Automotive Tools
Wheels, alignment and fasteners — where the units quietly disagree and a spec carried across changes what it means.
Wheel Offset & Backspacing Calculator
Offset, backspacing and bolt patterns — where the wheel flange adds exactly half an inch to every backspacing figure, whatever the wheel.
Toe & Camber Alignment CalculatorConvert toe between millimetres, degrees and minutes — where an eighth of an inch is 0.478 degrees on a 15 inch wheel and 0.377 on a 19.
Lug Nut Torque & Clamp Load CalculatorWhat a torque figure actually clamps — where about ninety per cent of it goes into friction, and the same 110 Nm spans two and a half times the clamp load.