Rob,
As Helen said - you need to resize things as nothing is fitting on any of my test devices.
I do have a few comments though, and please take these in the spirit they are offered - that is an honest view to help you improve rather than someone trying to critisize your work.
1) The text boxes should be set for number input rather than text (in designer)
2) The velocity boxes should either be labels, or be disabled so that you cannot enter things.
3) In your code you should check that Miles, yards, hours, minutes and seconds contain valid numbers BEFORE any calculations. At the moment you can put text into the boxes and crash the app. If any of the values are not valid you should return from the sub so the app does not crash.
:sign0089: