Heya Kensington,
Looks like the factor is 194 for FedEx. If you punch in some numbers and click calculate, it states that it's 194:
http://www.fedex.com/cgi-bin/crg_dim...ountry_code=us
UPS:
http://www.ups.com/content/us/en/res...im_weight.html
This guy is 31" x 12" x 12" so 23 lbs for FedEx.
UPS looks like they won't Dim Weight it as the in^3 comes in under 5184. Interesting...