Wallpaper Cost Calculator

Calculate wallpaper cost from wall area, roll coverage and price — see rolls needed, material and total.

Wallpaper Cost Calculator

Calculate wallpaper cost from wall area, roll coverage and price — see rolls needed, material and total.

Wall area (sq ft)

Roll coverage (sq ft)

Price per roll($)

Waste %(%)

Enter values above and click Calculate — results will appear here with the formula explained.

Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price

How does this work?

Wallpaper rolls needed is wall area divided by roll coverage times waste, rounded up. Total is rolls times price per roll.

Pattern repeat adds waste: large repeat 18 inches needs more than small 6 inches. This uses waste percent to account.

For YMYL home budgeting, add 1 extra roll for future repairs — dye lots vary.

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What is Wallpaper Cost?

Wallpaper rolls needed is wall area divided by roll coverage times waste, rounded up. Total is rolls times price per roll. Formula: Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price

Quick Answer

Wallpaper Cost Calculator: Calculate wallpaper cost from wall area, roll coverage and price — see rolls needed, material and total. Formula: Rolls = ceil(area / coverage * (1+waste)). Example: With 400 sq ft, 56 coverage, $50/roll, 10% waste: need 400/56=7.

What it does: Calculate wallpaper cost from wall area, roll coverage and price — see rolls needed, material and total.
Formula: Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price
Inputs: Wall area (sq ft) · Roll coverage (sq ft) · Price per roll ($) · Waste % (%)
Example: With 400 sq ft, 56 coverage, $50/roll, 10% waste: need 400/56=7.

Calculator Inputs at a Glance

Field	What to enter
Wall area (sq ft)	e.g. 400
Roll coverage (sq ft)	e.g. 56
Price per roll ($)	e.g. 50
Waste % (%)	e.g. 10

All fields use the exact formulas shown below — results include step-by-step breakdowns you can verify by hand.

How to Use This Calculator

1Enter wall area sq ft, roll coverage, price per roll and waste %.
2Calculate to see rolls needed and total cost.
3Measure walls: height*width minus windows/doors for net area.

Formula Used

Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price

Wallpaper rolls needed is wall area divided by roll coverage times waste, rounded up. Total is rolls times price per roll.

Pattern repeat adds waste: large repeat 18 inches needs more than small 6 inches. This uses waste percent to account.

For YMYL home budgeting, add 1 extra roll for future repairs — dye lots vary.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

Worked Example

With 400 sq ft, 56 coverage, $50/roll, 10% waste: need 400/56=7.14*1.1=7.86 → 8 rolls, $400 total.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

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Frequently Asked Questions

QWhat is coverage?

Roll coverage in sq ft: e.g. 27 inch x 27ft =56 sq ft. Check label.

QWaste?

10% for small pattern, 15-20% for large repeat or diagonal.

QDouble roll?

Double roll is 2× single. This uses single. Double is 2× coverage.

Quick Answer

What it does: Calculate wallpaper cost from wall area, roll coverage and price — see rolls needed, material and total.

Formula: Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price

Inputs: Wall area (sq ft) · Roll coverage (sq ft) · Price per roll ($) · Waste % (%)

Example: With 400 sq ft, 56 coverage, $50/roll, 10% waste: need 400/56=7.

Field

What to enter

Wall area (sq ft)

e.g. 400

Roll coverage (sq ft)

e.g. 56

Price per roll ($)

e.g. 50

Waste % (%)

e.g. 10

Formula Used

Rolls = ceil(area / coverage * (1+waste)); Total = rolls*price

Wallpaper rolls needed is wall area divided by roll coverage times waste, rounded up. Total is rolls times price per roll.

Pattern repeat adds waste: large repeat 18 inches needs more than small 6 inches. This uses waste percent to account.

For YMYL home budgeting, add 1 extra roll for future repairs — dye lots vary.