Curtain Size Lab Search

STYLE GUIDE · REVIEWED SEPTEMBER 11, 2026

Tab-Top Curtain Sizes and Fullness

Measure tab-top curtains by working width, heading reference, fullness, and finished drop, with inch and centimeter guidance.

MEASURED WIDTHFINISHED DROP
Original proportional diagram. Use actual measurements; drawing is not to scale for a specific product.

SHORT ANSWER

Start here

Tab-top curtains usually suit a lighter 1.5×–2× fullness range. Measure length from the manufacturer’s stated reference and confirm whether the tabs are included in the listed overall length.

Fullness range1.5×–2×
Headingtab top
RegionsUS and international
Value typedesign recommendation

How to measure

  1. 01

    Measure the actual working rod or track width; if hardware is not installed, record the window-frame width and your planned side extensions separately.

  2. 02

    Measure the drop from the reference point stated for the selected heading—not from an unrelated edge of the window.

  3. 03

    Check whether a package contains one panel or a pair, then compare total flat fabric width rather than the label width alone.

  4. 04

    Recheck the selected product, tape, hooks, carriers, and fabric before ordering or cutting.

How to measure tab-top curtains

Check whether listed length includes the tabs Start with the actual rod or track and the heading reference named by the manufacturer.

How to use the fullness range

Multiply working coverage by an editable value between 1.5 and 2. Use the lower end for a lighter effect and the higher end only when the fabric and system support it.

Important limitation

Visible tab depth changes the top reference point; thick fabric may need more pole clearance.

AUDITABLE DATA RECORD

Tab-top curtains

Aliases
loop-top curtains
Heading
tab top
Fullness range
1.5×–2×
Commercial examples
Single ready-made panels
Regions
US and international
Value type
design recommendation
Limitations
Visible tab depth changes the top reference point; thick fabric may need more pole clearance.

Before you order or cut

Measure the actual window and selected product. Finished sizes, fullness, header take-up, hardware geometry, and manufacturer tolerances vary. Fabric can shrink, stretch, or behave differently by composition. Measurements do not guarantee fit, privacy, water containment, installation, load capacity, or structural safety. Use the selected product instructions, and have a professional workroom verify expensive custom-fabric orders.

SOURCE NOTES

What this page is based on

Measurements here combine mathematical results with labeled commercial conventions and design recommendations. Disagreements are kept as ranges rather than averaged into a false standard.

  1. MATILDA curtain product specificationsIKEA · reviewed 2026-09-11

    Manufacturer product guidance presents 1.5×, 2×, and 2.5× rod/track-width options for light through extra-full looks.