Test Coverage to Defect Escape Rate Calculator

Model the relationship between code test coverage percentage and production defect escape rate. Diminishing returns above 80% coverage; quantify the optimal coverage target.

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LTV:CAC Ratio

ARPU ($/month)
Monthly Churn %
CAC ($)
Gross Margin %
LTV
$3500
LTV:CAC
11.67
Payback
2.9 mo
Health
Healthy ✓
Benchmark: LTV:CAC ≥ 3 is healthy. Payback under 12 months is excellent. Under 1 means you lose money on each customer.
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How to Use

Enter the values for the scenario you are assessing. Model the relationship between code test coverage percentage and production defect escape rate. Diminishing returns above 80% coverage; quantify the optimal coverage target. Use the test coverage roi result to inform your calculation.

Frequently Asked Questions