Angle / ′ → turn
Convert Arcminutes to Turns
Convert plane angles in radians, degrees, turns, and survey grads. Convert Arcminutes (′) to Turns (turn). Find the formula, worked examples, unit definitions, and practical guidance below.
Reverse: Turns to Arcminutes →
How to convert arcminutes to turns
A full turn is 2π radians, 360 degrees, or 400 gradians. Decimal degrees are not degrees-minutes-seconds notation. Angular minutes and seconds are not time units.
Use x for the value in ′, b for the intermediate value in rad, and y for the result in turn.
turn = ′ × 0.0002908882086657216 ÷ 6.283185307179586
Worked examples
10 ′ ≈ 0.000462962962963 turn
Step 1: (10 × 0.000290888208666) ≈ 0.00290888208666 rad.
Step 2: 0.00290888208666 ÷ 6.28318530718 ≈ 0.000462962962963 turn.20 ′ ≈ 0.000925925925926 turn
Step 1: (20 × 0.000290888208666) ≈ 0.00581776417331 rad.
Step 2: 0.00581776417331 ÷ 6.28318530718 ≈ 0.000925925925926 turn.
Results are rounded to 12 significant digits. Converting units does not increase the precision of the original measurement. Very large or small values outside JavaScript’s finite numeric range are rejected.
About Arcminutes
Arcminutes (′) measures angle under the conventions above. The base value in rad is (x × 0.000290888208666), where x is the numerical value in ′. Factors shown here are rounded for display; calculations use the stored factor.
About Turns
Turns (turn) measures angle under the conventions above. The base value in rad is (x × 6.28318530718), where x is the numerical value in turn. Factors shown here are rounded for display; calculations use the stored factor.
Definitions and sources
Carry the same physical assumptions into subsequent physics calculations.
Arcminutes to turns reference table
| Arcminutes (′) | Turns (turn) |
|---|---|
| 1 | 0.0000462962962963 |
| 5 | 0.000231481481481 |
| 10 | 0.000462962962963 |
| 25 | 0.00115740740741 |
| 50 | 0.00231481481481 |
| 100 | 0.00462962962963 |
| 1000 | 0.0462962962963 |
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