Gradian to Minute of Angle (MOA) Converter
Angle · unit-converter
Convert Gradian to Minute of Angle (MOA) with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations bridge through radians with fixed definitions (360° per turn, 400 grad per turn, 60′ per degree, 60″ per minute, plus practical units like MOA, urad, and NATO 6400 mils per turn).
About Gradian
Gradians (gon) divide a right angle into 100 parts; 400 gradians make a full turn. Used in some surveying and European contexts.
About Minute of Angle (MOA)
Minute of angle (MOA) equals one arc minute (1/60 degree). It is widely used in firearms optics and precision aiming.
How to convert gradians to minutes of angle (moa)
1 gradian equals 54.00000000000001 minute of angle (moa) in this tool (via radian):
1 grad = (0.015707963267948967 rad ÷ 0.0002908882086657216 rad) moa = 54.00000000000001 moa
Each gradian carries 0.015707963267948967 rad and each minute of angle (moa) 0.0002908882086657216 rad, so one grad equals 0.015707963267948967 ÷ 0.0002908882086657216 moa.
Let θ(grad) be the angle in Gradian (grad), and θ(moa) in Minute of Angle (MOA) (moa). Then:
θ(moa) = θ(grad) × (0.015707963267948967 / 0.0002908882086657216)
Equivalently, divide by how many grad fit into one moa (rad per moa divided by rad per grad):
θ(moa) = θ(grad) ÷ 0.018518518518518517
Examples
Example #1: Convert 1 grad to minute of angle (moa)
1 grad = 1 grad × (0.015707963267948967/0.0002908882086657216) moa = 54 moa
1 grad = 1 grad ÷ 0.018518518518518517 = 54 moa
1 grad × (0.015707963267948967/0.0002908882086657216) = 54.000000 moa
Example #2: Convert 10 grad to minute of angle (moa)
10 grad = 10 grad × (0.015707963267948967/0.0002908882086657216) moa = 540 moa
10 grad = 10 grad ÷ 0.018518518518518517 = 540 moa
10 grad × (0.015707963267948967/0.0002908882086657216) = 540.000000 moa
Summary
To convert Gradian to Minute of Angle (MOA), multiply the value in grad by (0.015707963267948967 rad per grad) / (0.0002908882086657216 rad per moa). Equivalently: value_moa = value_grad × (0.015707963267948967 / 0.0002908882086657216). Numerically, 1 grad equals 54.00000000000001 moa.
Relationship context
Both Gradian and Minute of Angle (MOA) are converted by fixed multiples of the radian. Multiplying by (rad per grad) ÷ (rad per moa) matches passing through radians, keeping degrees, gradians, arc minutes, NATO mils, and revolutions consistent on the hub.
Conversion tables
| Gradian (grad) | Minute of Angle (MOA) (moa) |
|---|---|
| 0.1 | 5.4 |
| 1 | 54 |
| 2 | 108 |
| 3 | 162 |
| 4 | 216 |
| 5 | 270 |
| 6 | 324 |
| 7 | 378 |
| 8 | 432 |
| 9 | 486 |
| Gradian (grad) | Minute of Angle (MOA) (moa) |
|---|---|
| 10 | 540 |
| 20 | 1,080 |
| 30 | 1,620 |
| 40 | 2,160 |
| 50 | 2,700 |
| 60 | 3,240 |
| 70 | 3,780 |
| 80 | 4,320 |
| 90 | 4,860 |
| 100 | 5,400 |