The calculation for the amount of lining required to make a pair of curtains is the same as the calculation for plain fabric, except when calculating the cut drop the heading allowance will be 5cm and the hem allowance will be 16cm for floor length curtains and 12cm for sill length curtains.
LINING CUT DROP
To calculate the Lining Cut Drop:
* We also add a 5cm trimming allowance to enable us to straighten the ends of the cut lengths
LINING QUANTITY REQUIRED
To calculate the amount of lining required to make a pair of curtains:
- Multiply the "Number of fabric widths" by Lining Cut Drop
Alternatively try our online calculator.