Pricing data last updated: October 2026
What Is a Cloud Cost Calculator?
A cloud cost calculator is a free tool that lets you estimate and compare your monthly cloud infrastructure expenses across providers like AWS, Microsoft Azure, Google Cloud (GCP), and DigitalOcean — before you deploy a single resource. Our cloud cost calculator free tool runs entirely in your browser, no login or signup required.
Whether you're a startup CTO evaluating providers for the first time, a FinOps engineer optimizing an existing bill, or a DevOps architect planning a migration, this tool gives you an instant, neutral, side-by-side comparison.
Why use a third-party calculator? Official AWS, Azure, and GCP calculators only show their own pricing. This tool shows all providers in a single view — so you can find the cheapest option for your workload without switching between tabs.
AWS vs Azure vs GCP Cost Comparison 2026
Choosing the right cloud provider is one of the most financially significant decisions a company makes. Here's how the major providers compare on real-world costs:
| Service | AWS | Azure | GCP | Note |
|---|
| General Compute (2vCPU/4GB) | $0.0416/hr | $0.0420/hr | $0.0380/hr | GCP ~10% cheaper on raw compute |
| ARM Compute (2vCPU/4GB) | $0.0336/hr | $0.0340/hr | $0.0380/hr | AWS Graviton3 wins on ARM |
| Object Storage (hot, per GB) | $0.023 | $0.018 | $0.020 | Azure cheapest headline rate |
| Cloudflare R2 Storage (per GB) | — | — | — | $0.015 + ZERO egress |
| Data Egress (per GB) | $0.09 | $0.087 | $0.085 | Cloudflare R2: $0.00 |
| Managed K8s Control Plane | $73/mo | FREE | $73/mo | Azure AKS free control plane |
| Reserved 1yr Discount | ~40% | ~40% | ~37% | All similar at 1yr commitment |
| Reserved 3yr Discount | ~62% | ~60% | ~55% | AWS wins at 3yr |
Cloud Storage Cost Calculator — S3 vs Azure Blob vs GCS vs Cloudflare R2
Cloud storage pricing has 5 cost dimensions that most people miss when using a basic cloud storage cost calculator:
- Storage capacity — charged per GB/month (varies by tier: hot, cool, archive)
- API operations — PUT requests ($0.005/1K on S3), GET requests ($0.0004/1K)
- Data retrieval — extra cost to pull data from cool/archive tiers
- Data egress — the biggest hidden cost: $0.09/GB to move data to the internet
- Minimum storage duration — cool tier has 30-day minimum; archive has 90-day
⚠️ The Egress Trap: If you transfer 1TB/month out of AWS S3 to the internet, that's $92/month in egress fees alone — on top of your storage costs. Cloudflare R2 charges $0 for egress, making it dramatically cheaper for bandwidth-heavy workloads.
CloudWatch Cost Calculator — Understanding AWS Monitoring Costs
Many AWS users are shocked by their CloudWatch bill. A proper CloudWatch cost calculator must account for all these line items:
- Custom metrics: First 10,000 free, then $0.30/metric/month
- Log ingestion: $0.50/GB ingested (this adds up fast with verbose logging)
- Log storage: $0.03/GB/month — set retention policies or logs never expire!
- Alarms: First 10 free, then $0.10/alarm/month
- Dashboards: First 3 free, then $3/dashboard/month
- Container Insights: $0.50/node/month for EKS/ECS monitoring
Alternatives to reduce CloudWatch costs: Grafana + Prometheus (open source, free to run), Datadog (per-host pricing, often cheaper at scale), or New Relic (free tier available).
CloudFront Cost Calculator — CDN Pricing Guide
The CloudFront cost calculator needs to consider both data transfer out and HTTP request counts:
- First 1 TB/month: Free (AWS Free Tier)
- Next 9.999 TB/month: $0.0085/GB (US/Europe region)
- HTTP requests: $0.0100 per 10,000 HTTPS requests
- Asia Pacific region: $0.114/GB (significantly more expensive)
Cloudflare (free plan) offers unlimited bandwidth at no cost — making it the cheapest CDN option for most use cases. Compare using the CDN tab above.
Cloud Migration Cost Calculator — What Does Migration Actually Cost?
