How To Measure Roller Shades

You've got this! Just follow our simple steps.

Size range: Our roller shades fit windows from 24" to 118" wide and 24" to 120" high.

Before You Start

Grab these tools:

• Metal tape measure (steel works best)
• Phone notes or pen & paper
• Step ladder (if needed)

Quick prep: Clear your window area, check for obstructions like handles or locks.

Important: Measure each window individually - even identical-looking windows can vary!

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Step 1: Choose Your Mount

Pick what works best for your window:

Inside Mount ✓ Most popular

• Mounts inside the window frame for a clean, built-in look
• Requires 2" minimum depth from glass to front of frame to allow bracket to fit property inside
• Showcases your window trim
• Maximum light blocking and privacy
• Check for obstructions that might block shade operation

Outside Mount

• Mounts on the wall around your window frame or ceiling
• Covers the entire window frame and extends beyond it
  
• Perfect for shallow windows (<2" depth) or blackout needs
• Makes small windows appear larger

No Window Frame? (Ceiling Mount)

• Mount directly to ceiling above window opening
• Common for modern windows or architectural openings
  

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Step 2: Measure Width

Inside Mount

Width: Measure across the top of window frame only, edge to edge Record exact measurements - we'll make the deductions. Round down to nearest 1/8" if absolutely needed. 

Outside Mount

Width: Add 2-3" on each side of window opening for light control. Measure straight across where brackets will mount. Final size will be exactly what you order.

No Frame (Ceiling Mount)

Width: Measure across the top of the window exactly where you'll want your shade to sit above it.

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Step 3: Measure Height/Drop

For all mount types: Decide where you want your shade to end, then add 3-4" extra for better coverage. The extra length gives you flexibility and better light control.

Height measuring:

• Use the tallest measurement of your window
• Common ending points: windowsill, floor, or anywhere in between

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Step 4: Record Your Measurements

Write them down as Width × Drop (W × D)

Width Rounding Rules:

• Inside mount: Round down to nearest 1/8"
• Outside mount: Round up to nearest 1/8"
• Never round to nearest 1/2" or whole inch

Control side: Choose left or right for your chain or motor charging port

For manual shades: Pick the side with no obstructions for the chain to hang freely

For motorized shades: Choose a side easily accessible at the top of the window where your charging port will be located

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Ready to order? Your measurements are good to go

 

Questions? Email us at hello@shadeit.com, and we’re happy to help. No shade.