Application
Now you are ready to measure the jump distance. Any ruler will do.
To convert this jump length measurement to a real life horizontal displacement, you need to multiply by your scale factor:
real distance = measured distance x scale factor
For example, on our monitor we got:
measured distance = 15.24
scale factor = 34
real distance = 15.24 cm x 34 = 518 cm = 5.18 m
Your answer should be close to 5.18 -- it's hard to measure accurately on the screen! But, if it's way off, try again.