Getting the right measurements for your curtains is easy, just follow our step by step guide.


We recommend fitting your track or pole first. If you need help measuring or fitting your track or pole, visit our tracks and poles guide.

Curtain Width

Step 1: Measuring your curtain track or pole

Curtain Track
Curtain Tracks:

Measure along the top of the track from end to end, this is the curtain width you need to buy.

Curtain Track
Curtain Pole:

Measure only the pole length, not the finials. This number will be your curtain width.

Top Tip:

For the best fit your track or pole should be 15-20cm above your window, and should stretch 15-20cm wider than the window on each side.

Curtain Length

Step 1: Deciding on your curtain length

There are three options to choose from:
Above Sill
Above Sill:

Should end 1cm above the windowsill.

Below Sill
Below Sill:

Should end 15cm below the windowsill.

Floor Length
Floor Length:

Should end 1cm above the floor.

Top Tip:

For windows over radiators, curtains should end 2-3cm above the top of the radiator so the heat does not escape behind the curtain.

Step 2: Measuring your curtain length.

Curtain Pole:

Measure from the top of the pole to your chosen end point.

Pencil Pleat
Pencil Pleat:

Measure from the eye of the curtain ring to your chosen end point.

Curtain Track
Curtain Track:

Measure from the top of the track to your chosen end point

Top Tip:

Windowsills and floors can be uneven, so measure at 2 or 3 different points and use the smallest measurement as your length.


Dunelm's ready made curtain dimensions

All of our ready made curtain sizes are labelled with 'width by drop' sizing, so the first number is always the measurement across, and the second is always the measurement down.

Our ready made curtains are sold in pairs, and the size refers to each individual curtain. For example, a pack of curtains labelled W 117cm X D 137cm will contain two curtains each measuring 117cm by 137cm.