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Measuring Curtain Width

Published in Curtain Measurement Guide 3 mins read

Measuring for curtains online involves taking accurate width and length measurements of your window and hardware.

To measure curtains for online ordering, you typically need both the width and the length of your window or curtain hardware.

Start by measuring the width of your curtain pole or track, not the window itself. This measurement determines how much space the curtains need to cover when closed.

  • For Poles: Measure the length of the pole between the decorative finials (the decorative ends).
  • For Tracks: Measure the full length of the track.

This base width is then used to calculate the fabric width needed for fullness. Online retailers usually provide guidance or have calculators based on your chosen heading type (e.g., Pencil Pleat, Eyelet) to determine the required fabric width to achieve the desired gathering or folds.

Measuring Curtain Length (Drop)

The length, also known as the drop, determines how long your curtains will be. The starting point for this measurement depends entirely on the type of heading and hardware you are using.

According to the reference, the starting points are:

  • Track: Measure from the top of the track.
  • Eyelet: Measure from the top of the pole.
  • Pencil & Pinch Pleat Pole: Measure from the eye - the small metal ring at the bottom of each curtain ring.

You then measure downwards from the appropriate starting point to where you want your curtains to finish.

Where Do You Want Your Curtains to Finish?

Decide on your preferred finishing point:

  • Sill Length: Usually about 1-1.5 cm (approx. 1/2 inch) above the windowsill.
  • Below Sill: Typically 15-20 cm (approx. 6-8 inches) below the windowsill.
  • Floor Length: Usually 1-1.5 cm (approx. 1/2 inch) above the floor to prevent dragging.

Table of Measuring Starting Points:

Heading Type Starting Point for Length Measurement
Track Top of the track
Eyelet Top of the pole
Pencil & Pinch Pleat Pole The eye (small metal ring at bottom of curtain ring)

Measure the drop in several places across the width of your window hardware, especially if you have uneven floors or windowsills, and use the smallest measurement to ensure the curtains don't drag.

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