Re: Grade conversions

[David Johnson <trainman@ozemail.com.au>]

Paul Blair wrote:

> This thread has given me quite some amusement!
>
> Grades can be expressed at least 2 ways:
>
> 1. 1 in x (eg 1 in 20) where the road/rail/etc rises or falls 1 unit
> in every 20 units along the ground
>
> 2. 5%, or 5/100 or 1 in 20. Same as 1.
>
> So, no fancy software required. Express a "1 in x" type as "y/100",
> and you have the percentage grade. 1 in 16 becomes 6.4/100 or 6.4%.

But it was much more fun writing the program to do it.

--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/