Live Events Calculators
Lighting, audio, video, and rigging calculators for live event production.
17 calculators across 5 groups
Lighting & Video
4 calculatorsLED Wall Power Consumption Calculator
Enter your panel max watts, count, brightness percentage, and service voltage. Get average and peak power, amperage per phase, and the recommended breaker size.
Pixel Pitch & Viewing Distance Calculator (LED Wall)
Enter pixel pitch in mm. Get minimum, optimal, and maximum viewing distances in feet and meters.
Projection Throw Distance Calculator
Enter throw ratio and screen width. Get throw distance, screen height/diagonal, and recommended ANSI lumens.
Projector Lumens for Venue Calculator
Enter screen width and height, pick ambient light level. Get required lumens and projector class.
Audio
8 calculatorsSpeaker SPL at Distance Calculator (Inverse Square Law)
Enter the speaker's rated SPL at 1 meter and the distance to the listener. Get the SPL at that distance plus a coverage curve.
Speaker Delay & Time Alignment Calculator
Enter distance from main speaker to secondary. Get delay in ms and samples at 44.1k/48k/96k.
Subwoofer Array Spacing Calculator (Cardioid, Endfire)
Pick array type, enter center frequency, and number of subs. Get spacing, delay, and rear rejection.
BPM to Delay Time Calculator (ms) — All Note Divisions
Enter BPM. Get delay times in ms for every note division (1/1 through 1/32) plus dotted and triplet variants and LFO rate in Hz.
dB Addition Calculator (Combining Sound Sources)
Enter dB values of multiple sources. Get the combined total and increase from the loudest single source.
RT60 Reverb Time Calculator (Sabine Equation)
Enter room volume, surface area, and average absorption coefficient. Get RT60 in seconds with venue-type guidance.
Frequency to Wavelength Calculator (Sound)
Enter frequency in Hz. Get wavelength in meters, feet, and inches. Plus 1/4 and 1/2 wave for room treatment.
Phantom Power Load Calculator (Console Budget)
Add condenser mics with their mA draw and count. Get total draw and percentage of console budget.
Power & Electrical
2 calculatorsFestival Lighting Power Load Calculator
Add fixtures with their wattage and count. Get total amps, recommended breaker, and per-phase distribution.
Cable Voltage Drop Calculator (NEC 3% Rule)
Enter wire AWG, material, load amps, distance, and voltage. Get voltage drop %, voltage at load, and NEC compliance check.