud Waste Radar
Eight quick inputs → aggregate monthly waste estimate with the top 5 fixable opportunities ranked by dollar size.
NAT Gateway cost calculator
Hourly + per-GB cost across your NAT gateways, plus the share that can move to free VPC endpoints.
Read the handbook
The companion guides walk through each cost lever in plain English, with the same numbers you'll see in the calculators.
When you're ready to remediate
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