21 Minutes to Degrees

21' = 0.35°

Calculation: ° = 21' × 0.0166667 = 0.35°

Minute to Degree Converter

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Sig. Figures:

How wide is 21'?

21 minute (0.35 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

What does 21' look like?

Illustration of a telescope crosshair reticle
21 minute (0.35 degrees) is comparable to the precision of a telescope crosshair, an almost imperceptible angle.

How to Convert Minute to Degree

1 minute = 0.0166667 degrees

Degree = Minute × 0.0166667

Example: 21' × 0.0166667 = 0.35°

Reverse Conversion

To convert degrees back to minutes:

  • Remember, 1 degree equals 60 minutes.
  • To convert 0.35° to', multiply 0.35 x 60, resulting in 21'.

21 ' is also equal to:

  • 0.0061087 radian
  • 0.38889 gradian
  • 0.00097222 turn
About these units

Minute: An arcminute (minute of arc) is 1/60 of a degree.It is used in astronomy, optics, navigation, geodesy, and surveying for small angular measurements.

Degree: The degree (°) is a non-SI unit of plane angle defined as 1/360 of a full rotation.It is accepted for use with the SI due to its long-standing practical importance in navigation, surveying, engineeri...

Frequently Asked Questions

How much is 21 minutes in degrees?

21 minutes equals 0.35 degrees. This is calculated by multiplying 21 by the conversion factor 0.0166667.

What does 21 minutes look like in degrees?

21 minutes (0.35 degrees) is a small angular division; 60 arc minutes make one degree.

How do you calculate 21 minutes to degrees?

Multiply 21 by the conversion factor 0.0166667. The calculation is 21 × 0.0166667 = 0.35 degrees. This factor is defined by international measurement standards.

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21 minutes = 0.35 degrees
21 minutes = 0.35 degrees — conversion chart

Nearby Conversions

11 minutes0.1833 degrees 12 minutes0.2 degrees 13 minutes0.2167 degrees 14 minutes0.2333 degrees 15 minutes0.25 degrees 16 minutes0.2667 degrees 17 minutes0.2833 degrees 18 minutes0.3 degrees 19 minutes0.3167 degrees 20 minutes0.3333 degrees 22 minutes0.3667 degrees 23 minutes0.3833 degrees 24 minutes0.4 degrees 25 minutes0.4167 degrees 26 minutes0.4333 degrees 27 minutes0.45 degrees 28 minutes0.4667 degrees 29 minutes0.4833 degrees 30 minutes0.5 degrees 31 minutes0.5167 degrees

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

Also convert Minutes to:

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