Home Theater & Display Calculator

Precise calculators for your perfect home theater setup

Free home theater and display calculators: TV viewing distance, screen dimensions, projector throw, PPI, RT60 reverberation, acoustic panels, and speaker placement.

TV Size to Distance Calculator — Get THX & SMPTE recommended viewing distances for your TV size
Distance to TV Size Calculator — Find the ideal TV screen size for your viewing distance
Screen Dimensions Calculator — Calculate width, height, and area from diagonal and aspect ratio
Projector Throw Distance Calculator — Calculate projector placement distance from screen size and throw ratio
PPI Calculator — Calculate pixels per inch and minimum viewing distance for any display
RT60 Reverberation Time Calculator — Calculate room reverberation time using Sabine formula
Acoustic Panel Area Calculator — Calculate how much acoustic treatment you need to hit your RT60 target
Speaker Placement Guide — Get ITU-R and Dolby Atmos speaker placement recommendations
Room Mode Calculator — Calculate axial resonance frequencies and identify problematic standing waves
Screen Brightness Calculator — Calculate projector screen brightness in foot-lamberts and nits
Seating Riser Height Calculator — Calculate riser platform height so Row 2 sees over Row 1's heads in multi-row home theaters
Amplifier Power & SPL Calculator — Find the amplifier wattage needed to hit THX reference level (105 dB) in your room
Speaker Wire Gauge Calculator — Determine the minimum wire gauge for your speaker runs with acceptable power loss
Dolby Atmos Speaker Placement — Calculate optimal ceiling speaker positions for 5.1.2, 7.1.4, and 9.1.6 Atmos setups

Home Theater & Display Calculator

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