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Useful GPS conversion formulas
| To convert... | Use the formula |
| ddmm.mmmm to dd.dddd | dd.dddd = dd + mm.mmmm / 60 |
| dd.dddd to radians | radians = dd.dddd / 57.2957795 |
| radians to dd.dddd | dd.dddd = radians * 57.2957795 |
| nautical miles to meters | M = NM * 1852 |
| meters to nautical miles | NM = M / 1852 |
| nautical miles to miles | MI = NM * 1.150779 |
| miles to nautical miles | NM = MI / 1.150779 |
| knots to KM/hr | KM/hr = Knots * 1.852 |
| KM/hr to knots | Knots = KM/hr / 1.852 |
| knots to MI/hr | KM/hr = Knots * 1.150779 |
| MI/hr to knots | Knots = KM/hr / 1.150779 |
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