James Wentworth wrote: >Even US road signs use grads (Ex. "7% Grade"
No. A grad is not a grade. A grade is the rise in height divided by the road distance travelled expressed as a percentage. A 100% grade = 45 degrees.
James Wentworth wrote: >Even US road signs use grads (Ex. "7% Grade"
No. A grad is not a grade. A grade is the rise in height divided by the road distance travelled expressed as a percentage. A 100% grade = 45 degrees.