Slope Meter/Tilt Meter/Inclinometer

[Wasatch Rebel]

The other day I drove up a dirt road that had a couple of sections that I swear were at more than a 45 degree angle. Of course, the lay of the land could have been playing tricks with my eyes. I would like to purchase some kind of gauge that tells me what the angle of the slope is that I'm climbing. Any recommendations?
My current rig is a 2013 SR5 with Falken Wildpeak AT/4s

 

[spartacus]

The other day I drove up a dirt road that had a couple of sections that I swear were at more than a 45 degree angle. Of course, the lay of the land could have been playing tricks with my eyes. I would like to purchase some kind of gauge that tells me what the angle of the slope is that I'm climbing. Any recommendations?
My current rig is a 2013 SR5 with Falken Wildpeak AT/4s

Sun company makes analog meters. There are other electronic slope meters or inclinometers, google it.

 

[fourwd1]

In previous years SR5 and higher trim levels usually came with a gauge cluster like this.

At least my '84 and '89 have it and AFAIK later years too.

If you search you'll find them available used.