Amp-Hours to Watt-Hours Conversion Calculator (Ah to Wh)

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On August 19, 2024

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Converting amp hours (Ah) to watt hours (Wh) is a simple calculation. Multiply the amp hours by the voltage to obtain the watt hours. The formula is: Wh = Ah * V. For example, if you have a 100 Ah battery with a voltage of 12V, the calculation would be 100 Ah * 12V = 1200 Wh. Use our interactive amp hours to watt hours conversion calculator for easy and accurate conversions at different voltage levels.

Table of Contents

Ah to Wh Calculator

Enter the values in the boxes, press ‘Convert’, and see the result.

Watt-hours (Wh):

Related Calculators

Ah to Wh Basic Formula

You can use a similar formula to get Amp Hours.

Formula: Amp hours(Ah) = Watt hours (Wh) / Voltage (V)

For example: For example, if you know that your battery energy value is 3000Wh and the voltage is 12 volts, using the formula Ah= Wh/ V, you can convert this to amperage hours :3000Wh/12V=250Ah.

Ah to Wh Conversion Charts (at common DC voltages)

Here are the conversion charts for Amp-Hours (Ah) to Watt-Hours (Wh) for 12V, 24V, 36V, and 48V systems:

Amp-Hours to Watt-Hours at 12V

Amp Hours (Ah)	Voltage (V)	Watt Hours (Wh)
1 Ah	12 V	12 Wh
5 Ah	12 V	60 Wh
10 Ah	12 V	120 Wh
20 Ah	12 V	240 Wh
50 Ah	12 V	600 Wh
100 Ah	12 V	1200 Wh
200 Ah	12 V	2400 Wh
500 Ah	12 V	6000 Wh

Amp-Hours to Watt-Hours at 24V

Amp Hours (Ah)	Voltage (V)	Watt Hours (Wh)
1 Ah	24 V	24 Wh
5 Ah	24 V	120 Wh
10 Ah	24 V	240 Wh
20 Ah	24 V	480 Wh
50 Ah	24 V	1200 Wh
100 Ah	24 V	2400 Wh
200 Ah	24 V	4800 Wh
500 Ah	24 V	12,000 Wh

Amp-Hours to Watt-Hours at 36V

Amp Hours (Ah)	Voltage (V)	Watt Hours (Wh)
1 Ah	36 V	36 Wh
5 Ah	36 V	180 Wh
10 Ah	36 V	360 Wh
20 Ah	36 V	720 Wh
50 Ah	36 V	1800 Wh
100 Ah	36 V	3600 Wh
200 Ah	36 V	7200 Wh
500 Ah	36 V	18,000 Wh

Amp-Hours to Watt-Hours at 48V

Amp Hours (Ah)	Voltage (V)	Watt Hours (Wh)
1 Ah	48 V	48 Wh
5 Ah	48 V	240 Wh
10 Ah	48 V	480 Wh
20 Ah	48 V	960 Wh
50 Ah	48 V	2400 Wh
100 Ah	48 V	4800 Wh
200 Ah	48 V	9600 Wh
500 Ah	48 V	24,000 Wh

These charts provide quick and easy Amp-Hours to Watt-Hours conversions for 12V, 24V, 36V, and 48V systems, helping you determine the energy capacity for batteries used in various applications.

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Conclusion

Converting Amp hours to Watt hours is a fundamental skill in energy management and battery technology. By applying the simple formula, users can accurately determine how much energy a battery can deliver, facilitating better design and usage of power systems across various applications. Understanding this relationship not only enhances the efficiency of existing systems but also aids in the development of new energy solutions.