3) TP’S BITCOIN CALCULATOR
By using this tool, you will be able to discover how much the Bitcoin mining ring can make you money. The exchange rate, as well as, the difficulty information are updated every hour.
4) BITCOIN MELT VALUE CALCULATOR FOR GOLD
With this tool, you can find out the total value of Bitcoin of your gold items. On the same website, you can also find a calculator for silver. You can use either calculator.