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WFM tools

Free contact centre workforce management calculators. New tools are added as they are ready.

Free WFM calculators

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Service Level Recovery Calculator

Behind on service level mid-month? Get the volume-weighted SL you need for the rest of the period, and see instantly if the target is already unreachable.

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Erlang C Staffing Calculator

Turn call volume, AHT and service level targets into required agents, occupancy, ASA and shrinkage-adjusted headcount.

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Erlang A Calculator

Staffing with abandonment built in: when callers give up and hang up, Erlang A sizes the team more honestly than Erlang C.

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Back Office FTE Calculator

Turn email, claims and processing volumes into the FTE you need, per work type, with shrinkage and utilisation built in.

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Shrinkage Calculator

Break planned and unplanned off-phone time into a single planning shrinkage percentage and the staff uplift it forces.

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AHT Calculator

Combine talk time, hold and after-call work into average handle time, with a breakdown of where the time actually goes.

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Occupancy Calculator

Check how hard your agents are really working, against the healthy 85–92% band, and spot burnout risk before attrition rises.

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Service Level Calculator

Reverse Erlang C: given the agents you actually have, see the service level, ASA and occupancy you will achieve.

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Attrition Rate Calculator

Calculate attrition on both the start-headcount and average-headcount methods, plus the annualised rate.

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Capacity Planning Calculator

Model monthly FTE requirement from forecast volume, AHT, working days, shift length, target occupancy and shrinkage.

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Hiring and Class Size Planner

Project headcount week by week against attrition, then size and schedule training classes so you reach target before the shortfall, not after.

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Seasonal Hiring Start Date Calculator

See how the date your seasonal class reaches the floor changes the hires you need for peak, and work out when offers must go out.

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Async Messaging Staffing Calculator

Staff WhatsApp and in-app messaging teams on interactions, not conversations or open time, and see what the common shortcuts would cost you.

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Absence Buffer Calculator

See why planning for average absence leaves intervals short, and how many extra agents it takes to keep most intervals on target.

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Cost Per Contact and AI ROI Calculator

Price a contact honestly, then see what AI deflection really saves: blended cost per contact, monthly saving, payback and FTE released.

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Adherence and Conformance Calculator

Measure schedule adherence and conformance side by side, break down the minutes lost by reason, and price the coverage gap in agents.

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Callback Workload Calculator

Compare real time, callback aware and naive staffing interval by interval, and see why a callback moves workload instead of removing it.

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Volume Forecasting Toolkit

Compare nine forecasting methods on your own history, pick the best fit by MAPE backtest, then break the forecast down to day of week and interval.

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Shift and Break Optimizer

Place shift start times, breaks and lunches with a local search optimiser, then see coverage, break shrinkage and projected service level by interval.

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