Surface Current Density Converter
Current density is electric current per unit of cross-sectional area. The SI unit is the ampere per square metre (A/m²). It shows how hard a conductor is being worked: too high a density causes a wire or trace to overheat.
1 Ampere/Square Meter = 0.0001 Ampere/Square Centimeter
How to convert Ampere/Square Meter to Ampere/Square Centimeter
One Ampere/Square Meter equals 0.0001 Ampere/Square Centimeter, so multiply any value in A/m² by 0.0001 to get A/cm². To convert back, divide by 0.0001 — or multiply by 10,000.
A/cm² = A/m² × 0.0001
Example: 25 A/m² × 0.0001 = 0.0025 A/cm².
Watch out: This is current per area. For current per unit length (A/m), use the Linear Current Density converter.
Ampere/Square Meter to Ampere/Square Centimeter table
| Ampere/Square Meter (A/m²) | Ampere/Square Centimeter (A/cm²) |
|---|---|
| 1 | 0.0001 |
| 2 | 0.0002 |
| 3 | 0.0003 |
| 4 | 0.0004 |
| 5 | 0.0005 |
| 10 | 0.001 |
| 15 | 0.0015 |
| 20 | 0.002 |
| 25 | 0.0025 |
| 50 | 0.005 |
| 75 | 0.0075 |
| 100 | 0.01 |
| 250 | 0.025 |
| 500 | 0.05 |
| 1,000 | 0.1 |
Ampere/Square Centimeter to Ampere/Square Meter table
| Ampere/Square Centimeter (A/cm²) | Ampere/Square Meter (A/m²) |
|---|---|
| 1 | 10,000 |
| 2 | 20,000 |
| 3 | 30,000 |
| 4 | 40,000 |
| 5 | 50,000 |
| 10 | 100,000 |
| 15 | 150,000 |
| 20 | 200,000 |
| 25 | 250,000 |
| 50 | 500,000 |
| 75 | 750,000 |
| 100 | 1,000,000 |
| 250 | 2,500,000 |
| 500 | 5,000,000 |
| 1,000 | 10,000,000 |
Surface Current Density units at a glance
All 7 units this converter supports, each expressed in Ampere/Square Meter (A/m²) and the other way round.
| Unit | Symbol | 1 unit in A/m² | 1 A/m² in unit |
|---|---|---|---|
| Ampere/Square Meter | A/m² | 1 | 1 |
| Ampere/Square Centimeter | A/cm² | 10,000 | 0.0001 |
| Ampere/Square Millimeter | A/mm² | 1,000,000 | 0.000001 |
| Ampere/Square Inch | A/in² | 1,550.0031 | 0.00064516 |
| Ampere/Square Foot | A/ft² | 10.76391042 | 0.09290304 |
| Milliampere/Square Centimeter | mA/cm² | 10 | 0.1 |
| Kiloampere/Square Meter | kA/m² | 1,000 | 0.001 |
Where surface current density conversions are used
Sizing wires and circuit-board traces, electroplating and electrochemistry (often quoted in mA/cm²), and semiconductor design.
Frequently asked questions
What is 1 Ampere/Square Meter in Ampere/Square Centimeter?
1 Ampere/Square Meter (A/m²) is 0.0001 Ampere/Square Centimeter (A/cm²).
What is 1 Ampere/Square Centimeter in Ampere/Square Meter?
1 Ampere/Square Centimeter (A/cm²) is 10,000 Ampere/Square Meter (A/m²).
How do I convert Ampere/Square Meter to Ampere/Square Centimeter?
Multiply the value in Ampere/Square Meter by 0.0001. For example, 5 A/m² × 0.0001 = 0.0005 A/cm². To go the other way, divide by 0.0001.
How many units does the surface current density converter support?
It converts between 7 units: Ampere/Square Meter, Ampere/Square Centimeter, Ampere/Square Millimeter, Ampere/Square Inch, Ampere/Square Foot, Milliampere/Square Centimeter, Kiloampere/Square Meter.
What should I watch out for when converting surface current density?
This is current per area. For current per unit length (A/m), use the Linear Current Density converter.
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Figures on this page are calculated with the same conversion factors as the converter above and shown to up to 10 significant figures. See our disclaimer before relying on a result in a professional or safety-critical context.