Acoustic Foam Coverage Calculator
Find out exactly how much acoustic foam your room needs. Choose your room size, use case, and get coverage recommendations.
Longest dimension
Shortest dimension
Floor to ceiling
What you're using the room for
Existing acoustic treatment
Type of acoustic foam
Your budget for treatment
How much sound absorption needed
How much acoustic foam do I need?
Coverage depends on use: Basic treatment: 15-25% of wall/ceiling area; Recording studio: 40-50%; Home theater: 30-40%; Vocal booth/podcast: 50-60%. A common rule: treat the first reflection points first, then the rear wall and corners. Bass traps in corners are essential for most rooms.
Where should I place acoustic foam?
Priority placement: 1) Front wall (behind speakers/screen) - treat 60-80%. 2) First reflection points (side walls at mirror position) - critical for clarity. 3) Rear wall (behind listener) - 60-80%. 4) Ceiling corners (bass traps). 5) Any corners. Start with thesekey points before treating entire walls.
What's the difference between foam types?
Wedge/Egg crate: Basic absorption, good for mid/high frequencies, budget-friendly. Pyramid: Better diffusion + absorption, more coverage per panel. Bass traps: Thick panels for low frequencies (40-200Hz), essential for bass-heavy rooms. Combos: Mix of wall panels + bass traps. For studios, use bass traps in corners plus regular panels on walls.
Does acoustic foam completely soundproof a room?
No - acoustic foam reduces internal reflections (echoes), not sound transfer. For soundproofing (blocking outside noise), you need mass-loaded vinyl, resilient channels, and密封. Acoustic treatment makes the room sound better internally. Soundproofing is about isolation; acoustic treatment is about sound quality. You need both for serious studios.
How do I know if I have too much or too little treatment?
Too little: Audible echo/clap test, booming bass, muddy sound. Too dead: Room sounds "dead," uncomfortable for speech, unnatural. RT60 of 0.3-0.5s is ideal for most applications. A clap test: If it sounds like a sharp "pop," you need more treatment. If it sounds like a long "womp," you might have too much. Bass traps help with bass buildup that foam alone won't fix.