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Sound Intensity (Decibel) Calculator

Calculate sound level in decibels: dB = 10 × log₁₀(I / I₀). Reference I₀ = 10⁻¹² W/m² (threshold of hearing).

Input

Use scientific notation, e.g. 1e-6

Result
60.00
Sound level (dB)
Loud
Category

dB = 10 × log₁₀(1.00e-6 / 10⁻¹²) = 60.00 dB

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