One pip = 0.01 of price. A standard lot is 5,000 troy ounces, so pip value = pip size × contract size × lots. Figures assume a USD account; confirm the contract size with your broker.
About this calculator. The result is an educational estimate. Contract sizes, pip values, spreads, commissions and overnight financing differ by broker and by instrument, and fills can differ from the prices you model. Check your own account's specification before trading.