---
title: "How are projector lumens measured?"  
description: "How are projector lumens measured?"  
author: "Sandra Emily"  
published: 2022-05-09  
canonical: https://answers.mindstick.com/qa/97230/how-are-projector-lumens-measured  
category: "troubleshooting"  
tags: ["troubleshooting", "multimedia"]  
reading_time: 1 minute  

---

# How are projector lumens measured?

How are projector lumens measured?

## Answers

### Answer by Hitesh Vohra

- The brightness of a **projector is measured in lumens.** A minimum of 1500 lumens is required for home theatre projectors with minimal ambient light. A projector with a minimum of 2500 lumens is appropriate for classrooms, conference rooms, or rooms with windows.
- Calculate the lumens for each of your readings. The lux multiplied by the square footage multiplied by 0.09290304 equals lumens. You can manually calculate each or use an automated calculator , For example, a reading of 1150 lux on a 37.5 square foot screen is 4006.4436 lumens.

\

## Read More: [What are wmv files?](https://answers.mindstick.com/qa/97229/what-are-wmv-files)


---

Original Source: https://answers.mindstick.com/qa/97230/how-are-projector-lumens-measured

Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.