dB Calc

dB / Neper / Power / Voltage

USD 0.99 · Designed for iPad

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.

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Changes and improvements for new iOS updates.

Version 3.0

The developer, Black Cat Systems, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Provider
      • Black Cat Systems
    • Size
      • 1.2 MB
    • Category
      • Reference
    • Compatibility
      Requires iOS 15.6 or later.
      • iPhone
        Requires iOS 15.6 or later.
      • iPad
        Requires iPadOS 15.6 or later.
      • iPod touch
        Requires iOS 15.6 or later.
      • Mac
        Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2008-2025 Black Cat Systems
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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