Built from calculations I needed on the road
Hey, I’m Kevin! I’m an active regional CDL driver, and CDLMath started because I kept needing the same practical answers: how a tandem move should affect a scale ticket, whether a trip fit the clocks left, and what a company-driver pay package really worked out to.
The tools are free, require no account, and are designed first for quick use on a phone. The guides explain the reasoning behind the numbers without turning the site into a generic trucking blog.
Use the result, then verify the decision
CDLMath helps with planning. It does not replace an ELD, certified reweigh, applicable regulation, equipment rating, carrier instruction, tax professional, or the driver's judgment. Conditions and rules change, so important decisions still need the proper source.