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mAh to Ah Converter

1 mAh = 0.001 Ah. Type any value to convert mAh to Ah.

1 mAh = 0.001 Ah

Formula: Ah = mAh × 0.001

Common values
Decimals
In every unit 5 units
Coulomb (C) 3.6 C
Millicoulomb (mC) 3,600 mC
Milliampere-hour (mAh) 1 mAh
Ampere-hour (Ah) 0.001 Ah
Elementary charge (e) 2.246943267 × 10¹⁹ e

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

MAh to Ah table

Formula: Ah = mAh × 0.001

Milliampere-hour (mAh)Ampere-hour (Ah)
0.1 mAh0.0001 Ah
0.25 mAh0.00025 Ah
0.5 mAh0.0005 Ah
1 mAh0.001 Ah
2 mAh0.002 Ah
3 mAh0.003 Ah
4 mAh0.004 Ah
5 mAh0.005 Ah
6 mAh0.006 Ah
7 mAh0.007 Ah
8 mAh0.008 Ah
9 mAh0.009 Ah
10 mAh0.01 Ah
12 mAh0.012 Ah
15 mAh0.015 Ah
20 mAh0.02 Ah
25 mAh0.025 Ah
30 mAh0.03 Ah
40 mAh0.04 Ah
50 mAh0.05 Ah
60 mAh0.06 Ah
75 mAh0.075 Ah
100 mAh0.1 Ah
150 mAh0.15 Ah
200 mAh0.2 Ah
250 mAh0.25 Ah
500 mAh0.5 Ah
1,000 mAh1 Ah

How to use: mAh to Ah

  1. 1 Type the value in mAh.
  2. 2 The result in Ah appears at once – or type in the Ah field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of electric charge.

About this tool

Milliampere-hour (mAh) is a unit of electric charge (metric, accepted for use with the SI); 1 mAh = 3.6 C. Ampere-hour (Ah) is a unit of electric charge (metric, accepted for use with the SI); 1 Ah = 3,600 C.

To convert mAh to Ah, multiply the value by 0.001 (Ah = mAh × 0.001). Example: 2,000 mAh = 2 Ah.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert mAh to Ah?

To convert mAh to Ah, multiply the value by 0.001: Ah = mAh × 0.001. For example 2,000 mAh = 2 Ah.

What is 1 mAh in Ah?

1 mAh = 0.001 Ah. The other way round, 1 Ah = 1,000 mAh.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of electric charge here?

Yes – choose any of the 5 units of electric charge in the From and To lists, or switch to another measurement at the top.

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