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Home › Unit Converters › Ah to mAh Converter

Ah to mAh Converter

Convert amp-hours to milliamp-hours in one step. Results update live in both directions, with a worked formula, nearby units and a 1–100 chart you can click.

Last updated:

Ah
mAh
 

Step-by-step calculation

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    How to use the Ah to mAh Converter

    1. Type a value in the Amp-Hours box. The milliamp-Hours result appears instantly.
    2. Going the other way? Type in the Milliamp-Hours box, or press the ⇄ swap button.
    3. Set the precision with the decimal places menu.
    4. Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

    Amp-Hours to milliamp-Hours formula

    mAh = Ah × 1000
    1. Take the value in amp-hours.
    2. Multiply it by 1000 (the number of milliamp-hours in one amp-hour).

    Example: 100 Ah × 1000 = 100,000 mAh.

    Reverse formula (milliamp-hours to amp-hours): Ah = mAh ÷ 1000. Example: 50,000 mAh ÷ 1000 = 50 Ah.

    The factor is a whole number (1000), so this one is easy to do in your head.

    Ah to mAh conversion table (1–100)

    Click any row to load it into the converter.

    Amp-Hours to milliamp-Hours

    Amp-HoursMilliamp-Hours
    1 Ah1,000 mAh
    2 Ah2,000 mAh
    3 Ah3,000 mAh
    4 Ah4,000 mAh
    5 Ah5,000 mAh
    6 Ah6,000 mAh
    7 Ah7,000 mAh
    8 Ah8,000 mAh
    9 Ah9,000 mAh
    10 Ah10,000 mAh
    11 Ah11,000 mAh
    12 Ah12,000 mAh
    13 Ah13,000 mAh
    14 Ah14,000 mAh
    15 Ah15,000 mAh
    16 Ah16,000 mAh
    17 Ah17,000 mAh
    18 Ah18,000 mAh
    19 Ah19,000 mAh
    20 Ah20,000 mAh
    21 Ah21,000 mAh
    22 Ah22,000 mAh
    23 Ah23,000 mAh
    24 Ah24,000 mAh
    25 Ah25,000 mAh
    26 Ah26,000 mAh
    27 Ah27,000 mAh
    28 Ah28,000 mAh
    29 Ah29,000 mAh
    30 Ah30,000 mAh
    31 Ah31,000 mAh
    32 Ah32,000 mAh
    33 Ah33,000 mAh
    34 Ah34,000 mAh
    35 Ah35,000 mAh
    36 Ah36,000 mAh
    37 Ah37,000 mAh
    38 Ah38,000 mAh
    39 Ah39,000 mAh
    40 Ah40,000 mAh
    41 Ah41,000 mAh
    42 Ah42,000 mAh
    43 Ah43,000 mAh
    44 Ah44,000 mAh
    45 Ah45,000 mAh
    46 Ah46,000 mAh
    47 Ah47,000 mAh
    48 Ah48,000 mAh
    49 Ah49,000 mAh
    50 Ah50,000 mAh
    51 Ah51,000 mAh
    52 Ah52,000 mAh
    53 Ah53,000 mAh
    54 Ah54,000 mAh
    55 Ah55,000 mAh
    56 Ah56,000 mAh
    57 Ah57,000 mAh
    58 Ah58,000 mAh
    59 Ah59,000 mAh
    60 Ah60,000 mAh
    61 Ah61,000 mAh
    62 Ah62,000 mAh
    63 Ah63,000 mAh
    64 Ah64,000 mAh
    65 Ah65,000 mAh
    66 Ah66,000 mAh
    67 Ah67,000 mAh
    68 Ah68,000 mAh
    69 Ah69,000 mAh
    70 Ah70,000 mAh
    71 Ah71,000 mAh
    72 Ah72,000 mAh
    73 Ah73,000 mAh
    74 Ah74,000 mAh
    75 Ah75,000 mAh
    76 Ah76,000 mAh
    77 Ah77,000 mAh
    78 Ah78,000 mAh
    79 Ah79,000 mAh
    80 Ah80,000 mAh
    81 Ah81,000 mAh
    82 Ah82,000 mAh
    83 Ah83,000 mAh
    84 Ah84,000 mAh
    85 Ah85,000 mAh
    86 Ah86,000 mAh
    87 Ah87,000 mAh
    88 Ah88,000 mAh
    89 Ah89,000 mAh
    90 Ah90,000 mAh
    91 Ah91,000 mAh
    92 Ah92,000 mAh
    93 Ah93,000 mAh
    94 Ah94,000 mAh
    95 Ah95,000 mAh
    96 Ah96,000 mAh
    97 Ah97,000 mAh
    98 Ah98,000 mAh
    99 Ah99,000 mAh
    100 Ah100,000 mAh

