10 Best Free Online mAh to Wh Converter Websites
Here is a list of the best free online mAh to Wh Converter websites. “mAh” stands for milliampere-hour. It is a unit of electrical charge commonly used to measure the capacity of batteries. Whereas, “Wh” stands for watt-hour. It is a unit of electrical energy commonly used to quantify the total energy capacity or consumption over time. Converting mAh to Wh is useful for understanding the total energy capacity of a battery, which is crucial for estimating device runtime. The following formula is used for this conversion:
Wh = (mAh × V) / 1000, where V is the voltage of the battery.
In this post, I’m covering 10 websites where you can easily convert mAh to Wh online. These websites feature mAh to Wh conversion calculators where you can add your data and perform the calculation. To perform the conversion, you have to provide the voltage (in volts) along with the milliAmp-Hour value. This gets you the corresponding Watt-Hours value in the output.
My Favorite Online mAh to Wh Converter
All these websites offer almost similar conversion tools to perform mAh to Wh conversion. If I have to pick a favorite, I would go with GoalZero.com as it provides both, mAh to Wh and Wh to mAh, converters on the same page. You can add your inputs and use either converter to perform the desired conversion.
You can check out our other lists of the best free Online Battery Capacity Calculator Websites, Battery Discharge Time Calculator For Android, and Online Battery Life Calculator Websites.
Overview Table:
Name | mAh to Wh | Wh to mAh |
---|---|---|
GoalZero.com | ✓ | ✓ |
InchCalculator.com | ✓ | ✓ |
RapidTables.com | ✓ | ✓ |
EasyCalculation.com | ✓ | x |
TopOnlineTool.com | ✓ | x |
Calculatorology.com | ✓ | x |
AppleConverter.com | ✓ | x |
PowerBankExpert.com | ✓ | x |
FootPrintHero.com | ✓ | x |
ASUTPP.com | ✓ | ✓ |
GoalZero.com
GoalZero.com is a company that specializes in portable power stations, solar generators, and home backup systems. They offer a broad ecosystem of products, including power stations, solar panels, home and vehicle integration kits, expansion tanks, and lighting. Their website features a tool to Convert mAh to Watt Hours. This tool has a simple interface with two conversion sections side by side. The section on the top takes mAh and Voltage as input and converts that to Wh. Whereas, the section on the bottom takes Wh and Voltage and converts that to mAh. This facilitates the mAh to Wh and reverse conversion in a single tool. You can simply add your values and perform the conversion.
How to convert mAh to Wh online on GoalZero?
- Go to this online Wattage Calculator on GoalZero using the link given below.
- Enter the mAh and battery Voltage into the respective fields.
- Click the Calculate button to get the Wh value.
InchCalculator.com
InchCalculator.com offers a wide range of free calculators for various fields such as math, science, construction planning, electrical engineering, health and fitness, finance, and automotive. It provides over 3,000 calculators, including a featured Feet and Inches Calculator for adding and subtracting inches, feet, centimeters, and millimeters. Under the category of Electrical Calculators, it has a Milliamp-Hours (mAh) to Watt-Hours (Wh) Conversion Calculator. You can use this calculator to convert mAh to Wh. You can simply add your values and perform the conversion. The calculator takes a second and refreshes the page with the result. It shows the resulting Wh value along with a link to share the calculation online. The calculator also links to a Wh to mAh conversion calculator that you can use for reverse conversion.
How to convert mAh to Wh online on InchCalculator?
- Follow the link given below to access this converter tool directly.
- Add your mAh and Volts data into the tool.
- Then click the Calculate button to get the output.
RapidTables.com
RapidTables.com is a free website that offers a wide range of online calculators and tools for various purposes, including math, science, and finance. This website has a mAh to Wh conversion calculator. It is a simple tool where you can convert mAh to Wh online. The calculator takes the Voltage value along with mAh and converts that to Wh. It also provides the formula used for the conversion and breaks it down with additional information for users to understand and learn how this calculation is performed. Right under the calculator, it has a button that says “Wh to mAh calculator”. Clicking that button takes you to a Wh to mAh conversion calculator on the website.
How to convert mAh to Wh online on RapidTables?
- Head over to this mAh to Wh conversion calculator using the link provided below.
- Fill in your mAh and Voltage data in the calculator.
- Use the Calculate button to get the conversion result.
EasyCalculation.com
EasyCalculation.com provides various online calculators for different purposes. The website features many conversion calculators as well that let you convert one parameter into another. It has a Mah to Watt Hour Converter that you can use to convert mAh values to Wh. This calculator has input fields for mAh and Voltage. It takes the Voltage value in Volts. You can add your input and perform the conversion to get the respective Wh value in the output. The calculator shows the formula used and steps of the calculation with the final result.
How to convert mAh to Wh online on EasyCalculation?
- Head over to this calculator using the link added below.
- Enter the mAh and battery Voltage into the respective fields.
- Click the Calculate button to get the Wh value.
