What to consider
Do not mix centimetres and metres. Note differing window sizes in the comments; area does not replace fabric-length calculations.
Practical details
This prepares a survey and proposal. Order finished fabric and mechanisms only after installation measurements are approved.
Plan your window dimensions
Area = width × height × quantity. This is the window area, not the fabric consumption. Folds, overlap, hardware, installation and access are assessed separately. An estimate is not a final offer.
Use these dimensions in a request