Download Volt / Amp / Watt Calculator apk 1.4 free for Android smartphone

10 Sep
Volt / Amp / Watt Calculator

Posted by CrawTek in Productivity | Sept. 10, 2014 | 70 Comments

Apk file size: 1.4 MB

Input any two values of Voltage (V), Amperage (A), Wattage (W), or Ohms (Ω) to find the other two missing values.

Want a feature to be added?
Let me know at [email protected]


If you leave less than a 4 star review please tell me why, I can't make the app better if you think its a one star app and don't tell me how I can improve it or what you think it is missing. Thank you.

I have been getting a lot of 1 star ratings for the app permissions. Let me explain them to you.

Photos/Media/Files - This is a requirement for any app that saves information to your phone. My app does not access any of your personal files it only saves if you have rated the app or not. If you rate the app it will save that information and never ask you to rate it again.

Wi-Fi connection information - Because my app asks you if you will rate it periodicity, it needs internet access to connect you to the play store to rate the app if you choose to.

Device ID & call information - This is required by Google to ensure the app is installed to the device it was download for.

Whats new

    Version 1.4
    You are now able to input the Ohms to find the missing values

CrawTek part of our Productivity and have average installs from 100000 to 500000. Last Update Sept. 10, 2014. Google play rating is 87.3597. Current verison is 1.4. Actual size 1.4 MB.

Download volt-amp-watt-calculator.apk 1.4 MB


Alexander Smith

Does the job well Easy to use! Just toss it onto your phones or tablets fellow Master Electricians and Technical Directors!

Running Hoove

Does What Every Idiot with half a brain can do in their head. Still, it makes a useful tool for those of us who are vastly more intellegent than the rest, but also lazy by nature.

Lee Litzau

Simple. Effective. Works well for these simple calculation while also giving me amperage without doing the math longhand. Even better for people who do not know the equations to generate this information. Very well done and thank you.

Steve Soo

Excellent little electricity formula app Nice and handy app to find out the power output from electrical devices. Quick and easy to use. Helped me determine which kitchen appliances are tripping out the circuit breaker

al phillips

Great. This app has saved me time and works perfect for my needs simple volts watts amps configuration easy to use.

James Russell

Great app Small yet very powerful, just what I needed without any of the permissions and addon's that drive people cRaZy. I thoroughly recommend this app to anyone who works with electronics or electricity.

Pablo Verity

Simple app Just what I was looking for. Brilliant, thank you for putting this together.

Barry St Cyr

It's not bad but..... I like this for little power, I just wish it was more geared towards 3 phase with power factors. May be too complicated to put into an app. Great for quick math on single phase though.

Rafael Roldan

A/C Puerto Rico Muy buena! Very good!

gilbert rivera

Tito Very helpful app. Used for car audio amp.

Jacob Ellis

Great This is a great little app for doing what it does. Layout is nice and simple and it works.

Morgan Lucero

Exactly what I wanted. Perfect for vaping!

Peyton Mills

Great Di everything it sai it will do!

Antony Wilson

Tony Volt calculator works well, keep it up.

Gary Scarber

Really easy and does exactly what it is supposed to do.

Travis Burd

Handy app to have, time and brain saver

Derek Ingleton

Simple works great Use it all the time. Does exactly what I need. No issues at all.

Kit Carson

Use out all the TIME great for my profession!!!!

Baker Ideis

Works great. Not sure why people rate it below five stars. 1. It's 100% accurate. 2. It does exactly what it says it does. 3. It's free with no ads. Just can't please some people I guess.

Michael S

Nice app Jusy what I was looking for.

Blair Roberts

Works great Huge help in a pinch

Ayman Hakouz

Good but need some themes

herschel mortimer

Basic Basically does good.

benjamin sadsad

awsome app.. must try

Dustin Stuart

Good app Does the job it says without extra fluff. Nice

Kevin Bates

Great Quick easy simple perfect

sri uttradhi math

Best Install it nad njoy

Joseph AULT SR

Work App does what it supposed to do

Andrew Osterhout

Good app Awesome and easy

Andrew Shaw

Really useful app

Juan Merino

Nice and simple

Richard Fry

Simple and does the job.

justice manear

Very helpful

Kevin Riley

Gets job done No muss, no fuss. No bells and whistles.

Dávid Kiss

UI needs a bit of redesign First of all, the colors vastly differ from all of my other applications. Secondly, both the reset and calculate buttons are only partly on my screen. I use a Motorola Moto G (Android L), and will gladly send the developer screenshots, if it helps. If the UI becomes more flexible, I'll update the rating to 5 stars, since the application itself does EXACTLY what it promised to do, and the developer has given a through, detailed description about app permissions. I like that in a fellow coder.

Andrea Stachler

Great. Simple, easy and accurate!

Anthony Huynh

It works It does what I need it to do

Randy Mason

Handy Tool Use it when running portable generator to calculate the load of the various tools and equipment to maximize available wattage.

Kulwant Singh

Working is good but display not good

Harold Audinwood

Does what it does Does what I need it to do. It doesn't seem to freeze up or anything. I don't even think it takes up much space or has ads.

Robert Cagle

Functions great. Only issue is on my new phone everything is huge . old phone it fit to my screen

Kevin Lundy

Very useful Helps a novice determine some basic values without having to break out a laptop or text book

lokesh lokesh

Nice but need "Ah" box to enter the value. " Amper hour"

Shess Rehman

Really good tool Used it for my diy solar project.

Samir AlSharee

I like it... Simple to use. It serves it's purpose quickly. Facial display can be improved. I gave it 4 star based on it's performance only.

Adam Counterman

I love this thing I use much mods all the time and I rebuild my own coils and it helps out a lot thank you.

Cassius Morgan

Does what it says. Simple. No frills. Gets the job done.

Joseph Chambers

Awesome I like to use this app to see how many amps things in the house draw.

javed iqbal

Very easy converted app. Thank u.

lesley corbitt

Awesome Love it makes life easier

Lindolfo Collor

Yeah bro Good app works well

David Huseonica

Very Useful Does exactly what it says.

anuj sharma

Good app Saving to won time.

Don Zombie

...quick, simple, easy to use..good for handyman and pro's. .accurate time saving tool

Devin Smith

Works great Using it for my mech mods and coil builds helps to plan these things out also helps at work I can do the math but I'd rather focus on what I'm doing

Hanafi Harron

Easy Simple to use

Ponsairaam Venkataraman

Helpful It helped me finish my projects

Jason Bissett

Ohms law made fast Perfect for what I need

Keith J

Mr k Great app, thanks !

Fariz Nur

Need 3 phase option Will be enough if provide 3phase calculation

Daniel Goodpaster

Excellent It is a great app. Only thing I sould change is the phone keyboard partially blocks the Calculate button.

Gary Smith

Very good, very easy to use. Sometimes you need the numbers quickly and accurately. I just put it on my Note 5 and use when needed. When shopping or in the Big Box stores it is very handy. One Love

Surajudeen Adeyemi

Very Lovely It simply makes working with power calculations easier than ever. Thanks a lot team. Two Thumbs Up for you!

Jeorge Nakpil

A must to those who works and consumes electrricity

Works Not the smoothest interface. Functional

Jeff Lockyear

Simple and effective. Removes guesswork.

ghirmai sium

Very good and educational,I think it is very helpfull for many that are interested in . elektrik.. Thank you!!

daniel boudreaux

Simple but great. Awesome app. Don't listen to the idiot trying to sound smart. Very helpful for solar planning.

Easy to use Really handy for calculating amps for camping!!!

Liutauras B

Cheesy interface but it works

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