Support calculators
Put a number on the queue: staffing, cost per ticket, SLA, CSAT, missed calls.
Missed Call Revenue Calculator
How much do unanswered calls cost you each month? Enter your weekly call volume, missed-call rate, conversion rate and average order value to see the revenue walking out the door.
OpenSupport Cost & AI ROI Calculator
Work out what answering customer conversations costs you in hours and dollars, how much an AI agent would resolve, and what it would bill at usage rates — net savings included.
OpenCall Center Staffing Calculator (Erlang C)
Work out how many agents a phone queue needs with the Erlang C formula. Enter call volume, handle time, target service level and shrinkage to get a schedule.
OpenCost Per Ticket Calculator
See what each support ticket actually costs — cost per ticket or per contact — from agent pay, headcount and tooling spend. Free, runs in your browser.
OpenSLA & First Response Time Calculator
Work out SLA attainment and how many tickets breach it, including the after-hours tickets you're not answering fast enough. Free, no signup.
OpenTicket Deflection Rate Calculator
Work out gross and net deflection rate — how many conversations skip a person, and how many come back anyway — plus the monthly cost it actually avoids. Free tool.
OpenCSAT & NPS Calculator
Work out CSAT from your satisfaction survey and NPS from promoters and detractors, with a benchmark band for each score. Free, no signup, nothing stored.
OpenAverage Handle Time (AHT) Calculator
Work out average handle time from talk, hold and after-call work, plus agent-hours per month and calls handled per agent-hour, for staffing decisions. Free.
OpenAfter-Hours Call Cost Calculator
See how many calls land outside business hours, how many go unanswered for good, and the revenue at risk each month from calls nobody calls back. Free tool.
OpenAnswering Service Cost Calculator
Compare the monthly cost and cost per call of an in-house team, a live answering service, and an AI agent, side by side, using your own numbers. Free tool.
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