Floor Area Ratio Calculator — Free Online Tool
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Floor Area Ratio Calculator

Calculate Floor Area Ratio (FAR) and maximum allowable building area

Zoning Standard: $\text{FAR} = \frac{\text{Total Building Floor Area (Gross Floor Area)}}{\text{Total Lot Area}}$
Property & Building Parameters

Calculation Results

⚠️ Floor Area Ratio (FAR) regulations vary widely by municipality and zoning district. Always check local zoning codes for setbacks, lot coverage limits, and parking requirements.

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