Cloud Cost Calculator

Compare monthly AWS, Google Cloud, Azure, DigitalOcean and Linode bills for compute, storage, egress and managed database in one place.

Compute (virtual machines)

Object / block storage

Data transfer (egress)

Managed database

Estimated monthly cost
Cheapest option
-
$0 / month
-
Provider Compute Storage Egress Database Total / mo
Annual (cheapest)
$0
Annual (priciest)
$0
Yearly gap
$0
Calculation details and rates

Per-provider monthly bill = compute + storage + egress + database.

compute, storage, egress, database components shown after calculation.

Compute is billed as vCPU-hours × rate + GB-RAM-hours × rate per instance, multiplied by instance count. Storage combines capacity ($/GB-month) and operations ($/100k requests). Egress is outbound traffic beyond each provider's free tier. Database uses managed-service list prices for a general-purpose SKU with equivalent vCPU / RAM / storage.

List prices are simplified public on-demand rates (Linux, US regions, 2025). No reserved / spot / committed-use discounts applied.

Estimates only. Actual bills vary by region, reserved or committed-use discounts, spot pricing, free tiers, support plans, snapshots, load balancers, NAT gateways and monitoring. Always double-check with each provider's official pricing pages before committing.

Frequently asked questions

How accurate are these numbers?
The calculator uses simplified public list prices for common on-demand SKUs in US regions (Linux). Real bills can differ 10 to 40 percent depending on region, discounts, mix of SKUs and hidden services like NAT gateways or load balancers. Use this for quick comparisons, not for contracts.
On-demand versus reserved or committed-use pricing
On-demand is pay-as-you-go with no commitment. Reserved instances (AWS), committed-use discounts (GCP) and reserved VMs (Azure) lock in 1 or 3 years and typically save 30 to 72 percent on compute. Spot / preemptible instances save up to 90 percent but can be reclaimed at any time. This calculator shows on-demand only.
Why is egress (data transfer) so important?
Outbound traffic from AWS, GCP and Azure costs $0.08 to $0.12 per GB. A product with 10 TB of monthly egress can add $800 to $1,200 to the bill. DigitalOcean and Linode include 1 to 5 TB free per droplet and charge far less above that, which is why they look dramatically cheaper for bandwidth-heavy workloads.
What hidden costs should I watch for?
NAT gateway hours, load balancer hours, inter-AZ traffic, snapshot storage, EBS IOPS overprovisioning, managed Kubernetes control plane, DNS query charges, log ingestion (CloudWatch, Stackdriver), and support plans. Together these can add 15 to 30 percent to a naive compute+storage estimate.
Does region affect the price?
Yes. US East is usually the cheapest; Sao Paulo, Sydney, Mumbai and Zurich can be 15 to 30 percent more expensive for the same SKU. This calculator assumes US region list prices.
How much can reserved instances save me?
Typical savings versus on-demand: 1-year no-upfront around 30 to 40 percent, 3-year all-upfront 55 to 72 percent. For a steady 24x7 workload, reservations almost always pay off. For bursty or unpredictable loads, stay on-demand or use spot.

The Cloud Cost Calculator estimates a monthly bill across five providers side by side: AWS, Google Cloud, Azure, DigitalOcean and Linode. Enter total vCPU, RAM, hours per month, instance count, object storage volume with I/O operations, outbound egress traffic, and an optional managed database SKU. The result table breaks down each provider into compute, storage, egress and database components, highlights the cheapest option, shows annual totals and the savings gap versus the most expensive bill. Four preset workloads are built in: small web app, e-commerce shop, SaaS B2B product, and development or test environment. Example: a 4 vCPU 8 GB e-commerce stack with 200 GB storage, 500 GB egress and a managed database runs roughly $180 per month on hyperscalers and around $90 on DigitalOcean or Linode. Figures use 2025 on-demand list prices in US regions and do not include reserved-instance, committed-use or spot discounts, region surcharges, NAT gateways or load balancer hours.