A cloud migration cost calculator must account for both one-time and ongoing costs. Many organizations underestimate the total by 2–3x by only counting run-rate costs. Key migration cost drivers:
- Labor costs — engineering time for planning, execution, and testing (largest single cost)
- Dual-running period — running old and new infrastructure in parallel during transition (often 4–8 weeks)
- Data transfer fees — moving data INTO cloud is free; but egress from old provider is not
- Tooling — AWS Migration Hub, Azure Migrate, Google Migrate for VMs (all free)
- Staff training — certifications, upskilling ($1,000–$5,000/engineer)
- Refactoring effort — lift-and-shift is cheapest, re-architecting is 3–5x more expensive
How to Reduce Your Cloud Bill by 40%
As a DevOps engineer, here are the highest-impact ways to cut cloud costs immediately:
- Switch to Reserved Instances / Savings Plans — commit to 1–3 years for up to 72% off on-demand pricing
- Use ARM/Graviton instances — AWS Graviton3 is ~20% cheaper than equivalent x86 and often faster
- Spot / Preemptible instances — for CI/CD, batch jobs, dev environments: up to 90% cheaper
- Right-size with CloudWatch/Azure Monitor — most VMs are 2x overprovisioned by default
- Replace S3 egress with Cloudflare R2 — zero egress fees vs $0.09/GB on AWS
- Set CloudWatch log retention policies — default is "never expire" = growing storage bill forever
- Auto-shutdown dev/test environments — a Lambda + EventBridge rule saves 65% on non-prod costs
- Use Azure AKS instead of AWS EKS — AKS control plane is free vs $73/month on EKS
Frequently Asked Questions
Is this cloud cost calculator free to use?
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Yes, completely free. No login, no sign-up, no credit card. All calculations run in your browser — no data is sent to any server. You can use it as many times as you like.
Is AWS cheaper than Azure or GCP?
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It depends on your workload. GCP is typically 5–15% cheaper for raw compute. Azure is most cost-effective if you use Windows Server / SQL Server (Hybrid Benefit saves up to 40%). AWS wins on breadth of services and 3-year reserved pricing. Use the calculator above to compare based on your exact needs.
What are the hidden costs in cloud pricing?
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The biggest hidden costs are: (1) Data egress fees — $0.09/GB to move data to the internet; (2) API operation charges — millions of S3 GET requests add up; (3) Support plans — $29/mo to $15,000/mo; (4) Cross-region data transfer; (5) Early deletion penalties on archive storage; (6) CloudWatch log storage never expiring by default; (7) NAT Gateway fees — $0.045/GB processed.
Is there a cloud cost calculator without login?
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Yes — this tool requires zero login. Official AWS, Azure, and GCP calculators work without login for basic estimates. But they only show their own pricing. Our tool compares all 4 providers side-by-side, instantly, with no signup required.
How does Cloudflare R2 compare to AWS S3?
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Cloudflare R2 charges $0.015/GB/month for storage with ZERO egress fees. AWS S3 charges $0.023/GB/month plus $0.09/GB for data transfer out. If you transfer 1TB/month, that's $92/month in S3 egress vs $0 for R2. R2 is dramatically cheaper for bandwidth-heavy workloads. The tradeoff: S3 has much deeper AWS ecosystem integration.
What is the cheapest cloud for Kubernetes in 2026?
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Azure AKS wins on control plane cost — it's completely free. AWS EKS charges $73/month per cluster just for the control plane. GCP GKE charges similar to EKS. For node costs, GCP Spot (Preemptible) VMs are often cheapest. For a 10-node cluster, Azure can save $876/year just on control plane fees vs EKS.
How accurate is this calculator?
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Pricing is based on publicly available list prices for on-demand resources in standard regions (US East / Europe West), updated October 2026. Actual costs may vary based on reserved instances, savings plans, enterprise agreements, specific regions, and usage patterns. Always cross-check with the official AWS, Azure, or GCP pricing calculator for final production estimates.
What is a cloud cost calculator used for in FinOps?
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In FinOps (cloud financial management), cost calculators are used for: (1) Pre-deployment estimates before provisioning resources, (2) Provider selection — comparing AWS vs Azure vs GCP before committing, (3) Right-sizing analysis — finding cheaper instance types for the same workload, (4) Budget planning and forecasting, (5) Migration cost justification for CFO/board presentations, (6) Reserved instance vs on-demand ROI calculations.
Is there an Oracle Cloud or IBM Cloud cost calculator?
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Oracle Cloud (OCI) and IBM Cloud offer their own native pricing calculators. OCI is notably aggressive on pricing — often 30–50% cheaper than AWS for equivalent compute, especially for Oracle Database workloads. IBM Cloud's pricing varies significantly. We're adding OCI and IBM Cloud tabs to this calculator in a future update. For now, use oracle.com/cloud/costestimator for OCI-specific estimates.
Can I download a cloud cost calculator Excel template?
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Yes! We have a downloadable Excel/Google Sheets cloud cost calculator template with pre-built formulas for AWS, Azure, and GCP compute, storage, and database pricing. Visit our blog for the free download. It includes tabs for monthly/annual estimates, reserved instance savings calculator, and a CFO-ready summary dashboard.
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