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Ampere to Milliampere
Convert Ampere to Milliampere and get the exact value instantly.
About this conversion
To convert Ampere to Milliampere, multiply the number of Ampere by 1000.
Electric current is measured in amperes, but real circuits span milliamps for electronics and kiloamps for power systems, so shifting the prefix is a constant task.
Conversion table
| Ampere (A) | Milliampere (mA) |
|---|---|
| 1 A | 1000 mA |
| 2 A | 2000 mA |
| 5 A | 5000 mA |
| 10 A | 10000 mA |
| 100 A | 100000 mA |
How to use this converter
- Enter your Ampere value
Type any number into the Ampere field. It starts at 1 so you can read the rate straight away.
- Read the Milliampere result
The amount in Milliampere updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Milliampere are in one Ampere?
- One Ampere equals 1000 mA. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Ampere to Milliampere conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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