Technical Debt Interest Estimator
Estimate the recurring time cost of a workaround, and how many months until fixing it properly would have paid for itself.
Payback period
Fixing this properly pays for itself in 2.7 months
Beyond this point, leaving it unfixed costs more than the one-time fix would have.
Monthly interest = touches/month × extra hours per touch. Payback period = hours to fix properly ÷ monthly interest hours. A rough estimation aid, not an exact accounting figure.
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