Little's Law Calculator

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About this app

The Little's Law Calculator designed for Lean and Kanban practitioners!


- Solve for Work in Progress, Throughput, or Cycle Time.
- Set custom work units and time units.
- All settings and input values are remembered between sessions.
- Detailed documentation with examples.

How to use this calculator:

In the Settings tab, set your work units (e.g. items, cards, customers) and your time units (e.g. days, hours, minutes).

In the Calculator tab, choose a variable to solve for (WIP, Throughput, or Cycle Time). The input field for the variable you choose will be grayed out. Enter two of the known variables and the calculator will display the result in the grayed out field.
Updated on
Jun 1, 2019

Data safety

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What's new

Tweaks to About page.