Mining Parameters
Model Assumptions
- Block reward: 3.125 BTC (post-April 2024 halving)
- 144 blocks per day (10-minute target)
- Constant network difficulty over analysis period
- Subsidy-only revenue (no transaction fees)
- 100% uptime assumed
- No cooling, maintenance, or hosting costs
Profitability Results
Calculation Breakdown
Electricity Rate Sensitivity
How profitability changes with different electricity rates:
Understanding Bitcoin Mining Economics
How Bitcoin Mining Works
Bitcoin mining is the process of validating transactions and adding new blocks to the Bitcoin blockchain. Miners compete to solve cryptographic puzzles, and the first to find a valid solution receives the block reward (currently 3.125 BTC) plus transaction fees.
Your expected daily earnings depend on your share of the total network hash power. If you contribute 100 TH/s to a network of 600 EH/s, you control approximately 0.0000167% of network power and can expect that fraction of daily block rewards.
Key Profitability Factors
- Electricity cost: The dominant operating expense. Industrial miners often achieve $0.03-0.05/kWh; residential rates of $0.10+ make mining difficult.
- Hardware efficiency: Measured in J/TH (joules per terahash). Newer ASICs like the S19 XP achieve 21.5 J/TH vs. 34 J/TH for older models.
- Bitcoin price: Directly affects revenue. A 50% BTC price increase doubles revenue with no change in costs.
- Network difficulty: Adjusts every 2,016 blocks (~2 weeks) to maintain 10-minute block times. Rising difficulty reduces individual earnings.
- Block reward halving: Every 210,000 blocks (~4 years), the reward halves. Next halving expected ~2028.
Risk Factors
This calculator provides a snapshot estimate. Actual mining outcomes vary due to:
- Network difficulty increases (typically 3-5% monthly during bull markets)
- Bitcoin price volatility
- Hardware depreciation and failure
- Electricity rate changes
- Pool luck variance in the short term
Mining as an Investment
From a finance perspective, mining is a capital investment with variable returns. Key metrics to evaluate:
- Payback period: Time to recover hardware cost from profits
- Operating break-even BTC price: Minimum BTC price to cover electricity costs
- Total break-even: BTC price needed to recover both capex and opex over hardware lifetime
Compare mining returns against simply buying and holding Bitcoin. If projected mining returns don't exceed direct BTC purchase returns, buying BTC directly may be the better strategy.
Frequently Asked Questions
Disclaimer
This calculator provides estimates for educational purposes only. Actual mining results will vary due to network difficulty changes, Bitcoin price volatility, hardware performance variations, and other factors. This is not investment advice. Mining cryptocurrency involves significant financial risk. Always conduct thorough research before making equipment purchases or investment decisions.
