Cloud Horizons · Free tools
Free tools.
Cost calculators that run in your browser. No email gate, no data collection.
- S3 storage class cost calculator Compare AWS S3 storage classes side by side. Price storage, requests, retrieval, and minimum-duration penalties. AWS
- Multi-cloud data egress cost calculator Compare AWS, Azure, GCP, and Cloudflare R2 side by side. Tiered pricing, region zones, and cross-region rates. AWS · Azure · GCP
- AWS Transit Gateway cost calculator Per-attachment cost, data-processing cost, cross-AZ surcharge, and monthly total. AWS
- AWS RDS cost calculator Instance + Multi-AZ + storage + IOPS + read replicas + RI options. Side-by-side vs Aurora. AWS
- AWS NAT Gateway cost calculator Hourly cost, data-processing cost, monthly total, and a checklist of the most common NAT cost drivers. AWS
- AWS Lambda cost calculator Invocation cost, GB-second cost, x86 vs ARM64, monthly total, and the three knobs that matter. AWS
- AWS Savings Plan ROI calculator See monthly savings, break-even month, and net return over 1 or 3 year terms with all payment options. AWS
- AWS Reserved Instance break-even calculator Compare Standard vs Convertible RIs and see monthly savings, break-even month, and net return. AWS
- GCS storage class cost calculator Compare Google Cloud Storage classes side by side. Standard, Nearline, Coldline, and Archive. GCP
- AWS DynamoDB cost calculator Provisioned vs on-demand side by side, RCU/WCU math, GSI multiplier, PITR, streams, and utilization tipping point. AWS
- AWS CloudFront cost calculator Request fees, data transfer out by zone, price class comparison, side-by-side against raw S3 egress. AWS
- Azure Blob storage tier cost calculator Compare Azure Blob storage tiers side by side. Hot, Cool, Cold, and Archive with minimum-duration penalties. Azure
- AWS API Gateway cost calculator Compare REST API, HTTP API, and WebSocket API side by side. Surface the 71 percent saving from REST to HTTP API. AWS
- AWS ALB cost calculator Hourly base, LCU cost across four dimensions, monthly total, and the dimension that drives your bill. AWS
- AWS EBS snapshot cost calculator Model retained GB, retention days, and daily churn to see monthly snapshot storage cost and compare against live volume spend. AWS
- AWS idle Elastic IP cost calculator Total monthly charges for unassociated Elastic IPs and EIPs on stopped instances. AWS
- Azure VM Reserved Instance savings calculator Monthly savings, break-even month, and net return over 1 or 3 year terms with all payment options. Azure
- GCP committed use savings calculator Compare sustained use vs 1-year and 3-year committed use discounts side by side on the same compute spend. GCP