Ampere per inch (A/in)
One ampere per inch: 1 ÷ 0.0254 A/m.
What is an ampere per inch?
- Symbol
- A/in
- Quantity
- Linear Current Density
- Unit system
- US customary
- Definition
- One ampere per inch: 1 ÷ 0.0254 A/m.
- Exact
- Yes, the value is exact by definition
- Source
- International yard and pound agreement (1959)
Common applications
Used in some US engineering work for current per width and for magnetizing force.
Ampere per inch in other linear current density units
- 1 A/in ≈ 0.3937007874 A/cmAmpere per centimeter
- 1 A/in ≈ 0.03937007874 A/mmAmpere per millimeter
- 1 A/in = 12 A/ftAmpere per foot
- 1 A/in ≈ 0.03937007874 abA/cmAbampere per centimeter
- 1 A/in ≈ 39.37007874 A/mAmpere per meter
- 1 A/in ≈ 0.03937007874 kA/mKiloampere per meter
Ampere per inch quick reference
| Ampere per inch | Ampere per centimeter | Ampere per meter | Ampere per millimeter |
|---|---|---|---|
| 1 A/in | ≈ 0.3937007874 A/cm | ≈ 39.37007874 A/m | ≈ 0.03937007874 A/mm |
| 10 A/in | ≈ 3.937007874 A/cm | ≈ 393.7007874 A/m | ≈ 0.3937007874 A/mm |
| 100 A/in | ≈ 39.37007874 A/cm | ≈ 3937.007874 A/m | ≈ 3.937007874 A/mm |
| 1000 A/in | ≈ 393.7007874 A/cm | ≈ 39370.07874 A/m | ≈ 39.37007874 A/mm |
Where the ampere per inch fits
The next smaller linear current density unit is the ampere per foot (A/ft). 1 A/in = 12 A/ft, and 1 A/ft ≈ 0.08333333333 A/in.
The next larger linear current density unit is the ampere per centimeter (A/cm). 1 A/in ≈ 0.3937007874 A/cm, and 1 A/cm = 2.54 A/in.
Frequently asked questions
- How many amperes per centimeter are in one ampere per inch?
- One ampere per inch ≈ 0.3937007874 A/cm (amperes per centimeter).
- How many amperes per meter are in one ampere per inch?
- One ampere per inch ≈ 39.37007874 A/m (amperes per meter).
- How many amperes per millimeter are in one ampere per inch?
- One ampere per inch ≈ 0.03937007874 A/mm (amperes per millimeter).