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Ampere per foot (A/ft)

One ampere per foot: 1 ÷ 0.3048 A/m.

What is an ampere per foot?

Symbol
A/ft
Quantity
Linear Current Density
Unit system
US customary
Definition
One ampere per foot: 1 ÷ 0.3048 A/m.
Exact
Yes, the value is exact by definition
Source
International yard and pound agreement (1959)

Common applications

Rarely used; it appears mainly when widths are given in US customary units.

Ampere per foot in other linear current density units

Ampere per foot quick reference

Ampere per foot in other units
Ampere per footAmpere per centimeterAmpere per meterAmpere per millimeter
1 A/ft≈ 0.03280839895 A/cm≈ 3.280839895 A/m≈ 0.003280839895 A/mm
10 A/ft≈ 0.3280839895 A/cm≈ 32.80839895 A/m≈ 0.03280839895 A/mm
100 A/ft≈ 3.280839895 A/cm≈ 328.0839895 A/m≈ 0.3280839895 A/mm
1000 A/ft≈ 32.80839895 A/cm≈ 3280.839895 A/m≈ 3.280839895 A/mm

Where the ampere per foot fits

The next smaller linear current density unit is the ampere per meter (A/m). 1 A/ft ≈ 3.280839895 A/m, and 1 A/m = 0.3048 A/ft.

The next larger linear current density unit is the ampere per inch (A/in). 1 A/ft ≈ 0.08333333333 A/in, and 1 A/in = 12 A/ft.

Frequently asked questions

How many amperes per centimeter are in one ampere per foot?
One ampere per foot ≈ 0.03280839895 A/cm (amperes per centimeter).
How many amperes per meter are in one ampere per foot?
One ampere per foot ≈ 3.280839895 A/m (amperes per meter).
How many amperes per millimeter are in one ampere per foot?
One ampere per foot ≈ 0.003280839895 A/mm (amperes per millimeter).