How to Measure Curtains: A Practical UK Guide
Learn how to measure curtains in millimetres for poles, tracks, recesses and drops, with checks for fullness, lining and fitting clearance.
Read field noteRoom measurement / open formulas
A practical workspace for turning raw dimensions into purchase-ready estimates, without hiding the assumptions in between.
The working set
Each result keeps source dimensions, editable assumptions, and final package rounding in separate layers.
Turn clear finished dimensions into floor area, perimeter, wall area, and volume.
L x W4.20 x 3.60 = 15.12 m²Keep net wall area, coat count, product coverage, waste, and pack size visible.
A x C / R37.92 m² x 2 / 10 = 7.58 LConvert surface area into theoretical pieces, waste allowance, and complete boxes.
A / (L x W)10.08 m² = 31 pieces + box roundingScreen the packaged cross-section against a clear opening before delivery day.
MIN 2 OF 375 x 91 cm vs 82 x 205 cmA result you can audit
Reliable estimates begin before the calculator and remain checkable after it.
Calculation methodName the reference surfaces, unit, direction, and site condition. A bare number is not a durable measurement.
START → END / UNIT / CONDITIONArea, openings, coats, coverage, installation loss, and packaging are different decisions.
RAW → NET → ALLOWANCE → PACKKeep the formula, assumptions, and supplier check beside the result so a changed condition can be recalculated.
INPUT + METHOD + LIMITField notes
Learn how to measure curtains in millimetres for poles, tracks, recesses and drops, with checks for fullness, lining and fitting clearance.
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Editorial standard
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Editorial policyStart with the floor plan