Infra Atlas

The Calculators.

Interactive utilities that translate the Atlas's curated data into answers. Each one points back to the instrument that sources its numbers — no signup, no ads, list prices and reserved IPs sourced to vendor docs.

Cross-cloud · Cost
Right-Sizing.
Paying for headroom you never use? Enter the real utilisation — get the cheaper instances that still fit, same cloud and cross-cloud.
Built on /equivalent-sku/ data
Open the calculator →
Cross-cloud · Cost
Cross-Cloud TCO.
What would this workload cost elsewhere? Equivalent SKUs on every cloud, compute hours plus internet egress, side by side.
Built on /equivalent-sku/ + /egress/
Open the comparator →
Networking · Cost
Egress Cost Calculator.
What will moving N TB a month cost on AWS, Azure and GCP? Side by side, with the tier ladder shown.
Built on /egress/
Open the calculator →
Networking · CIDR
Subnet Calculator.
Pick a CIDR, see the usable host count after each cloud's reserved IPs — AWS reserves 5, Azure 5, GCP 4, OCI 3. Side-by-side, with the broadcast / gateway rules made explicit.
Built on /networking-matrix/
Open the calculator →
APIM · Limits
APIM Limits Picker.
Tick the constraints — request timeout, payload, rate-limit ceiling, WebSocket support — and see which API-management vendors clear the bar.
Built on /apim-matrix/
Open the picker →