How to Use This Calculator
- Enter the BPM (Beats Per Minute) of your music or project
- Input the volume of your mixing room in cubic meters (m³)
- Select the type of room you're working with
- Click the "Calculate" button to see the estimated RT60 values
Understanding the Results
The calculator provides three important reverb time measurements:
- Room RT60: The overall reverb time of your room
- Bass RT60: How reverb behaves at lower frequencies
- Treble RT60: How reverb behaves at higher frequencies
Working Principle
This calculator uses a simplified version of the RT60 formula (Reverb Time at 60 dB decay):
RT60 = 0.161 × (S × c) / (A × 10-3)
Where:
- S is the room volume in cubic meters
- c is the speed of sound (approximately 343 m/s)
- A is the total absorption in the room (measured in meters of equivalent absorption)
Practical Applications
These calculations help you understand how your room's acoustics will affect audio mixing. For example:
- A room with a long RT60 (high reverb) might make your mix sound muddy
- A room with a short RT60 might make your mix sound dry and thin
- The optimal RT60 varies by genre (e.g., rock might need less reverb than jazz)