Calwarden

Log Ingestion Cost Calculator

Estimate monthly log ingestion and retention cost from event volume, event size, retention, replication, and user-entered pricing.

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Inputs

bytes
days
$/GB

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Results

Monthly Total Cost
Daily Ingest2.17
Retained Storage0.93
Annual Total Cost$399.11

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Assumptions

  • The calculators use transparent formulas rather than vendor-specific sizing or compliance models.
  • Inputs are processed locally in the browser and are not stored by Calwarden.
  • Log retention and audit coverage can be compliance-sensitive; confirm requirements before changing collection or retention policy.

Sensitivity preview

Log Sources -10%: Monthly Total Cost $29.93

Log Sources Current: Monthly Total Cost $33.26

Log Sources +10%: Monthly Total Cost $36.59

Formula: Monthly total cost = daily ingest GB x 30.4375 x ingest price per GB + retained TB x storage price per TB-month.

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About this Log Ingestion Cost Calculator

Healthcare audit and security logging can grow quickly across EHR, PACS, network, cloud, and endpoint sources. This calculator makes the ingestion and retention assumptions visible.

Who this calculator is for

  • Healthcare IT, interface, integration-engine, PACS, security, and compliance teams doing first-pass planning.
  • Analysts documenting transparent assumptions for logging, monitoring, de-identification, or interface reliability work.
  • Hospital and clinic leaders comparing local volume, staffing, retention, and pricing scenarios before a vendor or governance review.

When to use it

  • Turn local log, message, study, monitoring, and staffing assumptions into practical planning numbers.
  • Compare current state with a target coverage, reliability, retention, or workload scenario.
  • Document formulas behind a budget request, compliance workplan, interface remediation plan, or operational review.

How to use this calculator

  1. Enter counts, rates, prices, retention periods, and staffing assumptions from your own tools or contracts.
  2. Replace defaults with local measured values whenever available.
  3. Review the primary output, then use secondary outputs to understand the operating drivers.

Key assumptions

  • The calculators use transparent formulas rather than vendor-specific sizing or compliance models.
  • Inputs are processed locally in the browser and are not stored by Calwarden.
  • Log retention and audit coverage can be compliance-sensitive; confirm requirements before changing collection or retention policy.

Accuracy and testing

Review formula sources, default test cases, assumptions, unit handling, rounding rules, and changelog for this calculator.

View accuracy page

How this calculator works

Daily GB = sources x events per source per day x average event bytes x overhead factor / 1024^3. Monthly cost = daily GB x days per month x price per GB plus retained TB x price per TB-month.
Monthly total cost = daily ingest GB x 30.4375 x ingest price per GB + retained TB x storage price per TB-month.

Inputs explained

Volume inputs

Counts of logs, messages, studies, instances, interfaces, sources, or monitored assets for the period.

Rate and effort inputs

Failure rates, peak factors, rework, review time, processing time, and staff availability should come from local measurements.

Price and policy inputs

Retention days, storage multipliers, and unit prices are user-entered because contracts, policies, and vendors vary.

Understanding your results

Log retention and audit coverage can be compliance-sensitive; confirm requirements before changing collection or retention policy. Results are planning estimates and do not replace legal, privacy, security, compliance, clinical, or vendor-specific review.

Example scenarios

Planning example

120 sources producing 18,000 events/day at 900 bytes with 20% overhead creates about 2.17 GB/day before retention and pricing assumptions.

Key Features

  • Instant Calculation
  • Private & Secure
  • Mobile Optimized

Tips & Best Practices

  • Use measured values from production tools when available.
  • Run separate scenarios for high-volume interfaces, after-hours coverage, migrations, and audit periods.
  • Validate privacy, security, retention, and compliance decisions with the responsible governance teams.

Frequently Asked Questions

Are logs, messages, or patient data stored?
No. These calculators use the counts and assumptions you enter locally in your browser. Do not paste PHI, credentials, or real message payloads into planning inputs.
Can this prove HIPAA or regulatory compliance?
No. The results are planning estimates. Validate policies, safeguards, contracts, audit controls, and regulatory interpretation with qualified compliance, privacy, security, and legal reviewers.
Why are prices and assumptions user-entered?
Healthcare IT pricing, retention policy, staffing models, message volume, and monitoring requirements vary by organization and vendor. User-entered assumptions keep the math auditable.