The Gold price here is in USD ($) per Troy Ounce (TOZ)
1 TOZ = 31.1034768 grams
IDR Price per Gram = USD Price per TOZ / 31.1034768 x USD Exchange Rate
For example:
Gold price is USD per TOZ = 1,413 dollar amerika
USD Exchange Rate = 9,500 rupiah
IDR Price per Gram = 1,143 / 31.1034768 X 9,500 = 431,575.55 rupiah