    Milliamp-Hours to amp-Hours

    Milliamp-HoursAmp-Hours
    1 mAh0 Ah
    2 mAh0 Ah
    3 mAh0 Ah
    4 mAh0 Ah
    5 mAh0.01 Ah
    6 mAh0.01 Ah
    7 mAh0.01 Ah
    8 mAh0.01 Ah
    9 mAh0.01 Ah
    10 mAh0.01 Ah
    11 mAh0.01 Ah
    12 mAh0.01 Ah
    13 mAh0.01 Ah
    14 mAh0.01 Ah
    15 mAh0.01 Ah
    16 mAh0.02 Ah
    17 mAh0.02 Ah
    18 mAh0.02 Ah
    19 mAh0.02 Ah
    20 mAh0.02 Ah
    21 mAh0.02 Ah
    22 mAh0.02 Ah
    23 mAh0.02 Ah
    24 mAh0.02 Ah
    25 mAh0.03 Ah
    26 mAh0.03 Ah
    27 mAh0.03 Ah
    28 mAh0.03 Ah
    29 mAh0.03 Ah
    30 mAh0.03 Ah
    31 mAh0.03 Ah
    32 mAh0.03 Ah
    33 mAh0.03 Ah
    34 mAh0.03 Ah
    35 mAh0.04 Ah
    36 mAh0.04 Ah
    37 mAh0.04 Ah
    38 mAh0.04 Ah
    39 mAh0.04 Ah
    40 mAh0.04 Ah
    41 mAh0.04 Ah
    42 mAh0.04 Ah
    43 mAh0.04 Ah
    44 mAh0.04 Ah
    45 mAh0.04 Ah
    46 mAh0.05 Ah
    47 mAh0.05 Ah
    48 mAh0.05 Ah
    49 mAh0.05 Ah
    50 mAh0.05 Ah
    51 mAh0.05 Ah
    52 mAh0.05 Ah
    53 mAh0.05 Ah
    54 mAh0.05 Ah
    55 mAh0.06 Ah
    56 mAh0.06 Ah
    57 mAh0.06 Ah
    58 mAh0.06 Ah
    59 mAh0.06 Ah
    60 mAh0.06 Ah
    61 mAh0.06 Ah
    62 mAh0.06 Ah
    63 mAh0.06 Ah
    64 mAh0.06 Ah
    65 mAh0.07 Ah
    66 mAh0.07 Ah
    67 mAh0.07 Ah
    68 mAh0.07 Ah
    69 mAh0.07 Ah
    70 mAh0.07 Ah
    71 mAh0.07 Ah
    72 mAh0.07 Ah
    73 mAh0.07 Ah
    74 mAh0.07 Ah
    75 mAh0.07 Ah
    76 mAh0.08 Ah
    77 mAh0.08 Ah
    78 mAh0.08 Ah
    79 mAh0.08 Ah
    80 mAh0.08 Ah
    81 mAh0.08 Ah
    82 mAh0.08 Ah
    83 mAh0.08 Ah
    84 mAh0.08 Ah
    85 mAh0.09 Ah
    86 mAh0.09 Ah
    87 mAh0.09 Ah
    88 mAh0.09 Ah
    89 mAh0.09 Ah
    90 mAh0.09 Ah
    91 mAh0.09 Ah
    92 mAh0.09 Ah
    93 mAh0.09 Ah
    94 mAh0.09 Ah
    95 mAh0.1 Ah
    96 mAh0.1 Ah
    97 mAh0.1 Ah
    98 mAh0.1 Ah
    99 mAh0.1 Ah
    100 mAh0.1 Ah

    Common values

    Amp-HoursMilliamp-HoursExample
    1 Ah1,000 mAh1 Ah
    2.5 Ah2,500 mAh18650 cell (approx.)
    5 Ah5,000 mAh5 Ah tool battery
    12 Ah12,000 mAhMotorcycle battery
    50 Ah50,000 mAh50 Ah
    60 Ah60,000 mAhCar battery (approx.)
    100 Ah100,000 mAh100 Ah leisure battery
    200 Ah200,000 mAh200 Ah

    About amp-Hours and milliamp-Hours

    Amp-Hours (Ah). An amp-hour (Ah) is the charge delivered by a current of one ampere for one hour, 3,600 coulombs. Car, solar and leisure batteries are rated in Ah; 1 Ah = 1,000 mAh.

    Milliamp-Hours (mAh). A milliamp-hour (mAh) is one thousandth of an amp-hour. Phone batteries and power banks are rated in mAh, for example 5,000 mAh = 5 Ah.

    Frequently asked questions

    What is 1 amp-hour in milliamp-hours?

    One amp-hour equals 1,000 milliamp-hours.

    How do you convert amp-hours to milliamp-hours?

    Multiply the number of amp-hours by 1000. For example, 100 Ah × 1000 = 100,000 mAh.

    What is 50 amp-hours in milliamp-hours?

    50 Ah is 50,000 mAh.

    How do I convert milliamp-hours back to amp-hours?

    Divide by 1000, or press the ⇄ swap button above. For example, 50,000 mAh ÷ 1000 = 50 Ah.

    How do I turn mAh or Ah into Wh?

    Multiply amp-hours by the battery voltage: a 3.7 V, 5,000 mAh (5 Ah) phone battery holds 18.5 Wh. Use our mAh to Wh converter for that.

    Does this converter work offline?

    Once the page has loaded, the conversion runs entirely in your browser, so it keeps working without a connection. It is free and needs no sign-up.

    Are all the tools on FreeToolCabin tested for quality and accuracy?

    Yes! Every tool on our site undergoes automated Q/A testing in real browser environments to ensure high precision, correct output, and zero errors. If you happen to spot a bug or have a suggestion, please contact us at [email protected] and our team will review it right away.

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