Convert milliampere-hours to ampere-hours

1 mAh = 0.001 Ah — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.001Ah
✓ Exact 1 mAh = 0.001 Ah
As a fraction: 1/1000
More converter tools

Readable results

Ranges, ± tolerances, feet/inches and clock durations work in the value field.

Unit picker

Export this result

1 mAh = 0.001 Ah
Show this value in all 13 electric charge units
  • Kilocoulombs kC 0.0036
  • Coulombs C 3.6
  • Millicoulombs mC 3600
  • Microcoulombs µC 3 600 000
  • Nanocoulombs nC 3 600 000 000
  • Picocoulombs pC 3 600 000 000 000
  • Ampere-hours Ah 0.001
  • Milliampere-hours mAh 1
  • Ampere-minutes A·min 0.06
  • Faradays F 0.000 037 311 370 762 5
  • Elementary charges e 2.24694326681e+19
  • Abcoulombs abC 0.36
  • Statcoulombs statC 107 925 284.88

Every row is Milliampere-hour (mAh) converted through the coulomb, in exact rational arithmetic.

How to convert milliampere-hours to ampere-hours

Multiply the number of milliampere-hours by 0.001 to get ampere-hours.

The exact factor is 0.001 — as a fraction, 1/1000.

Milliampere-hour: The number on every phone battery.

Ampere-hour: Battery capacity. Multiply by the pack voltage to get watt-hours.

Milliampere-hour to Ampere-hour conversion table

Milliampere-hours (mAh) Ampere-hours (Ah)
1 mAh 0.001
2 mAh 0.002
3 mAh 0.003
5 mAh 0.005
10 mAh 0.01
20 mAh 0.02
25 mAh 0.025
50 mAh 0.05
100 mAh 0.1
250 mAh 0.25
500 mAh 0.5
1000 mAh 1

Ampere-hour to Milliampere-hour conversion table

Ampere-hours (Ah) Milliampere-hours (mAh)
1 Ah 1000
2 Ah 2000
3 Ah 3000
5 Ah 5000
10 Ah 10 000
20 Ah 20 000
25 Ah 25 000
50 Ah 50 000
100 Ah 100 000
250 Ah 250 000
500 Ah 500 000
1000 Ah 1 000 000

Frequently asked

How many ampere-hours are in a milliampere-hour?

One milliampere-hour equals 0.001 ampere-hours (mAh → Ah). That figure is exact, not rounded.

How do you convert milliampere-hours to ampere-hours?

Multiply the number of milliampere-hours by 0.001 to get ampere-hours.

What is 1 Ah in milliampere-hours?

One ampere-hour is 1000 milliampere-hours.

What is 10 mAh in Ah?

10 mAh = 0.01 Ah.

What exactly is a milliampere-hour?

The number on every phone battery.

What exactly is a ampere-hour?

Battery capacity. Multiply by the pack voltage to get watt-hours.

Related conversions

Settings

Theme

System follows your operating system and changes with it.

Text size
High contrast

Maximises text and border contrast and removes the grid background.

Graph-paper background

Round to
Notation
Thousands separators
Decimal mark
Nearest fraction

Shows the result as the nearest tape-measure fraction, with the error it costs.


Accessibility & interaction
Reduce motion Stops interface animations even when the operating system does not.
Underline links Keeps links visually distinct without relying on colour.
Larger touch targets Makes buttons and form controls easier to tap.
Shorter reading lines Limits article width for easier scanning.
Monochrome display Removes colour as an information cue.
Always-visible focus Makes the keyboard focus ring persistent and stronger.
Verbose screen-reader results Announces the complete conversion equation.
Sticky action bars Keeps converter and calculator actions within reach.
Select values on focus Replaces a value immediately when you start typing.
Left-handed mobile layout Moves key mobile actions toward the left thumb.

Your data

Settings, recent conversions and favourites live in this browser only. Nothing is sent anywhere.

Offline library