# Angle Conversion Calculator

## Converts the angle in one unit to the others.

 Angle degree  arcminute  arcsecond  deg-min-sec gradian radian mil slope of road (%) slope of road (ñ)

 Unit name Result Unit degree 57.295779513082 ° arcminute 3,437.746770785 ′ arcsecond 206,264.80624709 ″ deg-min-sec 57.17448062 ° ′ ″ gradian 63.661977236758 grad radian 1 rad mil 1,018.5916357881 mil slope of road (%) 155.74077246549 % slope of road (‰) 1,557.4077246549 ‰
 $\normal Angle\ conversion\\\vspace{5}(1)\ 1degree=60arcmin=3600arcsec\\(2)\ 1degree={\large\frac{\pi}{180}}rad={\large\frac{100}{90}}grad\\(3)\ 1rad={\large\frac{180}{\pi}}deg,\ 1grad=0.9deg\\\vspace{5}(4)\ 1mil={\large\frac{180}{3200}}deg={\large\frac{1}{16}}grad\\\vspace{5}(5)\ slope(\%)=100tan(rad)\hspace{20} unit:percent\\\hspace{27} slope(\%{\tiny 0})=10slope(\%) \hspace{20} unit:permil\\\hspace{27} rad=atan({\large\frac{slope(\%)}{100}})=atan({\large\frac{slope(\%{\tiny 0})}{1000}})\\$

Thank you for your questionnaire.
Sending completion

To improve this 'Angle Conversion Calculator', please fill in questionnaire.
Male or Female ?
Male Female
Age
Under 20 years old 20 years old level 30 years old level
40 years old level 50 years old level 60 years old level or over
Occupation
Elementary school/ Junior high-school student
High-school/ University/ Grad student A homemaker An office worker / A public employee
Self-employed people An engineer A teacher / A researcher
A retired people Others
Useful?
Very Useful A little Not at All
Purpose of use?