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Half-drop wallpaper.

Record wall height and the selected alternating pattern-start requirement.

Read the right quantitative data

Roll dimensions and supplied repeat offset.

Check this ordering assumption

Successive drop starts can consume different roll lengths even when their finished heights match.

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The pattern is supplied and the tool does not invent a match offset.

A worked quantity method

This illustrative set of supplied inputs demonstrates Half-Drop Wallpaper Cut Calculator. Replace the example measurements and product figures with your own before ordering.

Supplied inputMetric displayUS display
Required drop height with trimming2.5 m8.2 ft
Pattern repeat0.5 m1.64 ft
Roll length10 m32.81 ft
Required full-width drops7 7
Pair length = ceil(height/repeat) × repeat + ceil((height+repeat/2)/repeat) × repeatUses a conservative paired-roll layout with alternating phase cuts. It does not optimise arbitrary remnants or cut-outs around openings.

Rolls for paired half-drop cuts: 4 rolls

First phase cut
2.5 m
Second phase cut
3 m
Complete paired drops per roll
2
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Your measurement and product-data sheet

Record what you know and mark verified items ready. Notes save on this browser after you edit them. Download a copy before clearing browser data.

Record wall height and the selected alternating pattern-start requirement.

Roll dimensions and supplied repeat offset.

Successive drop starts can consume different roll lengths even when their finished heights match.

Input for Half-Drop Wallpaper Cut Calculator. Record the value with its unit and quantity basis.

Input for Half-Drop Wallpaper Cut Calculator. Record the value with its unit and quantity basis.

Input for Half-Drop Wallpaper Cut Calculator. Record the value with its unit and quantity basis.

Input for Half-Drop Wallpaper Cut Calculator. Record the value with its unit and quantity basis.

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Turn the estimate into an order

  1. Confirm that all quantities use the same measured basis and the selected product's current data.
  2. Keep different products, finishes and handed variants in separate purchase lines.
  3. Review exact demand and whole-pack purchase quantities before entering your quoted prices.
  4. Record compatible stock already on hand, then save the remaining order in your browser project.

Measurement and purchase guides

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Reviewed 6 October 2026. Geometry and purchase arithmetic use your measurements and selected specifications. Calculation scope.

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