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Curtains & Windows Tools

Calculate fabric, fullness, panel, blind, rod, and window measurements.

10 toolsready to use

Estimate fabric length for paired curtains using fullness, usable fabric width, drops, hems, and repeat.

Estimate finished curtain cost from fabric usage, lining, hardware, and making charges.

Calculate the total flat curtain width needed for a selected fullness level.

Find a finished curtain length from mounting point to your chosen floor treatment.

Size a curtain rod beyond the window so curtains can stack clear of the glass.

Convert window measurements into an inside- or outside-mount blind order size.

Compare the complete cost of treating multiple same-size windows.

Calculate glazing and frame-opening area for film, blinds, or treatment quotes.

Calculate achieved fullness from flat fabric width and track width.

Determine how many ready-made panels are needed to cover a rod at the desired fullness.