Engineering Calculators

Professional AV engineering calculations — real-time, standards-based

Viewing Distance
AVIXA DISCAS standard
screen parameters
Inputs
AVIXA DISCAS standard
Results
Image Height
4.9ft
58.8 in
Image Width
8.72ft
104.6 in
Minimum Viewing Distance
4.9ft
Optimal Viewing Distance
12.3ft
Maximum Viewing Distance
19.6ft
Recommended Seating Rows
4
36" row spacing
Visual Arc at Optimal
39.1°
Ideal: 30–70°
Ideal Arc
1 of 14

Formulas based on AVIXA DISCAS, NEC 2023, IEEE 802.3at/bt, Sabine Reverberation, and industry-standard AV engineering references. Always verify critical calculations with project-specific conditions.