Video & display
- TV & Display Mounting Height Calculator: find the ideal center-of-screen height by room type, with a live diagram.
- Screen Size & Viewing Distance Calculator: find the right display size for a room, or the ideal viewing distance.
- Aspect Ratio Calculator: simplify any width and height to a ratio, and scale a resolution proportionally.
Video wall
- LED Video Wall Calculator: resolution, physical size, aspect ratio, and viewing distance from pixel pitch and cabinet grid.
Audio
- Speaker Delay Calculator: time-align a delay or fill speaker with the main, in milliseconds and samples.
- Speaker Impedance Calculator: total load for speakers wired in series, parallel, or series-parallel, with an amp-safety check.
- Speaker Placement Calculator: ceiling speaker spacing and grid layout from ceiling height and coverage angle.
- Speaker Coverage Calculator: one speaker's coverage diameter and area, and how many a room needs.
- Speaker Wattage Calculator: match amplifier power to a speaker's RMS rating with headroom.
- Amplifier Power Calculator: watts needed to reach a target SPL at a distance.
- SPL Calculator: sound pressure level at a distance from sensitivity and power.
- RT60 Reverberation Calculator: estimate a room's reverberation time with the Sabine formula.
Signal & storage
- HDMI Bandwidth Calculator: uncompressed data rate by resolution and the HDMI version that carries it.
- Video Bitrate Calculator: uncompressed and delivery bitrate for a video format and codec.
- Video File Size Calculator: file size in GB from bitrate and duration.
- CCTV Storage Calculator: recording storage from camera bitrate, hours, and retention.
- NVR Storage Calculator: IP camera storage from resolution, frame rate, and codec.
Rack & power
- Rack Unit (U) Calculator: convert rack units to inches and millimeters, and plan free space in the rack.
- UPS Runtime Calculator: estimate battery backup time from the battery bank and load.
Lighting
- Foot-Candle / Lux Calculator: convert foot-candles and lux, and find total lumens over an area.
- Lux to Lumens Calculator: convert a target lux over an area into lumens delivered.