Formula used
Total hash rate = number of cards × hash rate per card.
Effective hash rate = total hash rate × uptime × (1 − stale rate).
Network hash rate = network difficulty × difficulty constant ÷ block time.
Coins per day = effective hash rate × 86,400 × block reward ÷ (network difficulty × difficulty constant).
Gross revenue = coins per day × coin price.
Energy cost = total watts ÷ 1,000 × 24 × uptime × electricity price.
Net daily profit = gross revenue − pool fees − developer fees − energy cost − maintenance − tax.
Payback days = hardware cost ÷ net daily profit. If profit is zero or negative, payback is not reached.
How to use this calculator
Enter the card name, card count, hash rate, and power draw. Use the unit selector to match your mining software output. Add electricity price, pool fees, stale shares, and uptime. Then enter network difficulty, block reward, coin price, and hardware cost. Press calculate. Review daily profit, payback, yearly return, and export buttons.
Example Data Table
| Card |
Hash rate |
Power |
Count |
Power price |
Use case |
| RTX 3060 Ti |
62 MH/s |
130 W |
6 |
$0.12/kWh |
Balanced efficiency test |
| RTX 3080 |
95 MH/s |
240 W |
4 |
$0.10/kWh |
Higher revenue test |
| RX 580 |
30 MH/s |
120 W |
8 |
$0.08/kWh |
Low purchase cost test |
Planning A Mining Card Setup
A mining graphics card calculator helps compare cards before money is spent. It combines hash rate, watts, price, network difficulty, coin value, fees, and uptime. The goal is not only gross revenue. The real goal is net profit after power, pool costs, maintenance, and tax. This matters because a card can look strong but still lose money when electricity is high.
Why Inputs Matter
Hash rate shows how much work the card can submit. Power draw shows the running cost. Difficulty shows how hard rewards are to earn. Coin price changes the cash value of those rewards. Pool and developer fees reduce revenue. Uptime reduces both income and energy use. A realistic uptime value is often better than assuming perfect operation every day.
Profit And Payback
Daily profit is the fastest number to review. Monthly and annual projections add more context. Payback days compare hardware cost with net daily profit. A shorter payback period means lower capital risk. Resale value also matters. Cards may keep some value after mining, but that value can fall quickly when markets change.
Advanced Projection Use
The calculator includes monthly change fields. These fields estimate future shifts in difficulty, reward, and coin price. A positive difficulty change usually reduces future coins. A positive price change may raise cash revenue. A negative reward change can model halvings or emission cuts. These projections are estimates, not guarantees.
Better Decisions
Use the result table to compare several cards under the same assumptions. Keep electricity price accurate. Include risers, boards, frames, and cooling in rig cost. Add maintenance for fans, thermal pads, cleaning, and downtime. Export the results for records. Then compare each card by net profit, payback, energy use, and yearly return. A careful model protects budget and shows which card has the strongest mining case.
Risk Checks
Mining results can change quickly. Test best case, normal case, and weak case. Raise power price once. Raise difficulty once. Lower coin price once. These checks show risk before purchase. Also watch heat. A cooler card may run longer. Stable settings can beat extreme settings. Efficiency often matters more than peak hash rate. Good planning turns uncertain mining data into a clearer investment decision today.
FAQs
1. What does this mining graphics card calculator estimate?
It estimates coins, revenue, fees, power cost, daily profit, payback time, and annual return. It also projects changes from difficulty, reward, and coin price assumptions.
2. Why is my result negative?
A negative result means electricity, fees, maintenance, or tax are greater than gross mining revenue. Try lower power settings, cheaper electricity, better uptime, or a more efficient card.
3. What is the difficulty constant?
The difficulty constant converts network difficulty into expected work. Many difficulty models use 4,294,967,296. Some networks use different logic, so check the coin documentation.
4. Should I include system power?
Yes. Motherboard, processor, fans, drives, risers, and power supply losses use energy. Ignoring them can make a mining setup look more profitable than it is.
5. What does uptime percent mean?
Uptime is the share of time the rig mines successfully. It accounts for restarts, internet loss, pool issues, maintenance, overheating, and other downtime.
6. How is payback calculated?
Simple payback divides hardware cost by net daily profit. Resale adjusted payback subtracts estimated resale value first. If profit is negative, payback is not reached.
7. Are monthly projections guaranteed?
No. They are estimates based on your monthly change inputs. Real mining returns can change due to network difficulty, coin price, rewards, fees, and hardware failures.
8. Can I compare multiple cards?
Yes. Run the calculator once for each card. Keep network, power price, fee, and price assumptions consistent. Then compare profit, payback, and efficiency.