Start Bitcoin Mining Today! Sign up and get GH/s for free. Mining Contracts Starting at BTC. A simple, accurate Bitcoin mining calculator + instructions on how to calculate W/Gh (watts per gigahash) is the metric used to display a miner's efficiency. What does W/Gh and W/Th mean? W/Gh and W/Th are abbreviations for watts per gigahash and watts per terahash. Bitcoin Consumes A Lot. Let's explore the factors that you need to consider bitcoih you buy mining hardware:. Although unlike 5th bitcoin miner, their total energy consumption is not transparent and cannot be as easily measured. If block rewards are worth so much, why isn't everyone buying ASICs? Nevertheless, there are ways for the little guy to turn a profit. Google, its data or content providers, the financial exchanges and each of their affiliates and business partners A expressly disclaim the accuracy, adequacy, or completeness of any data and B shall not be liable for any errors, omissions or other defects in, delays or interruptions in such data, or for any actions taken in reliance thereon. Real-Time Mining Monitoring. Google cannot guarantee the accuracy of the exchange rates displayed.