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Critical Distance Calculator

Compute critical distance r_c = 0.141·√(Q·R) from directivity and room constant.

Input Data

Input Directivity Q.
Input Room constant R.
m²

Results

0.997m
r_c = 0.141·√(Q·R).

At a glance:Critical Distance Calculator: enter parameters to compute results; complements related calculators.

Formula

r_c = 0.141·√(Q·R).

How to Use

  1. Enter directivity Q and room constant R.
  2. It returns critical distance.

Case Studies

Q=1, R=50 → r_c≈0.997 m

r_c = 0.141·√50 ≈ 0.997 m.

FAQ

What is critical distance?

Inside it direct sound dominates (clear); beyond it reverberation dominates.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Critical Distance Calculator（/acoustics/critical-distance）。