1. What is a Wallpaper Calculator in Inches?

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

Purpose: It helps homeowners and interior designers determine how much wallpaper is required for projects when measurements are in inches.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

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

Explanation: The height and width in inches are multiplied together, then divided by 144 to convert from square inches to square feet.

3. Importance of Wallpaper Area Calculation

Details: Accurate wallpaper area estimation ensures you purchase the right amount of material, minimizing waste and avoiding project delays.

4. Using the Calculator

Tips: Measure the height and width of your wall in inches and enter these values. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why divide by 144?
A: There are 144 square inches in 1 square foot (12 inches × 12 inches = 144 sq in).

Q2: Should I measure in inches or feet?
A: This calculator is specifically for inch measurements. For feet measurements, simply multiply height × width.

Q3: Does this account for pattern repeats?
A: No, this calculates raw area. For patterned wallpaper, add 10-20% extra for pattern matching.

Q4: How do I account for windows and doors?
A: Calculate their area separately and subtract from the total, or measure wall sections individually.

Q5: Should I add extra for mistakes?
A: Yes, it's recommended to add 10-15% to the calculated area for cutting waste and errors.