# E3 Compliance Calculator

> Electrical and signal integrity conversion calculator for EMC/SI testing. (iPhone/iPad app by E3 Compliance LLC.)

- Source: https://appshunter.io/ios/app/e3-compliance-calculator/id1465638458 (this page in markdown: same URL + `.md`)
- Developer: [E3 Compliance LLC](https://appshunter.io/developer/1547191364)
- Category: Utilities, Education
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 14.4 · 1 MB
- Languages: English
- Released: 2019-06-10
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/e3-compliance-calculator/id1465638458/reviews.md

## What is E3 Compliance Calculator?

A conversion calculator designed for testing at E3 Compliance, an independent consulting company based in Grand Rapids, Michigan specializing in Electromagnetic Compatibility (EMC) & Signal Integrity (SI) design, analysis, pre-compliance testing, root cause analysis and training.  This app features a conversion calculator for:

POWER CONVERSIONS
-dBm to Watts
-Watts to dBm
-dBW to Watts
-Watts to dBW
-dBW to dBm
-dBm to dBW

VOLTAGE CONVERSIONS
-dBµV to Volts
-Volts to dBµV
-dBV to Volts
-Volts to dBV
-dBV to dBµV
-dBµV to dBV

CURRENT CONVERSIONS
-dBµA to µA
-µA to dBµA
-dBµA to mA
- mA to dBµA
-dBmA to dBµA
-dBmA to mA

WAVELENGTH CONVERSION
-MHz to m

This app also features a built-in calculator to quickly transition from conversion to calculation.

## Key features

- Power conversions (dBm, Watts, dBW)
- Voltage conversions (dBµV, Volts, dBV)
- Current conversions (dBµA, µA, mA, dBmA)
- Wavelength conversion (MHz to m)
- Built-in calculation tool


## Frequently asked questions about E3 Compliance Calculator

### What types of conversions does E3 Compliance Calculator offer?

E3 Compliance Calculator offers conversions for power (dBm, Watts, dBW), voltage (dBµV, Volts, dBV), current (dBµA, µA, mA, dBmA), and wavelength (MHz to m).

### Is E3 Compliance Calculator free to use?

Yes, E3 Compliance Calculator is completely free to download and use, with no in-app purchases or advertisements.

### What devices is E3 Compliance Calculator compatible with?

E3 Compliance Calculator is designed for iPhone and iPod devices.

### How often is E3 Compliance Calculator updated?

The latest version, 5.0.6, was released on September 2, 2021. Previous updates suggest regular maintenance and feature additions.

### What is the age rating for E3 Compliance Calculator?

E3 Compliance Calculator has an age rating of 4+, making it suitable for a wide range of users.

### Does E3 Compliance Calculator have ads?

No, E3 Compliance Calculator is ad-free, providing an uninterrupted user experience.

### What is the user sentiment for E3 Compliance Calculator based on ratings?

Based on 2 ratings, E3 Compliance Calculator has an average rating of 5.0 stars, indicating very positive user feedback.

### Can I perform calculations directly within E3 Compliance Calculator?

Yes, E3 Compliance Calculator includes a built-in calculator that allows you to quickly transition from conversions to calculations.

## Version history (last 5 releases)

### 5.0.6 — 2021-09-02

-Bug fix for info screen
-New info screen
-Testing area created for upcoming calculators

### 4.1 — 2020-12-31

Corrected issues with dark mode.

### 4.0 — 2020-12-21

-Added capability of inputing negative numerals into formulas.
-Updated side menu presentation style.

### 3.0 — 2019-06-14

Resolved keyboard issues and updated button functions.

### 2.0 — 2019-06-13

Fixed issues with keyboard.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*