Gram

\[\begin{aligned} y[tonne] &= 1 \times 10^{-6}x[gram] \\ y[Kilogram] &= 0.001x \\ y[miligram] &= 1000x \\ y[microgram] &= 1 \times 10^{6}x \\ y[Imperial\ ton] &= 9.8421 \times 10^{-7}x \\ y[US\ ton] &= 1.1023 \times 10^{-6}x \\ y[pound] &= 0.00220462x \\ y[ounce] &= 0.035274x \end{aligned}\]