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Cloud Monthly Cost Calculator

Work out cloud monthly cost instantly with clear inputs, formula shown and shareable results.

About Cloud Monthly Cost Calculator

A cloud bill is dominated by compute hours, but storage and egress are the components that surprise people. Compute is instances times hourly rate times 730 hours per average month. Egress is billed per gigabyte after a small free allowance and at roughly a hundred times the cost of the same bytes moving within a region, which is why it deserves its own line.

Formula

Monthly cost

compute = instances x hourly rate x 730; storage = GB x per-GB rate; egress = (GB - free tier) x per-GB rate

Worked example

With the default values below, Cloud Monthly Cost Calculator returns Estimated monthly cost of $3,899.84. Change any input above and every figure here is recalculated in your browser.

Inputs used

Instances runningminimum 1
24
Instance hourly rateminimum 0
0.192
Block storage provisionedminimum 0 GB
4,000 GB
Data transfer out per monthminimum 0 GB
2,500 GB

Results

Estimated monthly cost
$3,899.84
Compute
$3,363.84
Block storage
$320.00
Data transfer out
$216.00

Step by step

  1. 1Values used
  2. 2Monthly cost
  3. 3Estimated monthly cost= 3,899.84
  4. 4Compute= 3,363.84
  5. 5Block storage= 320.00
  6. 6Data transfer out= 216.00

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why 730 hours rather than 720?

730 is the average month length across a year, which is what providers use for monthly pricing. Using 720 understates the bill by about 1.4 percent.

What is usually missing from a first estimate?

NAT gateway data processing, load balancer capacity units, snapshot storage, and cross-availability-zone traffic. Together they often add 10 to 20 percent.

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