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Fabric & Lining Calculator – Roman Blinds
Enter finished width & drop, then get face + lining metres including pattern repeat, allowances and tolerance.
Inputs
Your made blind width (not the recess width).
Top to bottom finished blind length.
Number of identical roman blinds.
Changes the default allowances below.
Face fabric settings
Typical 137–140cm.
Total added = 2 × this.
For headrail/velcro + turnings.
For hem + bar pocket.
Extra length to allow for stack when raised.
0 if plain. Applied to face cut length only.
e.g. 1.05 = +5%.
Optional extra repeats for centring/matching.
Lining settings
Switch to No if unlined.
Often 137cm.
If different to face fabric.
If different to face fabric.
Please enter both Finished blind width and Finished blind drop (numbers greater than 0).
Formula notes:
Fabric widths are rounded up to whole usable widths. Pattern repeat rounds the face cut length up to the next full repeat, then optional extra repeats are added for matching. Lining does not apply repeat. Tolerance applies to both.
Results
Recommended to order (TOTAL)
—
metres (rounded up to 0.1m)
Face fabric
—
metres
Lining
—
metres
Breakdown
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