Milliampere hours to Coulombs Converter
Quick answer: To convert milliampere hours to coulombs, multiply by 3.6. For example, 10 mAh is 36 C. One milliampere hour equals 3.6 C.
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Use the Milliampere hours to Coulombs Converter
Milliampere hours to Coulombs formula and what each symbol means
C = mAh × 3.6
| Symbol | Meaning |
|---|---|
| mAh | Milliampere hour |
| C | Coulomb |
Milliampere hours to Coulombs examples
1 mAh
1 mAh × 3.6 = 3.6 C.
10 mAh
10 mAh × 3.6 = 36 C.
100 mAh
100 mAh × 3.6 = 360 C.
Milliampere hours compared with Coulombs
One mAh is 3.6 times as large as one C, so your number gets bigger when you convert milliampere hours to coulombs and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About milliampere hours and coulombs
Milliampere hour (mAh): Milliampere hour, exactly 3.6 C. Coulomb (C): The coulomb, the SI unit of electric charge.
How to calculate Milliampere hours to Coulombs step by step
- Enter the value in mAh (the starting unit).
- Multiply by 3.6, because 1 mAh = 3.6 C.
- The product is the value in C. To go back, divide by 3.6 or multiply by 0.2777778.
Popular electric charge conversions
How to read your Milliampere hours to Coulombs result
The coulomb is the SI unit of electric charge, the charge moved by one ampere in one second.
| MILLIAMPERE HOURS | COULOMBS |
|---|---|
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 20 | 72 |
| 50 | 180 |
| 100 | 360 |
| 1,000 | 3,600 |
Coulombs to Milliampere hours: quick table
| COULOMBS | MILLIAMPERE HOURS |
|---|---|
| 1 | 0.2777778 |
| 5 | 1.388889 |
| 10 | 2.777778 |
| 25 | 6.944444 |
| 50 | 13.88889 |
| 100 | 27.77778 |
| 250 | 69.44444 |
| 500 | 138.8889 |
Common mistakes when calculating Milliampere hours to Coulombs
- Mixing mC and µC, which differ by 1,000.
- Dividing when you should multiply: from mAh to C multiply by 3.6; from C to mAh divide by 3.6.
Milliampere hours to Coulombs FAQ
How many C are in 1 mAh?
1 mAh equals 3.6 C.
How many mAh are in 1 C?
1 C equals 0.2777778 mAh.
Is 1 mAh = 3.6 C an exact conversion?
The factor is shown rounded to 7 significant figures (3.6). The calculator above uses more digits.
What is a coulomb (C)?
The coulomb, the SI unit of electric charge.
How can I estimate milliampere hours to coulombs in my head?
One mAh is 3.6 times as large as one C, so your number gets bigger when you convert milliampere hours to coulombs and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 7 mAh in coulombs?
7 mAh = 25.2 C (since 7 × 3.6).
What is 40 mAh in coulombs?
40 mAh = 144 C (since 40 × 3.6).
What is 200 mAh in coulombs?
200 mAh = 720 C (since 200 × 3.6).
How many decimals should I keep when converting mAh to C?
Match the precision of your original measurement. For example, 36 C rounds to 36 C at 3 significant figures; keep more digits only for engineering or scientific work.
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)