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How to Measure for Custom Cushions | Accurate Sizing Guide

Perfect fit starts with perfect measurements. Follow this guide to measure your furniture frames accurately.

Critical Measuring Rules

1

Measure the Furniture, Not the Foam

Old foam compresses and warps over time. For the best fit, measure the inside dimensions of the furniture frame where the cushion will sit.

2

Use a Firm Tape Measure

Cloth measuring tapes can stretch. Use a retractable metal tape measure for straight lines and rigid accuracy.

3

Width vs. Depth

Width is always left-to-right (looking at the seat). Depth is front-to-back. Getting these swapped is the most common mistake!

4

Round to the Nearest 0.5 Inch

Don't guess. If you are between inches, round down for a snug fit inside a frame, or round up if the cushion sits on top.

Standard Rectangle & Square

  1. Measure Width (Side to Side): Measure the back of the seat frame from left to right. Then measure the front.
  2. Measure Depth (Front to Back): Measure from the front edge of the frame to the very back rest.
  3. Determine Thickness: Standard bench pads are 2–3″. Deep seating often starts at 4–6″.
measure_standardrectanglesquare

Trapezoid

  1. Measure Back Width: Measure the width at the very back of the seat, where it meets the backrest.
  2. Measure Front Width: Measure the width at the very front edge of the seat.
  3. Measure Depth (Center): Measure from the center of the front edge straight back to the center of the rear edge.
measure_trapezoid

T-Shape Cushions

  1. Total Front Width: Measure the total width across the very front, including the "ears".
  2. Back Width (Between Arms): Measure the width at the back, fitting strictly between the arms.
  3. Total Depth vs. Ear Depth: We need the Total Depth and the Ear Depth.
measure_tshapecushions

L-Shape

  1. Back Lengths (Long Sides): Measure the total length of the back edge for Leg 1 and Leg 2.
  2. Seat Depth: Measure how deep the seat is from front to back for both legs.
  3. Inner Lengths: Measure the interior edges to confirm the angle is 90 degrees.
measure_lshape

Round Cushions

  1. Measure the Diameter: Measure straight across the widest part in 2-3 different directions.
  2. Papasan Chairs (Bowl Shape): Lay the tape along the bowl's curve, from edge to edge.
measure_roundcushions

Triangle Cushions

  1. Measure All Three Sides: Measure Side A, Side B, and Side C separately.
  2. Check the Corner Angle: Confirm if the back corner is a perfect 90-degree angle.
measure_trianglecushions

Still not sure?

Complex shapes like papasan chairs or antique furniture can be tricky. You can always send us a template or photos.

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