Video Card Bitcoin Mining Calculator

This calculator helps you determine the profitability of mining Bitcoin using a video card. By entering your card's hashrate, power consumption, and electricity costs, you can estimate daily earnings and ROI.

How to Use This Calculator

To calculate Bitcoin mining profitability with your video card:

Enter your video card's hashrate in MH/s (Megahashes per second)
Enter the power consumption of your card in watts
Enter your electricity cost per kWh
Select the current Bitcoin difficulty level (higher means more competition)
Click "Calculate" to see your estimated daily earnings and ROI

The calculator uses current Bitcoin network statistics and assumes you're mining 24/7. Results are estimates and may vary based on actual conditions.

Formula Used

The calculator uses this formula to estimate daily Bitcoin earnings:

Daily Bitcoin Earnings = (Hashrate × Reward per Block × Blocks per Day) / Network Hashrate

Where:

Hashrate = Your card's hashrate in MH/s
Reward per Block = Current block reward in BTC
Blocks per Day = 144 (average blocks mined per day)
Network Hashrate = Current total network hashrate in TH/s

Electricity costs are calculated separately and subtracted from earnings to determine net profit.

Worked Example

Let's calculate profitability for a 50 MH/s card with 200W power consumption at $0.12/kWh electricity cost:

Hashrate: 50 MH/s
Power consumption: 200W
Electricity cost: $0.12/kWh
Difficulty: Medium (Network hashrate: 200 TH/s)

Assuming current block reward is 6.25 BTC and network hashrate is 200 TH/s:

Daily Bitcoin Earnings = (50 × 6.25 × 144) / 200,000 = 0.028125 BTC/day

Daily Electricity Cost = (200W × 24 hours × $0.12/kWh) / 1000 = $0.576/day

Net Daily Profit = $0.028125 × 50,000 - $0.576 ≈ $1.35

This example shows a net profit of approximately $1.35 per day with this configuration.

Interpreting Results

Your results will show:

Daily Bitcoin Earnings: How much Bitcoin you would mine in a day
Daily Electricity Cost: How much electricity costs to run your card
Net Daily Profit: Your earnings minus electricity costs
ROI: Return on Investment showing how long it would take to recover your initial investment

Consider these factors when interpreting results:

Hardware depreciation: Video cards lose value over time
Electricity price fluctuations: Costs may change over time
Network difficulty: Can increase or decrease over time
Block reward halving: Occurs approximately every 4 years, reducing rewards

Note: Bitcoin mining profitability is highly variable. Always verify with current market conditions before making investment decisions.

Frequently Asked Questions

How accurate are these calculations?: The calculator provides estimates based on current data. Actual results may vary due to changing market conditions, electricity costs, and hardware performance.
What factors affect Bitcoin mining profitability?: Key factors include your card's hashrate, power consumption, electricity costs, current Bitcoin price, network difficulty, and block reward amount.
How often should I check my mining profitability?: Check at least monthly as market conditions change frequently. Major events like halving or price fluctuations can significantly impact profitability.
Is it better to mine Bitcoin with a single powerful card or multiple weaker cards?: Single powerful cards typically offer better efficiency. However, consider your power supply capacity and cooling requirements when choosing between configurations.
What should I do if my mining isn't profitable?: Adjust your settings, consider upgrading hardware, or monitor market conditions. You may need to wait for more favorable conditions before achieving profitability.