Plan better. Staff smarter. Perform together.
A free toolkit for contact centre workforce management: Erlang C staffing, forecasting, shift optimisation, shrinkage and the rest of the planning numbers, all running live in your browser.
- 100% FreeCore tools
- No Signup RequiredRuns in your browser
- Built for Real WFMPractical and accurate
240 contacts in a 30 minute interval, 300s AHT, 80/20 target, 30% shrinkage.
Required agents by interval, staffed to the same 80/20 target.
WFM calculators
One tool per job. Every calculation runs client side, with no signup and nothing to install.
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.
Open calculatorErlang C Staffing Calculator
Turn call volume, AHT and service level targets into required agents, occupancy, ASA and shrinkage-adjusted headcount.
Open calculatorShrinkage Calculator
Break planned and unplanned off-phone time into a single planning shrinkage percentage and the staff uplift it forces.
Open calculatorAHT Calculator
Combine talk time, hold and after-call work into average handle time, with a breakdown of where the time actually goes.
Open calculatorOccupancy Calculator
Check how hard your agents are really working, against the healthy 85–92% band, and spot burnout risk before attrition rises.
Open calculatorService Level Calculator
Reverse Erlang C: given the agents you actually have, see the service level, ASA and occupancy you will achieve.
Open calculatorAttrition Rate Calculator
Calculate attrition on both the start-headcount and average-headcount methods, plus the annualised rate.
Open calculatorCapacity Planning Calculator
Model monthly FTE requirement from forecast volume, AHT, working days, shift length, target occupancy and shrinkage.
Open calculatorGo beyond a single interval
Bigger models for forecasting, shift design and career fit.
Volume Forecasting Toolkit
Nine forecasting methods backtested on your own history by MAPE, then split down to day of week and interval level.
Open toolShift and Break Optimizer
Fit shift start times, breaks and lunches to your interval requirement with a local search optimiser, then read coverage by interval.
Open toolRole Fit
Score a resume against a WFM job description across forecasting, capacity, scheduling, real-time, analytics and leadership.
Open toolChoose your path
Three ways into the site, depending on what you came here to do.
I'm Building My WFM Career
Check your role fit, then prepare with real interview questions.
Learning hub
Reading and reference material to go with the calculators.
Why WFM Helper
Built by a WFM practitioner
Over a decade of contact centre operations experience, not a generic calculator wrapped in ads.
Tested in live operations
The same logic used to plan multi-site, multi-channel contact centre operations day to day.
Fast, free, no signup
Everything runs in your browser. Nothing to install, no account, no data leaving your machine.
Want the background story? Read about WFM Helper.