Cushion cover

Start from the app’s rectangular-piece template. Choose a size, adjust your measurements and calculate the fabric before cutting.

How the calculation works

Each piece is cut 1 cm larger on every edge, so its width and its length each grow by 2 cm.

A worked example: Cushion cover, 45 × 45 cm · 18 × 18 in

Fabric width: 140 cm
Seam allowance per edge: 1 cm
Usable fabric width: 140 cm

Front × 1 — Width: 45 cm + 2 × 1 cm = 47 cm · Length: 45 cm + 2 × 1 cm = 47 cm
Back panel × 2 — Width: 45 cm + 2 × 1 cm = 47 cm · Length: 30 cm + 2 × 1 cm = 32 cm

Where each piece sits on the fabric

Front: 47 cm × 47 cm — x 0 cm · y 0 cm
Back panel 1: 47 cm × 32 cm — x 47 cm · y 0 cm
Back panel 2: 47 cm × 32 cm — x 47 cm · y 32 cm

x: distance from the fabric edge · y: distance along the fabric length

Required: 64 cm · 0.64 m · 0.7 yd
Unused fabric area (%): 41.8

A worked example: Cushion cover, 45 × 45 cm · 18 × 18 in (Inches)

Fabric width: 54 in
Seam allowance per edge: 0.5 in
Usable fabric width: 54 in

Front × 1 — Width: 18 in + 2 × 0.5 in = 19 in · Length: 18 in + 2 × 0.5 in = 19 in
Back panel × 2 — Width: 18 in + 2 × 0.5 in = 19 in · Length: 12 in + 2 × 0.5 in = 13 in

Required: 26 in · 0.66 m · 0.72 yd

Length needed for each template size and fabric width

40 × 40 cm · 16 × 16 in: 110 cm → 58 cm · 140 cm → 42 cm · 150 cm → 42 cm
45 × 45 cm · 18 × 18 in: 110 cm → 64 cm · 140 cm → 64 cm · 150 cm → 47 cm
50 × 50 cm · 20 × 20 in: 110 cm → 70 cm · 140 cm → 70 cm · 150 cm → 70 cm
60 × 60 cm · 24 × 24 in: 110 cm → 146 cm · 140 cm → 84 cm · 150 cm → 84 cm

40 × 40 cm · 16 × 16 in: 44 in → 24 in · 54 in → 17 in · 60 in → 17 in
45 × 45 cm · 18 × 18 in: 44 in → 26 in · 54 in → 26 in · 60 in → 19 in
50 × 50 cm · 20 × 20 in: 44 in → 28 in · 54 in → 28 in · 60 in → 28 in
60 × 60 cm · 24 × 24 in: 44 in → 59 in · 54 in → 34 in · 60 in → 34 in

Template sizes and pieces

Measurements do not include seam allowance. The calculator adds it to each edge.

Fabric width: 140 cm · 54 in
Seam allowance per edge: 1 cm · 0.5 in

Piece	Width × Length (cm)	Width × Length (in)	Quantity
Template size: 40 × 40 cm · 16 × 16 in
Front	40 × 40	16 × 16	1
Back panel	40 × 27	16 × 11	2
Template size: 45 × 45 cm · 18 × 18 in
Front	45 × 45	18 × 18	1
Back panel	45 × 30	18 × 12	2
Template size: 50 × 50 cm · 20 × 20 in
Front	50 × 50	20 × 20	1
Back panel	50 × 33	20 × 13	2
Template size: 60 × 60 cm · 24 × 24 in
Front	60 × 60	24 × 24	1
Back panel	60 × 40	24 × 16	2

Projects

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50 × 60 cm · 20 × 26 in

Duvet cover

200 × 200 cm · 88 × 92 in

Curtains

Window 120 cm · 48 in

Tablecloth

140 × 220 cm · 56 × 84 in

Try a tool

Try it here, without an account.

Compare fabric widths

Change the usable fabric width and compare the length needed for the same pieces.

Fabric yardage calculator

Lay out rectangular pieces across your fabric width, with grain direction and seam allowance.

Folded fabric planning

Compare single-layer and folded cutting. Keep the grain and cut-on-fold requirements explicit.