TopOnlineTool.com
TopOnlineTool.com is a website that provides a variety of free online calculators and conversion tools. The website aims to simplify complex calculations and make them easy and convenient for everyone. It offers a wide range of calculators, including age calculators, graph makers, converter calculators, calculus calculators, and more. You can use the mAh to Wh Calculator available on the website to convert any mAh value to Wh. To perform the calculation, you have to enter charge in milliamp-hours and voltage in volts. With that, you can run the tool to get the respective value in Wh.
How to convert mAh to Wh online on TopOnlineTool?
- Use the link given below to open this converter directly into your browser.
- Enter charge in milliamp-hours and voltage in volts there.
- Then click the Calculate button to get the result.
Calculatorology.com
Calculatorology.com offers a range of free online calculators for various purposes. These include financial calculators, Grade calculators, Math calculators, and more. The website features a Milliampere Hours to Watt Hours Conversion Calculator. This is a simple tool where you can convert mAh to Wh. The calculator takes the charge in milliamp-hours and voltage in volts. You can directly paste the values in the respective fields and run the tool to get the Wh output. Along with calculation, it also provides theoretical information about the conversion. It covers the formula and explains how the calculation is performed with the help of examples.
How to convert mAh to Wh online on Calculatorology?
- Go to this online Milliampere Hours to Watt Hours Conversion Calculator using the link given below.
- Enter the mAh and battery Voltage into the respective fields.
- Click the Calculate button to get the Wh value.
AppleConverter.com
AppleConverter.com is an online free converter that provides various tools for converting different file formats. It has an Online mAh to Wh Conversion Calculator. This tool can help you convert mAh values to wh in seconds. The calculator has a simple interface with two input sections for mAh and Voltage. You can add your data into the calculator and get the resulting Wh value in the output. Along with the result, the calculator shows the conversion formula with explanation. It provides links to other similar conversion calculators as well.
How to convert mAh to Wh online on AppleConverter?
- Follow the link below to access this online conversion calculator online.
- Add the mAh and battery Voltage into the calculator.
- After that, click the Calculate button to get the output.
PowerBankExpert.com
PowerBankExpert.com is a website that focuses on providing product reviews and comparisons for power banks. The website aims to help users find the best power bank for their needs. It has a free mAh to Wh Conversion Calculator. This conversion calculator takes mAh and Voltage as input. You have to provide the Voltage in Volts. With both values added, you can run the calculator to get the Wh value in the output. The web page of this calculator features a guide on how to use the calculator. It covers the conversion formula along with a list of common power bank capacities from mAh to Wh and Wh to mAh.
How to convert mAh to Wh online on PowerBankExpert?
- Use the direct link given below to open this conversion calculator.
- Provide the values of mAh and battery Voltage into the respective fields.
- Click the CALCULATE button to get the Wh in the output.
FootPrintHero.com
FootPrintHero.com is a website created by a DIY solar power enthusiast. The website features a variety of resources and tutorials related to solar power, including DIY solar power projects, solar reviews, and solar calculators. It has a Milliamp Hours to Watt Hours (mAh to Wh) Conversion Calculator. This calculator can help you easily convert mAh values to Wh in a matter of seconds. You can simply add your inputs into the calculator and run it to get the output. Apart from the conversion, it also features a Milliamp Hours to Watt Hours Conversion Chart. This chart provides direct conversions of various mAh values to Wh with a constant 3.7V voltage.
How to convert mAh to Wh online on FootPrintHero?
- Head over to this online conversion calculator using the link given below.
- Add the mAh and battery Voltage to the calculator.
- Click the Calculate Watt Hours button to get the Wh value.
ASUTPP.com
ASUTPP.com is an educational website that provides free resources and practical advice for learning electrical engineering. The website offers an extensive library of technical guides and practical advice on topics such as transistor symbols, diode symbols, resistor symbols, capacitor symbols, electric relay symbols, electrical switches, and much more. This website features a mAh to Wh Calculator that you can use to convert mAh to Wh. This is a simple tool where you can add your values and perform the conversion. It also covers the formula used in the calculation and provides an example of how such a calculation is performed. Apart from that, it also links to a Wh to mAh calculator where you can perform the reverse conversion.
How to convert mAh to Wh online on ASUTPP?
- Follow the link given below to open this conversion calculator directly.
- Add the charge in milliamp-hours and voltage in volts there.
- Then click the Calculate button to get the Wh value in the result.
Frequently Asked Questions
"mAh" stands for milliampere-hour, a unit of electrical charge commonly used to measure the capacity of batteries.
"Wh" stands for watt-hour, a unit of electrical energy commonly used to quantify the total energy capacity or consumption over time.
No, mAh and Wh measure different aspects—charge and energy, respectively. Conversion helps relate the two.
Converting mAh to Wh is useful for understanding the total energy capacity of a battery, which is crucial for estimating device runtime.
Use the formula: Wh = (mAh × V) / 1000, where V is the voltage of the battery.
Yes, the formula is applicable to any battery as long as you know its mAh rating and voltage.
Common values include 1.5V for alkaline, 3.7V for lithium-ion, and 9V for certain alkaline batteries.
Check the battery label or manufacturer's specifications. It is usually indicated in volts (V).
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