![]() ![]() You can relate this to degrees by noting that 360 degrees = 2 π rad, so 1 radian = 57.3 degrees.Ĭonverting RPM to radians per second (i.e. ![]() There are 2π radians (rad) in a complete revolution, so π radians is half a circle and so on. You don’t need to go much further than your intuitive understanding here, but remember that this is only per minute, not per second like many other measures of rotation.Ī radian is a measure of an angle, like degrees, but defined in terms of π to make calculations easier in math and science in particular. ![]() Revolutions per minute (RPM) is just what it sounds like: The number of complete turns (full revolutions) the engine or wheel makes in a one-minute time period. Understanding both of the measures you’re considering is the first step to performing a valid conversion. REV TO RAD HOW TOThis question might strike you as very specific, but in reality, if you learn how to do this conversion, other conversions such as radians per second to RPM (the opposite process) and many others will start to make sense. For instance, if the crankshaft of a car engine is turning at 4,000 revolutions per minute (RPM), how big of an angle does it turn in a single second? There are many different ways to measure the speed something is turning, but you’ll need to understand what they actually mean if you need to convert from one to another. ![]()
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