Mining Profitability Calculator

Frequently Asked Questions

Is Bitcoin mining still profitable in 2025?

Profitability depends entirely on electricity cost and ASIC efficiency. With electricity at $0.05/kWh and a modern Bitmain S21 (200 TH/s), mining is marginally profitable. At $0.15/kWh, most home miners lose money.

What is the typical electricity cost for mining?

A modern ASIC drawing 3,500W running 24/7 uses ~84 kWh/day. At average US residential rates ($0.15/kWh), that is $12.60/day or $4,600/year per machine - often exceeding mined Bitcoin value.

How are mining rewards taxed?

Mined crypto is taxed as ordinary income at fair market value when mined. If you operate as a business, you owe self-employment tax (15.3%) but can deduct electricity, hardware depreciation, and other expenses.

What is mining difficulty and why does it matter?

Bitcoin difficulty adjusts every 2 weeks to keep block times at 10 minutes. As more miners join, difficulty rises and per-unit rewards drop. Difficulty has roughly tripled since 2022, squeezing margins.

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Estimates for informational purposes only.

Important Disclaimer: Estimates for informational purposes only.

This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.

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How This Calculator Works

This tool estimates net mining profit from your share of the network. Your reward share is your hashrate ÷ network hashrate (both entered in the same units). Daily coins mined are share × block reward × blocks per day × (1 − pool fee%). Multiplying by coin price gives gross revenue. Electricity cost is (rig watts ÷ 1000) × 24 hours × cost per kWh. Subtracting power cost from revenue yields daily profit, which is then projected to monthly (×30) and yearly (×365) figures.

Electricity Is the Whole Game

For most miners, power cost is the single variable that decides profitability. At $0.05/kWh a rig may be solidly profitable; at $0.15/kWh the same rig can run at a loss while still "earning" coins. A 3,000 W rig running 24/7 consumes ~72 kWh/day - about $3.60/day at $0.05 but $10.80/day at $0.15. Always use your true marginal rate including delivery and demand charges, not just the headline energy price.

Inputs Worth Getting Right

Network hashrate: pull the current figure from a block explorer - it moves constantly and dominates your share.

Block reward: Bitcoin halves roughly every four years (6.25 → 3.125 in 2024); use the post-halving value plus average fees.

Pool fee: typically 1–3%; some pools also take a separate transaction-fee cut.

Rig power: measure at the wall, not the chip TDP - PSU inefficiency adds 5–15%.

Why Real Returns Decay

This is a snapshot at today's conditions; mining is a moving target:

Rising difficulty: as more miners join, the network hashrate climbs and your share - and earnings - shrink for the same hardware.

Price volatility: revenue is denominated in a coin that can drop 30–50% in days, flipping a profitable rig negative.

Halvings: a scheduled reward cut instantly halves the coin portion of revenue.

Hardware depreciation: ASIC/GPU value falls fast and is not deducted here - factor in payback period and resale.

Use This As an Estimate

Treat the output as a best-case current-conditions projection, not a forecast. Stress-test it: lower the coin price 40%, raise difficulty, and confirm the rig still clears its electricity bill. Include hardware amortization, cooling, downtime, and any local regulations or taxes before committing capital. This is an informational tool, not investment advice.

Mining Profitability Calculator

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