You can measure the camber petty accuractely with the level method. The floor has to be level between the tires. As an example, if you measure the difference from vertical between the bottom and the top of the rim you can compare it to the specs. Use the sine function in the calculator to get the sine of one deg for instance and then multiply by 16 for 16 inches. The result is .279" or the correct measurement for 1 deg.