🪟 Curtain Size Calculator
What size curtains do you need? Width, drop, and fullness — sorted.
YOUR RESULT
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Curtain dimensions and pole width
What this tool helps with
Curtain dimensions and pole width
How This Calculation Works
The Curtain Size Calculator provides a fast, transparent way to compute curtain dimensions and pole width. Unlike traditional estimation spreadsheets or ad-heavy blogs with thousands of words of filler, this tool executes 100% locally in your web browser with zero server latency and complete privacy.
Input Parameters & Values Required
Window width (cm): Numerical entry (min: 0).
Window height (cm): Numerical entry (min: 0).
Hanging style: Selectable options: To windowsill, Below windowsill (15cm), To floor.
Contextual Standards & Calculation Methodology
Measurement conversion relies on exact international scientific constants (such as ISO standard ratios and fixed imperial-to-metric multipliers). This tool executes float-precision math to eliminate cumulative rounding drift across conversions.
Best Practices for Accurate Results
- Use realistic baseline inputs: Default placeholder figures provide a quick demonstration, but inserting your specific figures will produce substantially more valuable insights.
- Account for unlisted variables: In complex real-world situations (such as pension contributions on a salary or variations in dog breed lifespans), consider using related specialized tools below to cross-check figures.
- Privacy guarantee: None of your figures leave your device. All calculations occur inside your browser memory.
Frequently Asked Questions
Curtain width should be 2-2.5x the pole width for proper fullness.
15-20cm above the window frame and 15cm wider each side.