Curtain Size Calculator
Result
Curtain Size Calculator Calculate the ideal curtain width and drop (length) based on window dimensions and curtain style. — free online calculator.
Formula
- Curtain Size Calculator calculates its result from Window Width, Fullness Multiplier, Window Height, Drop Allowance. It uses the formula Width = window width × fullness multiplier; Length = window height + drop allowance. Change any input to recalculate the result instantly.
- The main inputs are Window Width, Fullness Multiplier, Window Height, Drop Allowance. Enter them in the units and format shown in the calculator.
- Use the units, labels and assumptions shown beside each input so the formula is applied consistently.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Curtain Size
- Window Width: 2
- Fullness Multiplier: 3
- Window Height: 4
- Drop Allowance: 5
Using Window Width = 2, Fullness Multiplier = 3, Window Height = 4, Drop Allowance = 5, the calculated result is 9.
Sample result: Calculating…
Frequently asked questions
What does the Curtain Size calculate?
Curtain Size Calculator Calculate the ideal curtain width and drop (length) based on window dimensions and curtain style. — free online calculator.
Which values should I enter?
Enter Window Width, Fullness Multiplier, Window Height, Drop Allowance using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Width = window width × fullness multiplier; Length = window height + drop allowance.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.