Calculate a pipe's surface area using the circumference measurement in millimetres.
This calculator provides Imperial and Metric results.
S = C*L where S is the surface area in square units C the pipe's circumference L the length of the pipe
one millimetre (mm) = 0.0393700787401575 inches (in) one square millimetre (mm²) = 0.01 square centimetres (cm²) one square millimetre (mm²) = 0.000001 square metres (m²) one square millimetre (mm²) = 0.0015500031000062 square inches (in²) one square millimetre (mm²) = 0.0000107639104167097 square feet (ft²)