Coulombs to mAh Converter
1 mAh = 3.6 coulombs. A 3,000 mAh phone battery holds 10,800 C of charge.
Formula:1 C = 0.2778 mAh
⇄ Switch to Mah To CoulombsCoulomb to Milliampere-hour — common values
1 C0.277778 mA·h
100 C27.777778 mA·h
1,000 C277.77778 mA·h
3,000 C833.33333 mA·h
5,000 C1,388.8889 mA·h
10,000 C2,777.7778 mA·h
50,000 C13,888.8889 mA·h
How to convert Coulombs To Mah
To convert coulombs to mah, use the formula: 1 C = 0.2778 mAh. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Mah To Coulombs” link to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.
Frequently Asked Questions
What is the formula to convert Coulombs To Mah?
1 C = 0.2778 mAh. 1 mAh = 3.6 coulombs. A 3,000 mAh phone battery holds 10,800 C of charge.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Mah To Coulombs?
Use the Mah To Coulombs converter or click the ⇄ switch button above.
More Electric Charge conversions
Need more electric charge conversions?
The full converter supports all unit combinations