WFM Tools

Plug in your numbers, get an answer. Erlang staffing, capacity planning, shrinkage, attrition — the daily tools of WFM.

🧮 Calculators

10 Tools
🧮 CalculatorStaffing & Capacity

Service Level Savings Fallacy

Interactive calculator proving that loosening SL targets yields only 3-8% staffing reduction while hidden costs typically exceed savings.

🧮 CalculatorStaffing & Capacity

Risk-Rated Capacity Planner

Attach probability to your staffing plans — see the odds of hitting SLA at each staffing level with your volume uncertainty. Replaces single-point capacity numbers with risk-rated recommendations.

🧮 CalculatorWorkforce Economics

Cost of Attrition Calculator

Calculate the full annual cost of agent attrition beyond replacement hiring. Itemizes recruiting, training, productivity ramp, quality dip, overtime coverage, and institutional knowledge loss.

🧮 CalculatorStaffing & Capacity

Time-to-Shrinkage Translator

Convert each off-phone activity from its natural unit — minutes per week, hours per year, days per year — into a consistent daily shrinkage percentage. See total productive time remaining per shift.

🧮 CalculatorStaffing & Capacity

Erlang Suite

Unified Erlang calculator for contact center staffing — Erlang C for queue-based service level, Erlang A for caller abandonment modeling, and Power of One sensitivity analysis. Input your volume, handle time, and agent count to see exactly how staffing levels drive service outcomes.

🧮 CalculatorStaffing & Capacity

Erlang-C Power of One

Demonstrates how adding or losing a single agent disproportionately impacts service level, ASA, and abandonment. The most intuitive way to show operations leaders why small staffing changes matter.

🧮 CalculatorStaffing & CapacityFeatured

Occupancy Variance Analysis

Decompose the gap between planned and actual occupancy into volume, AHT, staffing, and shrinkage variance. Pinpoint which factor drove the deviation so improvement efforts target the right lever.

🧮 CalculatorStaffing & CapacityFeatured

Spot Capacity Calculator

Calculate total FTE requirement from annual volume through to gross staffing need. Accounts for shrinkage, occupancy targets, attrition replacement, training pipeline, and the proficiency ramp curve.

🧮 CalculatorStaffing & CapacityFeatured

Staffing Gap Optimizer

Model the cost tradeoffs of filling staffing gaps through overtime, temporary staff, or new hiring. Balance service level, cost, and employee satisfaction across competing strategies.

🧮 CalculatorStaffing & CapacityFeatured

Shrinkage Impact Calculator

Itemize every source of planned and unplanned shrinkage to see the true FTE cost of non-productive time. Breaks down breaks, training, coaching, PTO, absenteeism, and system downtime by impact.