Dehumidifier Size Calculator

Introduction: Controlling humidity is crucial for maintaining a comfortable and healthy indoor environment. Our Dehumidifier Size Calculator simplifies the process of selecting the right dehumidifier by allowing you to input the room volume and desired humidity level, providing the recommended dehumidifier size in pints per day.

Formula: The recommended dehumidifier size is calculated using the formula: (Room Volume * (Desired Humidity Level – 30)) / 50. This formula considers the difference between the current humidity level (typically around 30%) and the desired level.

How to Use:

  1. Enter the room volume in cubic feet.
  2. Input the desired humidity level in percentage.
  3. Click the “Calculate” button to obtain the recommended dehumidifier size in pints per day.

Example: For a room with a volume of 1,000 cubic feet and a desired humidity level of 50%, the calculator will recommend a dehumidifier size of a certain number of pints per day.


  1. Q: Why is controlling humidity important? A: Maintaining the right humidity level helps prevent mold growth, improves indoor air quality, and enhances comfort.
  2. Q: How do I measure the room volume? A: Measure the length, width, and height of the room in feet, and multiply these dimensions to calculate the volume.
  3. Q: What is the ideal humidity level for indoor comfort? A: The recommended indoor humidity level is between 30% and 50% for optimal comfort and health.
  4. Q: Can I use one dehumidifier for multiple rooms? A: It’s recommended to use separate dehumidifiers for distinct rooms to ensure efficient humidity control.
  5. Q: Do dehumidifiers consume a lot of electricity? A: Dehumidifiers vary in energy efficiency. Choose an Energy Star-rated model for lower energy consumption.

Conclusion: The Dehumidifier Size Calculator empowers homeowners to make informed decisions about maintaining a healthy indoor environment. By providing a clear recommendation for dehumidifier size, this calculator contributes to overall indoor comfort and well-being. Happy dehumidifying!

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