# Watts Amps Volts Calculator

> Electrical power calculator

Canonical page: [https://chrome-stats.com/d/id450813841](https://chrome-stats.com/d/id450813841)

## Overview

- **ID:** `id450813841`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Pro Certs Software Ltd
- **Category:** Utilities
- **Rating:** 4.50 / 5 (51 ratings)
- **Version:** 3.10.1
- **Last updated:** 2026-08-04
- **First published:** 2011-08-19
- **Size:** 25 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/watts-amps-volts-calculator/id450813841)
- **Website:** [https://www.procertssoftware.com/](https://www.procertssoftware.com/)
- **Privacy policy:** [https://www.procertssoftware.com/privacy-policy/](https://www.procertssoftware.com/privacy-policy/)

## Description

Electrical power calculator for calculating Watts (Power), Amps (Current), Resistance (Ohms), kW and Volts for AC and DC electrical circuits.

Easy to use electrical power calculator for converting and calculating to and from Watts, Amps, Volts, kW or Power Factor (PF) AC and DC.

Watts Amps Volts Calculator is an advanced Ohm's Law Calculator with electrical calculators including AC 1-phase (single-phase), AC 3-phase (three-phase) and DC electrical 
circuit calculations.

Supports AC Single Phase, AC Three-Phase, and DC electrical calculations in 16 different languages.

Supports dark mode and light mode.

AC Single Phase Calculations:
- Calculate Watts.
- Calculate Amps.
- Calculate Volts.

AC Three Phase Calculations:
- Calculate kW.
- Calculate Amps.
- Calculate Volts.
- Power Factor (PF).

DC Calculations:
- Calculate Watts.
- Calculate Amps.
- Calculate Volts.

Electrical units are measured in the following:
Current (I) Amps.
Power (P) Watts (or kW).
Voltage (V) Volts.
Resistance (R) in Ohm's

Simple, fast, and accurate — the electrical calculator you'll reach for every day.

Pro Certs Software: Trusted by professionals since 2011.

## Rankings

- #175,932 — Overall

## Review summary

Users find Watts Amps Volts Calculator helpful for solar planning and quick electrical calculations, praised for ease of use and broad coverage. Common drawbacks across reviews include intrusive ads, a perceived need for an internet connection (limited offline capability), and concerns about refunds. Some users also want more features like appliance wattage charts. Overall, the app is useful but buyers should weigh the ad burden, online requirements, and refund experiences when deciding to purchase.

### Pros

- Very useful for setting up a solar array and calculating consumption; faster and more accurate than manual math
- Easy to use with straightforward input and automatic calculations
- Covers Watts, Amps, and Volts and suits both novices and professionals
- Helpful for calculating appliance consumption and supporting design decisions

### Cons

- Ad-heavy experience with frequent ads that can disrupt usage
- Online-only requirement or strong internet content dependency; offline use is limited
- Refund and ownership concerns; some users report difficulty getting money back or perceive it as a scam
- Requests for additional features (e.g., charts of appliance wattage and more calculation options) indicating room for improvement

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Source: [Chrome-Stats](https://chrome-stats.com/d/id450813841)