There is nothing quite like the heartbreak of ordering a gorgeous piece of custom decor, waiting eagerly for its arrival, and then realizing it’s just an inch too short or a fraction too wide. When it comes to small window treatments, accuracy is everything. A standard drape can puddle on the floor to hide a mistake, but a half window curtain is highly tailored—it needs to hover perfectly, floating right above your windowsill like a custom suit.
Because cafe curtains are predominantly used on non-standard or smaller windows, off-the-rack options rarely do them justice. At Argahome, we specialize in bespoke sizing to ensure that crisp, designer look.
Measuring for tier curtains is incredibly simple once you know the formulas. Grab a metal measuring tape, a notepad, and let’s get your window sized up perfectly!
Step 1: Choose Your Mounting Style (The Foundation)
Before you pull out the measuring tape, you must make a critical design decision: Inside Mount vs. Outside Mount. Your choice completely changes where you start and stop measuring.
Option A: Inside Mount (Sleek, Architectural, Modern)
This is where your tension rods for cafe curtains or slim permanent rods sit inside the window recessed casing.
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The Look: A crisp, modern cafe curtain style that showcases your window’s beautiful wooden trim or molding.
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Best For: Deep window sills and clean, minimalist interior aesthetics.
Option B: Outside Mount (Classic, Grand, Nostalgic)
This is where your cafe curtain rods are mounted onto the face of the wall or directly onto the outer window trim/frame.
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The Look: Leans into a cozy farmhouse cafe curtain or elegant French country cafe curtains vibe. It can make a tiny window feel visually wider and grander.
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Best For: Shallow window casings where a rod won't fit inside, or when you want to hide outdated window frames.
Step 2: How to Measure the Width (Calculating Fullness)
To avoid your curtain looking like a flat, sad bedsheet stretched across the glass, you need to factor in "fullness." Fullness creates those beautiful, luxurious fabric waves.
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Measure the Base Width:
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For Inside Mount: Measure the exact horizontal distance inside the window casing at the point where your rod will sit. Tip: Measure in three places (top, middle, bottom) and use the narrowest width.
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For Outside Mount: Measure the width of the window frame, and add 2 to 4 inches total (1–2 inches on each side) so the fabric completely overlaps the window edges for maximum privacy.
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Apply the Arga Home Fullness Formula:
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Standard Luxury Fullness (2x) - Highly Recommended: Multiply your base width by 2. This gives you classic gathered waves, perfect for linen cafe curtains or cotton panels.
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Minimalist/Tailored Fullness (1.5x): Multiply your base width by 1.5. This works beautifully if you have an intricate embroidered cafe curtain pattern that you want to keep relatively flat and legible.
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Example: If your inside window width is 30 inches, and you want our signature luxurious look, your total ordered fabric width should be 60 inches (30 x 2).
Step 3: How to Measure the Length (The Drapery Drop)
Determining the length is where you get to control your view and your sunlight.
1. Find your Rod Placement (Where the curtain starts)
How high should I hang cafe curtains? The classic designer rule is to place the rod right at the meeting rail (the middle horizontal sash bar of a double-hung window). This usually cuts the window at a balanced 50/50 split.
If you live on a busy street and require privacy cafe curtains, you can raise the rod to cover two-thirds (2/3) of the glass.
2. Measure down to the Sill (Where the curtain ends)
For Inside Mount: Measure from the top of where the rod will sit down to the top of the windowsill. Deduct 1/4 inch from this final number. This tiny deduction prevents the bottom hem from constantly rubbing against the sill, keeping your kitchen cafe curtains clean and crisp.
For Outside Mount: Measure from your planned rod position down to 1 inch below the windowsill for a seamless, draft-blocking look.
💡 The Crucial Hardware Factor: Rings vs. Pockets
Are you sliding the rod directly through a fabric pocket, or using cafe curtain rings/clips?
If using rings, the curtain will hang slightly lower. Measure from the bottom of the ring eyelet to the sill so you don't accidentally order them too long!
Quick Summary Checklist for Arga Home Ordering
When you head over to our custom builder tool, make sure you have checked off these three details:
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Base Width (multiplied by 1.5x or 2x for fullness).
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Finished Length (with the 1/4-inch deduction if doing an inside mount).
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Fabric Selection: Do you need airy sheer cafe curtains for a dark hallway, or light filtering cafe curtains to block office glare? If it's a short curtain for bathroom use, remember to choose a breathable textile that handles humidity like a pro.
The Arga Home Seamless Promise
Measuring doesn’t have to be intimidating. Because we specialize in artisan window treatments, we cut your fabric down to the exact inch. Whether you are dressing a tiny vintage window or looking for consistent small window treatments across a modern addition, we ensure a tailored fit.
Plus, we make the process entirely stress-free by offering beautifully coordinated, sturdy cafe curtain rods, brackets, and fluid gliding clips directly on our site—giving you a flawless look straight out of the box.
Ready to measure? Try our curtain measuring tool.
Best Locations for Cafe Curtains: Beyond the Kitchen
The Ultimate Guide to Cafe Curtains: Style Meets Privacy
Choosing the Perfect Fabric for Your Cafe Curtains
Cafe Curtains: Achieving a Precise Balance of Privacy and Light