11 free calculators to design your perfect entertainment space. Professional-grade tools using industry standards from THX, SMPTE, and Dolby.
Calculate the exact throw ratio and mounting distance for your screen size. Find if you need standard, short throw, or UST.
Find your ideal screen size based on seating distance using THX and SMPTE viewing angle standards.
Calculate required lumens for your screen size and ambient light conditions. SDR and HDR recommendations.
Compare cost per inch and find which display technology fits your space, budget, and viewing habits.
Compare 5-year total cost of ownership between lamp and laser projectors. Factor in replacements and electricity.
Get speaker sensitivity and subwoofer recommendations based on your room volume for reference-level audio.
Calculate exact ceiling speaker positions and elevation angles. Dolby-spec 30-55° placement guidance.
Calculate how many acoustic panels you need based on room size, wall type, and intended use.
Get a complete, timbre-matched shopping list — speakers, subwoofer, and receiver — for any configuration and budget.
Generate a visual layout with optimal speaker and seating positions. Visualize your entire setup.
Plan multi-row seating with optimal viewing angles and riser heights. Calculate platform requirements.
Calculate HDMI and speaker wire lengths based on room layout. Includes routing allowances and gauge recommendations.
Dedicated dark rooms optimized for cinematic immersion. Projector placement, screen sizing, and full surround sound.
Low input lag displays, 4K/120Hz support, and positioning for competitive gaming.
Ultra-short throw projector calculations, impact screen sizing, and brightness for simulator software.
Outdoor brightness calculations, portable vs permanent screens, weather-resistant recommendations.
Ceiling speaker placement, height channel configurations (5.1.2, 7.1.4), and AVR recommendations.
Two-channel stereo optimization, speaker placement triangles, and amplifier matching.
Speaker placement diagrams, wiring schematics, acoustic treatment maps, AVR calibration walkthrough, and 200+ accessory links. One guide, every step.
Get the Complete Blueprint — $29Our calculators use established standards from SMPTE (viewing angles), THX (reference-level audio and video), Dolby (speaker placement for Atmos), and ISF (display calibration). These are the same standards used by professional home theater installers.
Start with the Screen Size Calculator to determine your ideal display size based on seating distance. Then use Throw Distance if you're considering a projector, or TV vs Projector if you're undecided. For audio, start with Speaker Sizing to match your room.
Our calculators provide the same results regardless of products. We recommend equipment that matches your calculated specifications. We do earn affiliate commissions from Amazon purchases, but this doesn't affect your price or our recommendations. See our Affiliate Disclosure for details.
These calculators are optimized for residential spaces. While the formulas apply to commercial installations, professional integrators typically use more advanced modeling software that accounts for complex room acoustics, multiple viewing positions, and commercial-grade equipment specifications.