Electric Charge conversion

Convert Milliampere-hour to Ampere-hour

1 milliampere-hour (mAh) equals 0.001 ampere-hour (Ah). Enter any value below to convert from mAh to Ah.

Enter a value and choose units. Results update instantly.

1 mAh = 0.001 Ah

All Charge units

From 1 mAh
UnitValue
Nanocoulomb nC 3,600,000,000
Microcoulomb μC 3,600,000.0000000005
Millicoulomb mC 3,600
Coulomb C 3.6
Milliampere-hour mAh 1
Ampere-hour Ah 0.001
Elementary charge e 2.2469432668e19
Recent conversions
  1. Your recent conversions stay on this device.

Formula

mAh to Ah conversion formula

Use this relationship for a direct conversion:

Ah = mAh x 0.001

Worked example

2 mAh = 0.002 Ah.

Ampere-hour relationships and the elementary charge value are exact.

Quick reference

Milliampere-hour to Ampere-hour table

Milliampere-hour (mAh)Ampere-hour (Ah)
0.010.00001
0.10.0001
10.001
20.002
50.005
100.01
250.025
500.05
1000.1
1,0001

From unit

About the milliampere-hour

Charge from one milliampere sustained for one hour.

Symbol: mAh

To unit

About the ampere-hour

Charge from one ampere sustained for one hour.

Symbol: Ah

Keep converting

Related conversions

Ampere-hour to Milliampere-hourReverse this conversion Milliampere-hour to NanocoulombmAh to nCMilliampere-hour to MicrocoulombmAh to μCMilliampere-hour to MillicoulombmAh to mCMilliampere-hour to CoulombmAh to CMilliampere-hour to Elementary chargemAh to e

Source

Conversion standard

Definitions are checked against BIPM SI Brochure: coulomb and elementary charge. Calculations use full internal precision before display rounding.

View the complete electric charge converter

Questions

mAh to Ah FAQ

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

Use the formula Ah = mAh x 0.001. 1 milliampere-hour (mAh) equals 0.001 ampere-hour (Ah).

Is the mAh to Ah conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.