Conversions
Electric charge converter
Convert coulombs, amp-hours, milliamp-hours and elementary charges.
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Coulombs to MillicoulombsCoulombs to MicrocoulombsCoulombs to NanocoulombsCoulombs to Ampere hoursCoulombs to Milliampere hoursCoulombs to Elementary charges
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A clear answer. Here’s how.
Uses coulombs. One ampere hour is 3,600 C and one milliampere hour is 3.6 C. The positive elementary-charge magnitude e is exactly 1.602176634 × 10⁻¹⁹ C. Signed charge is retained; mAh alone does not specify battery energy. Values are rounded to 12 significant figures for display.
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Worked example
A fixed demonstration, separate from the values you enter above.
- Amount to convert
- 1000
- From
- Milliampere hours (mA·h)
- To
- Coulombs (C)
Example result
- Converted amount (C)
- 3,600
1,000 mA·h = 3,600 C