How do I calculate what missed calls actually cost me?

The formula: missed calls per month × share of real prospective customers × average job value × your usual conversion rate. A concrete example: 30 missed × 60% × $180 × 0.5 ≈ $1,600 a month. For the missed-call count, your carrier's app already tracks it, or one week of the Signal dashboard gives you the real measure. One honesty point: not every missed call counts as lost — spam and callbacks drop out of the math, and the monthly report only counts genuinely qualified leads.