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Maintenance Debt Calculator

Maps decision speed, intervention readiness, and revenue exposure to quantify maintenance debt risk.

Overview

When to use the Maintenance Debt Calculator.

Best for ethics leads and executives translating maintenance debt into budget-ready risk language.

  • Decision speed estimates for the system.
  • Runbook response window and escalation plan.
  • Revenue exposure range or recovery cost estimate.

Estimated time: 10–12 minutes

Studio support can help translate debt tiers into funding scenarios.

Scholarly metadata

Authorship

Contact: diagnostics@ethotechnics.org

Publication details

  • Published: Dec 3, 2025
  • Last updated: Jan 9, 2026
  • Version: v1.1.0
  • DOI: Pending Zenodo deposit

License: CC BY 4.0

Credit Ethotechnics Institute Diagnostics Lab, include tool name + version, and link to the canonical permalink.

Archive snapshot: Wayback capture

Changelog

  • v1.1.0 · 2026-01-09 — Published method cards, transparency notes, and replicability guidance for each diagnostic.
  • v1.0.0 · 2025-12-03 — Initial diagnostics suite release.

Copy citation (APA/BibTeX)

Cite this page Formats: APA, MLA, Chicago, BibTeX, RIS

Version

v1.1.0

Last updated

Jan 9, 2026

DOI

Pending Zenodo deposit

APA

Ethotechnics Institute Diagnostics Lab. (2026). Maintenance Debt Calculator. Ethotechnics Institute. https://ethotechnics.org/diagnostics/maintenance-debt-calculator

MLA

Ethotechnics Institute Diagnostics Lab. "Maintenance Debt Calculator." Ethotechnics Institute, 2026, https://ethotechnics.org/diagnostics/maintenance-debt-calculator.

Chicago

Ethotechnics Institute Diagnostics Lab. "Maintenance Debt Calculator." Ethotechnics Institute. Jan 9, 2026. https://ethotechnics.org/diagnostics/maintenance-debt-calculator.

BibTeX

@misc{diagnostic_maintenance-debt-calculator,
  title={Maintenance Debt Calculator},
  author={Ethotechnics Institute Diagnostics Lab},
  year={2026},
  howpublished={Ethotechnics Institute},
  url={https://ethotechnics.org/diagnostics/maintenance-debt-calculator},
  version={v1.1.0}
}

RIS

TY  - WEB
TI  - Maintenance Debt Calculator
AU  - Ethotechnics Institute Diagnostics Lab
PY  - 2026
UR  - https://ethotechnics.org/diagnostics/maintenance-debt-calculator
ER  -

Methodology

Maintenance debt scoring model.

Inputs, scoring logic, validation notes, and failure modes used in the calculator.

Inputs

  • Decision speed band for the system.
  • Intervention readiness and response window.
  • Revenue exposure tier and recovery cost.

Procedure

  1. Score decision speed, readiness, and exposure.
  2. Calculate maintenance debt risk tier.
  3. Generate cost delta between uncontrolled and stoppable actions.

Outputs

  • Maintenance debt score and tier.
  • Estimated uncontrolled action cost range.
  • Shareable summary link for budget discussions.

Measures

  • Decision speed relative to escalation capacity.
  • Intervention readiness and recovery coverage.
  • Revenue exposure if uncontrolled actions occur.

Does not measure

  • Exact financial outcomes or legal liability.
  • Market share shifts unrelated to the incident.
  • Individual or team performance accountability.

Assumptions

  • Inputs reflect realistic ranges for the scenario.
  • Revenue exposure estimates are directional, not audited.
  • Intervention coverage mirrors current runbooks.

Instrument prompts

  • Decision speed band (milliseconds, seconds, minutes).
  • Intervention readiness coverage.
  • Escalation response window.
  • Revenue exposure tier.

Rubric

  • Decision speed scored on rapid / steady / deliberate.
  • Readiness scored on limited / partial / comprehensive.
  • Response window scored on under 5 minutes / 15–60 minutes / over 1 hour.
  • Revenue exposure scored on low / medium / high.

Scoring logic

  • Total score combines speed, readiness, response window, and exposure.
  • Debt tier mapped to score thresholds.
  • Cost delta derived from exposure tier multiplied by debt factor.

Validation notes

Calibrated with budget planning sessions and post-incident finance reviews.

Scores stabilize when scenario owners align on exposure ranges and response windows.

  • Overstated revenue exposure inflates cost deltas.
  • Understated response windows hide readiness gaps.
  • Outdated runbooks skew intervention readiness inputs.

Replicability

  • Collect decision speed and response window inputs.
  • Confirm intervention readiness with operations leads.
  • Estimate revenue exposure tier and recovery costs.
  • Share the readout with finance or governance partners.

Example outputs

  • Maintenance debt scorecard with cost delta.
  • Budget-ready summary slide for leadership.

Run the tool

Calculate maintenance debt exposure.

Model uncontrolled versus stoppable action costs with a few inputs.

Results

Maintenance debt readout.

Use the shareable link in budget and governance briefs.