What does the formula 220 - your age tell you?
Maximum heart rate
-220 degrees Celsius = -364 degrees Fahrenheit The conversion formula is [Celsius] = [Fahrenheit-32] * 5/9. A quick way to check if the formula is correctly reproduced from memory is to try to plug (-40) into either Celsius or Fahrenheit. Try it -- it is a surprise. Ans for the problem = (-220)*9/5 + 32 = -364.
In rest, the heart of a healthy man will beat between 60 and 100 times per minute, averaging at a heart rate of 70 beats per minute. The maximum heart rate depends on age, and can be roughly calculated by the following formula; 220 - age = maximum heart rate. For (professional) athletes, a slightly different formula is used; 210 - half the age = maximum heart rate.