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The gradian, also known as gon (from Greek γωνία/gōnía for angle), grad, or grade, is a unit of measurement of an angle, equivalent to 1/400 of a turn, 9/10 of a degree, or π ..more definition+
In relation to the base unit of [angle] => (radians), 1 Gradians (grad) is equal to 0.015707963 radians, while 1 Nanoradians (nrad) = 1.0E-9 radians.| 21 Gradians | to common angle units |
|---|---|
| 21 grad | = 0.329867223 radians (rad) |
| 21 grad | = 329.867223 milliradians (mrad/mil) |
| 21 grad | = 335.99989304791 angular mils (µ mil) |
| 21 grad | = 18.899998940548 degrees (°deg) |
| 21 grad | = 21 gradians (grad) |
| 21 grad | = 1134.0007941201 arcminutes (arcmin) |
| 21 grad | = 68039.996188227 arcseconds (arcsec) |
| 21 grad | = 0.3149998596254 sextants (60°) |
| 21 grad | = 0.62999851604278 signs (30°) |
| 21 grad | = 0.052499959892984 turns (t) |