GPU Hash Rate & Profitability Calculator
Estimate your mining earnings based on hardware performance and power costs.
Mining Projections
Understanding GPU Hash Rate and Mining
A GPU Hash Rate Calculator is an essential tool for cryptocurrency miners using Graphics Processing Units (GPUs). It helps determine whether a specific hardware setup is financially viable by comparing the speed of cryptographic calculations (hash rate) against the cost of operation (electricity and hardware investment).
What is Hash Rate?
Hash rate is the measure of how many calculations your graphics card can perform per second to solve the complex mathematical puzzles required by Proof-of-Work (PoW) blockchains. It is typically measured in Megahashes per second (MH/s), Gigahashes (GH/s), or Terahashes (TH/s) depending on the algorithm and the network's scale.
Key Factors in the Calculation
- Hash Rate (MH/s): The raw speed of your GPU. Higher values increase the probability of earning rewards.
- Power Draw (Watts): How much electricity your GPU consumes. High-performance cards often require significant power, which eats into profits.
- Electricity Cost: Measured in dollars per kilowatt-hour ($/kWh). This is the most significant recurring expense for miners.
- Efficiency: Calculated as MH/s per Watt. This tells you how much work you are getting for every unit of energy consumed.
- Pool Fees: Most miners join a "pool" to combine resources. Pools usually charge a fee (1% to 3%) on earnings.
Example Calculation
If you have an NVIDIA RTX 3080 with a hash rate of 100 MH/s drawing 250 Watts, and your electricity cost is $0.12/kWh:
- Daily Energy Usage: (250W * 24h) / 1000 = 6 kWh.
- Daily Energy Cost: 6 kWh * $0.12 = $0.72.
- Gross Revenue: If the network pays $2.50 per 100 MH/s, your gross is $2.50.
- Net Profit: $2.50 (Gross) – $0.72 (Electricity) – $0.025 (1% Pool Fee) = $1.755 Daily Profit.
Optimizing Your GPU
To maximize profitability, professional miners often "undervolt" their GPUs. This involves reducing the voltage supplied to the card while maintaining a stable core or memory clock. This reduces heat and power consumption, significantly improving the MH/s per Watt efficiency ratio.