4 Arc Minutes to Radians

4' ≈ 0.0011636 rad

Calculation: rad = 4' × 0.000290888 ≈ 0.0011636 rad

Arc Minute to Radian Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How wide is 4'?

4 arc minute (0.067 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

What does 4' look like?

Illustration of a telescope crosshair reticle
4 arc minute (0.067 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

How to Convert Arc Minute to Radian

1 arc minute = 0.000290888 radians

Radian = Arc Minute × 0.000290888

Example: 4' × 0.000290888 = 0.0011636 rad

Reverse Conversion

To convert radians back to arc minutes:

  • Remember, 1 radian equals 3437.75 arc minutes.
  • To convert 0.0011636 rad to', multiply 0.0011636 x 3437.75, resulting in 4'.

4 ' is also equal to:

  • 0.066667 degree
  • 0.074074 gradian
  • 0.00018519 turn

Frequently Asked Questions

How much is 4 arc minutes in radians?

4 arc minutes equals 0.0011636 radians. This is calculated by multiplying 4 by the conversion factor 0.000290888.

What does 4 arc minutes look like in radians?

4 arc minutes equals 0.0011636 radians, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 4 arc minutes to radians?

Multiply 4 by the conversion factor 0.000290888. The calculation is 4 × 0.000290888 = 0.0011636 radians. This factor is defined by international measurement standards.

Share This Calculation

4 arc minutes = 0.00116355 radians
4 arc minutes = 0.00116355 radians — conversion chart

For general conversions between arc minutes and radians, see the arc minutes to radians converter.

Conversion factors verified against BIPM, ISO 80000-3 1 turn = 2π rad = 360° (exact, ISO 80000-3). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.