Milliradians to Octants (mrad → oct)
Formula
1 mrad = 0.0012732395447351628 octConversion Table
| mrad | oct |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0012732 |
| 2.0000 | 0.0025465 |
| 3.0000 | 0.0038197 |
| 4.0000 | 0.0050930 |
| 5.0000 | 0.0063662 |
| 6.0000 | 0.0076394 |
| 7.0000 | 0.0089127 |
| 8.0000 | 0.010186 |
| 9.0000 | 0.011459 |
| 10.000 | 0.012732 |
| 11.000 | 0.014006 |
| 12.000 | 0.015279 |
| 13.000 | 0.016552 |
| 14.000 | 0.017825 |
| 15.000 | 0.019099 |
| 16.000 | 0.020372 |
| 17.000 | 0.021645 |
| 18.000 | 0.022918 |
| 19.000 | 0.024192 |
| mrad | oct |
|---|---|
| 20.000 | 0.025465 |
| 21.000 | 0.026738 |
| 22.000 | 0.028011 |
| 23.000 | 0.029285 |
| 24.000 | 0.030558 |
| 25.000 | 0.031831 |
| 26.000 | 0.033104 |
| 27.000 | 0.034377 |
| 28.000 | 0.035651 |
| 29.000 | 0.036924 |
| 30.000 | 0.038197 |
| 31.000 | 0.039470 |
| 32.000 | 0.040744 |
| 33.000 | 0.042017 |
| 34.000 | 0.043290 |
| 35.000 | 0.044563 |
| 36.000 | 0.045837 |
| 37.000 | 0.047110 |
| 38.000 | 0.048383 |
| 39.000 | 0.049656 |
| mrad | oct |
|---|---|
| 40.000 | 0.050930 |
| 41.000 | 0.052203 |
| 42.000 | 0.053476 |
| 43.000 | 0.054749 |
| 44.000 | 0.056023 |
| 45.000 | 0.057296 |
| 46.000 | 0.058569 |
| 47.000 | 0.059842 |
| 48.000 | 0.061115 |
| 49.000 | 0.062389 |
| 50.000 | 0.063662 |
| 51.000 | 0.064935 |
| 52.000 | 0.066208 |
| 53.000 | 0.067482 |
| 54.000 | 0.068755 |
| 55.000 | 0.070028 |
| 56.000 | 0.071301 |
| 57.000 | 0.072575 |
| 58.000 | 0.073848 |
| 59.000 | 0.075121 |
| mrad | oct |
|---|---|
| 60.000 | 0.076394 |
| 61.000 | 0.077668 |
| 62.000 | 0.078941 |
| 63.000 | 0.080214 |
| 64.000 | 0.081487 |
| 65.000 | 0.082761 |
| 66.000 | 0.084034 |
| 67.000 | 0.085307 |
| 68.000 | 0.086580 |
| 69.000 | 0.087854 |
| 70.000 | 0.089127 |
| 71.000 | 0.090400 |
| 72.000 | 0.091673 |
| 73.000 | 0.092946 |
| 74.000 | 0.094220 |
| 75.000 | 0.095493 |
| 76.000 | 0.096766 |
| 77.000 | 0.098039 |
| 78.000 | 0.099313 |
| 79.000 | 0.10059 |
Milliradians to Octants Conversion
Converting Milliradians (mrad) to Octants (oct) is a common angle conversion. 1 mrad equals 0.001273 oct. For example, 100 mrad is equal to 0.127324 oct.
Quick Mental Math: Milliradians to Octants
10 milliradians is about 0.01273 octants, so use that as a quick check.
Why is converting Milliradians to Octants tricky?
milliradians to octants hides a pi-based factor, so treating the step as a clean base-10 shift gives the wrong size.
Quick Reference Values
1 mrad = 0.001273 oct. 5 mrad = 0.006366 oct. 10 mrad = 0.012732 oct. 25 mrad = 0.031831 oct. 50 mrad = 0.063662 oct. 100 mrad = 0.127324 oct.
What is Milliradians?
Milliradians (mrad) is a unit of angle. The milliradian (mrad) is an angular measurement unit equal to one-thousandth of a radian. Since 1 radian equals approximately 57.2958 degrees, 1 mrad equals 0.0573 degrees. It is primarily used in ballistics, optics, and surveying for angular precision [bipm-si-brochure]. The radian was formally defined in the early 20th century as a standard SI unit of angle. The milliradian emerged as a practical subdivision for fine angular measurements, adopted by military and scientific communities for targeting and measurement accuracy [nist-si-guide]. Milliradians are standard in NATO countries' military aiming devices, European surveying, and optical instrumentation globally. The unit is recognized by BIPM as a derived SI unit for plane angle [bipm-si-brochure].
What is Octants?
Octants (oct) is a unit of angle. An octant is a unit of angular measurement equal to 45 degrees or one-eighth of a full circle (360 degrees). It is used in historical and navigational contexts to describe angular divisions. One octant corresponds to π/4 radians according to angular standards [iso-80000]. The octant dates to early navigation instruments developed in the 18th century, notably the reflecting octant invented by John Hadley in 1731. It was adopted to improve celestial navigation accuracy before the sextant became widespread [iso-80000]. While largely replaced by degrees and radians, octants remain referenced in historical navigation and maritime heritage. Some naval training and museums preserve knowledge of octants as part of seafaring traditions [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: milli radian, millirad, miliradian, mradn, milirads, octent, octent angle, octons, octancts. All of these refer to the Milliradians to Octants conversion.