1. What is a Wallpaper Area Calculator?

Definition: This calculator estimates the area of wallpaper needed based on wall height and width measurements.

Purpose: It helps homeowners and interior designers determine how much wallpaper is required for a wall or room.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( A \) — Area of wallpaper needed (square feet)
• \( H \) — Height of the wall (feet)
• \( W \) — Width of the wall (feet)

Explanation: The wall height is multiplied by the wall width to get the total surface area to be covered.

3. Importance of Accurate Wallpaper Measurement

Details: Proper measurement ensures you purchase enough wallpaper while minimizing waste and matching patterns correctly.

4. Using the Calculator

Tips: Measure the height and width of each wall in feet. For rooms, calculate each wall separately and sum the results.

5. Frequently Asked Questions (FAQ)

Q1: Should I account for doors and windows?
A: Yes, subtract these areas after calculating the total wall area. Most professionals recommend keeping 10-15% extra for pattern matching.

Q2: How do I measure wall height?
A: Measure from floor to ceiling at several points and use the tallest measurement.

Q3: What about wallpaper pattern repeats?
A: This calculator gives basic area. Patterned wallpaper may require additional rolls to match patterns at seams.

Q4: How many square feet are in a wallpaper roll?
A: Standard American rolls cover about 30 sq ft, but this varies by manufacturer and country.

Q5: Should I add extra for mistakes?
A: Yes, professionals typically recommend adding 10-20% extra to account for errors and pattern matching.