How many arcsecond in 1 grad? The answer is 3240. We assume you are converting between arcsecond and grad. You can view more details on each measurement unit: arcsecond or grad The SI derived unit for angle is the radian. 1 radian is equal to 206264.8062471 arcsecond, or 63.661977236758 grad. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between arcseconds and grad. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from grad to arcsecond, or enter any two units below:
A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.
one-hundredth of a right angle
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