Master Your Call Center Staffing: Free Erlang C Calculator Excel Download
This article will guide you to the best free downloads, explain how they work, and show you how to use them to optimize your service levels in 2026. What is an Erlang C Calculator? erlang c calculator excel download
Requires macro enablement and subscribing to their newsletter for the unlock code. 2. CCmath - Erlang Toolkit for Excel Master Your Call Center Staffing: Free Erlang C
Provides advanced formulas for voice, chat, and blended staffing. Runs locally for GDPR compliance. Download: CCmath Erlang Add-in Requirement: Free trial week available. 3. Locad - Erlang-by-Locad.xls Download: CCmath Erlang Add-in Requirement: Free trial week
Predicted calls per interval (e.g., 30 minutes).
Enter your data into the highlighted cells (usually blue): Calls: Total predicted calls (e.g., 400 in 30 minutes). AHT: Average Handling Time in seconds (e.g., 257s). Time Period: 30 or 60 minutes. Target SLA: 80% or 90%. SLA Time: 20 or 30 seconds.
Developed over a century ago by A.K. Erlang, the is a mathematical model that calculates the minimum number of agents required to handle a predicted volume of incoming, telephone-style calls within a specific service level target.