Paint Calculator

Calculate how much paint you need for walls based on room dimensions. Accounts for doors, windows, and number of coats. Shows results in gallons and liters.

How to Use Paint Calculator

The Paint Calculator estimates how much paint you need for a room based on its dimensions. Enter the room length, width, and wall height, then specify the number of doors and windows to subtract from the paintable area. Choose the number of coats (typically 2) and get results in both gallons and liters. Based on standard coverage of approximately 350 sq ft per gallon. Supports both imperial (feet) and metric (meters) measurements.

Step-by-Step Instructions

  1. Select your measurement unit (feet or meters)
  2. Enter room length, width, and wall height
  3. Specify number of doors, windows, and coats
  4. Click Calculate Paint to see gallons and liters needed

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