AV Toolkit
Speaker Coverage SPL Distance Rack Power Projector Brightness
AV Toolkit

Professional audio and AV calculators

A clean multi-page toolkit for speaker coverage, SPL loss, rack power, amplifier sizing, voltage drop, cable gauge, projector brightness, and viewing distance.

Speaker Coverage

Estimate horizontal and vertical coverage footprint from throw distance and coverage angle.

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SPL Distance

Estimate SPL loss over distance using free-field inverse square law.

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Rack Power

Estimate current draw, circuit loading, and recommended branch circuit count.

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Amplifier Wattage

Get a fast amplifier power target from speaker RMS and headroom strategy.

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Voltage Drop

Estimate drop over copper conductors for fast field decisions.

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Cable Gauge

Find the smallest AWG that stays within your drop target.

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Projector Brightness

Estimate screen brightness in foot-lamberts and nits.

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Screen Viewing Distance

Estimate screen dimensions and near/far seating distances.

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This structure is ready for GitHub Pages. Upload all files into one repository root, then enable Pages from the main branch. Each calculator now has its own URL path, which is much better for SEO and sharing.