Formula
Ah to mAh conversion formula
Use this relationship for a direct conversion:
mAh = Ah x 1,000
Worked example
2 Ah = 2,000 mAh.
Ampere-hour relationships and the elementary charge value are exact.
Electric Charge conversion
Convert Ampere-hour to Milliampere-hour
1 ampere-hour (Ah) equals 1,000 milliampere-hour (mAh). Enter any value below to convert from Ah to mAh.
Enter a value and choose units. Results update instantly.
1 Ah = 1,000 mAh
All Charge units
From 1 Ah| Unit | Value |
|---|---|
| Nanocoulomb nC | 3.6e12 |
| Microcoulomb μC | 3,600,000,000 |
| Millicoulomb mC | 3,600,000 |
| Coulomb C | 3,600 |
| Milliampere-hour mAh | 1,000 |
| Ampere-hour Ah | 1 |
| Elementary charge e | 2.2469432668e22 |
Recent conversions
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Quick reference
Ampere-hour to Milliampere-hour table
| Ampere-hour (Ah) | Milliampere-hour (mAh) |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
From unit
About the ampere-hour
Charge from one ampere sustained for one hour.
Symbol: Ah
To unit
About the milliampere-hour
Charge from one milliampere sustained for one hour.
Symbol: mAh
Keep converting
Related conversions
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 converterQuestions
Ah to mAh FAQ
How do you convert ampere-hour to milliampere-hour?
Use the formula mAh = Ah x 1,000. 1 ampere-hour (Ah) equals 1,000 milliampere-hour (mAh).
Is the Ah to mAh conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.