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Delivery metrics · Free browser tool

Free Burndown Forecast Calculator

Estimate remaining working days from outstanding work and an observed daily completion rate.

Updated

What does this calculator do?

A burndown forecast divides remaining work by the recent rate of completed work to estimate the working time still needed.

Calculate your result

Free · No account required

Items or points; use the same unit as the daily rate.

A representative average; do not mix items and points.

Your entries stay in this browser session. Download or copy anything you want to keep.

Formula or structure

Forecast working days = ceiling(remaining units / units completed per working day)

Worked example

60 remaining items at 6 items completed per working day gives a forecast of 10 working days.

How to use it

  1. Read the field descriptions and use one consistent set of units.
  2. Enter your own figures or select Load example to inspect a worked scenario.
  3. Review the result alongside the assumptions below.
  4. Copy or download the output, then assign the next action in your planning workflow.

Assumptions and interpretation

The forecast assumes stable throughput, no added scope and comparable work. It is a scenario estimate rather than a promised delivery date.

Read the practical guide

Questions about this tool

How does the burndown forecast calculator work?
A burndown forecast divides remaining work by the recent rate of completed work to estimate the working time still needed.
Do I need an account to use this tool?
No. This tool is free to use in your browser without signing in. My First Task is optional if you want to manage the resulting work in a shared workspace.
Are my inputs uploaded or saved?
The tool processes inputs locally in the browser and does not upload them or store them in an account. Copy or download any results you want to keep before leaving the page.

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