dB to ratio Converter
Convert sound and audio units instantly with this free decibels to ratio converter.
Ideal for music production, acoustics, and audio engineering.
Features practical reference tables.
Last updated · How we build & check our tools
Frequently Asked Questions
Common questions about the dB to ratio Converter
Power ratio: 10^(dB/10). Voltage ratio: 10^(dB/20). Examples: 3 dB = 2× power, 1.41× voltage. 20 dB = 100× power, 10× voltage. 6 dB ≈ 2× voltage.
Explore Financial Toolset
Free financial calculators
Sources & References
International System of Units (SI): sound level
Sound level is measured in the decibel (dB); sound pressure in pascals (Pa). Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
International System of Units (SI)
Authoritative definitions for sound level, from the BIPM SI Brochure (9th edition), the defining reference for the SI.