Why do scientists need standard units of measurements?

Question

why do scientists need standard units of measurements?

Answer 1

So everyone else (including other scientists) will know what the heck they are talking about.

Answer 2

The same reason we establish standards for all other sorts of things: to help with communication, and cut down on confusion.  

Let's say there's a scientist in America who's researching the same thing that a scientist in Bulgaria is working on.  If they both publish their results to a scientific journal, but one is using feet and the other is using meters, then it slows down the process of each of them trying to read the results of the other.

Again, it's good to have establish standards for just about any field of study.  I'm a musician, and there have been times where I've sit in with other musicians who I've never played with in my entire life, but we were able to make music because we knew the standards of music theory.  ("This is a mid-tempo jazz waltz in the key of D-minor.  Here's a chord chart."  "OK, got it.")  If I was sitting in with a musician who had never read a music book before, and came up with his own note names and his own system of playing, he might still be a great musician but working with him could be absolutely frustrating.

Answer 3

So They always have a variable at the same level so that they can see the affects each different test does.

Answer 4

dear friend .. standards are needed so they can compare results they got from experaments with these standards to have a an estimate about their results..

for example if u wanna know wether your baby's weight is in the normal rate or not, the doctor must compare it with the standard curve for child growth.. if it was in the range so the baby is growing normally..

hope you got the picture.. lol .. i think i talk too much :)

Answer 5

Scientists all around the world perform similar tests, have similar theories, etc..., But to correlate results, they need to compare apples to apples, and oranges to oranges. If there was no basis of comparison, the scientific society would be helter skelter, and that just doesn't sound very scientific, now, does it?

Answer 6

why does man have standard languages?  To communicate. That's why we have standard measurement.