Just to give me and idea

[OldeFahrt]

You are correct Sir.
I played with it for a while yesterday, but I can't get it to open today.

Well it opened from the search page just now.:shrug:

http://http://www.speedworldmotorplex.com/calc.htm

http://www.race-cars.net/calculators...alculator.html

http://www.ajdesigner.com/phphorsepo...horsepower.php

Here are a few with different formats. I just Googled them up.