Resistance 𝑅 R is related to resistivity 𝜌 ρ by the formula 𝑅 = 𝜌 𝐿 𝐴 R=ρ A L , where 𝐿 L is the length and 𝐴 A is the cross-sectional area of the conductor. Resistivity is a material property, while resistance depends on both the material and the dimensions of the conductor.