AV Calc Pro

Ditschmaster

About this app

AV Calc Pro is the comprehensive calculator app for professionals and trainees in event, media, and stage technology. It features over 80 specialized calculators across six categories – all usable offline.

Whether you're working in audio engineering, lighting technology, video, event technology, electrical engineering, or network technology, AV Calc Pro brings together the most important calculations for your daily work in a single, fast app – including interactive simulators for room modes and subwoofer arrays.








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6 CATEGORIES · 84 CALCULATORS
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🎧 AUDIO (16 CALCULATORS)
Room mode simulator (position speakers and listening position freely in the room, frequency response at the listening position), subwoofer array simulator (end-fire, CSA/cardioid, line, arc, beam steering as sound field heatmap), phase addition with phasor diagram, SPL and inverse square law, voltage ↔ dBu/dBV, dBFS ↔ dBu, loudness standards (LUFS) for Spotify, YouTube, EBU R128, etc., delay calculator with temperature and humidity, BPM → delay & reverb with tap tempo, frequency ↔ wavelength, RT60 (Sabine), speaker coverage, dB ↔ watts, phase calculator, sub/top alignment, audio file size.

🎬 VIDEO (14 calculators)
Resolution & aspect ratio with cinema presets (Flat, Scope, IMAX, etc.), crop factor, field of view, depth of field including hyperfocal distance, ND filter, shutter angle ↔ speed, projection calculator, flicker-free shutter, slow motion/overcrank, bitrate, memory & data rate with codec presets (ProRes, DNxHR, H.264/H.265), streaming bandwidth, frame rate conforming, letterbox/pillarbox.


💡 LIGHT (15 calculators)
Lux calculator, fc ↔ Lux, Lumen → Lux/Candela, Fixture Coverage Planner, Trim Height/Aim, DMX Address Patch with automatic patch list, sACN/Art-Net bandwidth, DMX Universe Planner, Kelvin ↔ Mired, Gel/Filter Shift (CTO/CTB), Beam Angle, LED Wall Pixel Pitch, Gobo Projection Size, Dimmer Load, LED Tape with power supply calculation.














↔ ... ⚡ ELECTRICAL (19 computers)
Ohm's Law, Power with cosφ, CEE reference, Cable cross-section, Power over distance, Voltage drop, Series/Parallel impedance (freely combinable), Conductor bundling, Fuse calculator, Three-phase current, Bridle/Stop, Round loop, Powerlock reference, Generator sizing, Phase balance, Cable drum load, Chain motor, Wind load, Rigging hardware reference.

🌐 NETWORK (9 computers)
Dante bandwidth, NDI/Video bandwidth, Subnet calculator, PoE budget, Fiber optic attenuation, EDID/Pixel clock, Multicast bandwidth, QoS/DSCP reference, Cable speed (Cat5e–Cat7).


🔧 TOOLS (11 calculators)
Calculator, Meters ↔ Feet, Inches ↔ cm, kg ↔ lbs, °C ↔ °F, mm² ↔ AWG, Rack Units (RU), Rack Planner, Frames ↔ Milliseconds, Time Conversion (Samples/Frames), Timecode ↔ Frames.









































































































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FEATURES
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✓ Completely offline – the app doesn't even request internet access
✓ No registration, no account, no ads

✓ Dark Mode & Light Mode

✓ Save favorites per category

✓ Bidirectional calculators with switching function

✓ Practical presets (LUFS standards, sensor formats, cinema ratios, codecs, and much more)

✓ Interactive simulators with floor plan, frequency response, and more Soundfield Heatmap

✓ BPM calculator with tap tempo and 12 subdivisions including triplets and dotted notes
✓ Formula display for each calculator – ideal for learning
✓ Fast, uncluttered interface

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WHO IS IT FOR?

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AV Calc Pro is designed for professionals and students in audio engineering, lighting technology, video technology, event technology, electrical engineering, rigging, broadcast, and media production. Whether you're preparing for a show, on set, in the studio, during installation, or in training – the app delivers precise results in seconds.

Download AV Calc Pro now and have all your essential calculations at your fingertips.

What’s new

5.2