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Baluster Equal Spacing Calculator
Find the fewest equal-width balusters that keep all clear gaps under an entered maximum.
Clear span between posts (mm), Baluster width (mm), Your maximum clear gap (mm)
JSON
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter the labelled values using the displayed units and explicit assumptions.
- Choose Calculate result and review the complete report and any undefined or no-solution states.
- Choose Download result to save the complete JSON. Reset clears the result and restores example controls.
Examples
Clear span between posts (mm): 2000
Baluster width (mm): 40
Your maximum clear gap (mm): 100
Limitations
- Positive clear rail span,baluster width and maximum gap in mm. Equal gaps at both ends and between balusters,integer count0–10000;report every center mark. Enter your own maximum gap;no code/safety recommendation,sloped rails or mounting allowance. A requested count that cannot fit the physical baluster width in the span is refused.
- Scalar controls accept explicit finite decimal syntax;positive values normally1e-12–1e12,nonnegative0–1e12 unless a narrower range is stated. JSON numeric rows use finite IEEE754 values within their stated bounds. Derived counts above1billion and nonfinite results refuse. Combined input<=400000UTF8 bytes;complete JSON<=4MiB. All processing stays in your browser.
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