dB Calc
dB Calc Summary
dB Calc is a mobile iOS app in Books And Reference by Black Cat Systems. Released in Jan 2009 (17 years ago). It has 9.00 ratings with a 4.44★ (good) average. Based on AppGoblin estimates, it reaches roughly 51 monthly active users . Store metadata: updated Jul 9, 2025.
Store info: Last updated on App Store on Jul 9, 2025 .
4.44★
Ratings: 9.00
Screenshots
App Description
Need to quickly convert between various RF signal measurement units? dB Calc performs lots of decibel related conversions:
Decibel / Neper / Ratio Conversions:
Enter in either the dB, Np (nepers), power or voltage ratio, and the other values will be calculated.
Decibel / Power / Voltage Calculations:
Enter in the one known value, and the others will be calculated. Select the correct units before entering in the value. You can change the units of the displayed (calculated values) by selecting the new units. Enter in the resistance before entering in the known value.
The following units are available:
dBmW - dB ref to 1 mW power
dBuV - dB ref to 1 uV
dBu - dB ref to 0.7746 V (audio)
dBV - dB ref to 1 V
uW - microwatts
mW - milliwatts
W - watts
uV - microvolts
mV - millivolts
V - volts
RMS Waveforms Conversions:
Conversion between rms, peak, peak-peak voltage and current values for a user entered resistance. Sine, square, and triangle waveforms are supported.
Get your copy of dB Calc today, and take the hassle out of dB related conversions.