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Milliampere-hours to Ampere-hours

Type a value in Milliampere-hours and get the result in Ampere-hours, calculated exactly.

3,000 Milliampere-hours = 3 Ampere-hours

Precision

Exact factorThis result is exact.

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Formula

Ah = mAh × 0.001

To convert Milliampere-hours to Ampere-hours, multiply the value by 0.001.

Worked examples

  1. 1 mAh × 0.001 = 0.001 Ah
  2. 3,000 mAh × 0.001 = 3 Ah
  3. 100 mAh × 0.001 = 0.1 Ah

This factor is exact by definition.

Conversion table

Milliampere-hours to Ampere-hours
Milliampere-hours (mAh)Ampere-hours (Ah)
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01
150.015
200.02
250.025
300.03
400.04
500.05
600.06
700.07
750.075
800.08
900.09
1000.1

Values marked ≈ are rounded; the rest are exact.

Reverse table: Ampere-hours to Milliampere-hours
Ampere-hours to Milliampere-hours
Ampere-hours (Ah)Milliampere-hours (mAh)
11,000
22,000
33,000
44,000
55,000
66,000
77,000
88,000
99,000
1010,000
1515,000
2020,000
2525,000
3030,000
4040,000
5050,000
6060,000
7070,000
7575,000
8080,000
9090,000
100100,000

Convert Ampere-hours to Milliampere-hours

Unit definitions

Milliampere-hours mAh
One milliampere for one hour: exactly 3.6 coulombs.
Ampere-hours Ah
One ampere for one hour: exactly 3600 coulombs.

Questions people ask

Milliampere-hours to Ampere-hours: what is the conversion factor?

One mAh is 0.001 Ah.

How do I convert Milliampere-hours to Ampere-hours?

Use the formula above. For example, 3,000 mAh = 3 Ah.

Is the conversion exact?

Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.

Factors checked 19 October 2026.