Blind Size Calculator
Result
Blind Size Calculator Calculate the correct window blind size for inside mount or outside mount installation. — free online calculator.
Formula
- Blind Size Calculator calculates its result from Window Width, Overlap. It uses the formula Inside: W = window width − 1/4 in; Outside: W = window width + 2×overlap. Change any input to recalculate the result instantly.
- The main inputs are Window Width, Window Height, Mount Type, Outside Overlap. 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: Blind Size
- Window Width: 36
- Window Height: 48
- Mount Type: inside
- Outside Overlap: 2 each side
Using Window Width = 2, Overlap = 3, the calculated result is 8.
Sample result: Calculating…
Frequently asked questions
What does the Blind Size calculate?
Blind Size Calculator Calculate the correct window blind size for inside mount or outside mount installation. — free online calculator.
Which values should I enter?
Enter Window Width, Window Height, Mount Type, Outside Overlap using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Inside: W = window width − 1/4 in; Outside: W = window width + 2×overlap.
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.