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How much Bitcoin can I mine with a particular mining rig?

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GlobalPublished 6 October 2026 · Written by BuyMeWhiskey Editorial Team · How we check facts

A mining rig does not mine a fixed quantity of Bitcoin each day. Expected output depends on its hash rate, current network difficulty, the block reward, pool fees and luck. Use those variables to estimate production, not a guaranteed daily amount.

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Record the rig’s actual sustained hash rate and power draw, then model expected revenue using current network conditions rather than a seller’s historical screenshot.

Read how Bitcoin mining works

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The inputs that actually drive the estimate

A mining-output estimate needs more than the model name of the machine. The first input is hash rate, usually expressed as hashes per second or a larger unit such as terahashes per second. The next is network difficulty or an equivalent current network estimate, followed by the block subsidy and expected transaction-fee component. A pool calculation also needs its fee percentage and payout method.

The rig’s electricity use matters for profit rather than gross coin production. Two miners with the same hash rate can produce roughly similar gross Bitcoin output while leaving very different net results because one consumes much more power. If a seller advertises only an expected daily coin amount, ask which network assumptions produced it.

Why daily output is not a fixed entitlement

Bitcoin mining is probabilistic. A miner does not earn a precisely metered quantity of Bitcoin every hour. Each hash is another attempt to satisfy the current proof-of-work target. A solo miner can have a long period with no successful block followed by a successful discovery, while a pool smooths payments by combining many participants.

This distinction is important when reading a calculator. The result is an expected value or an estimate based on network inputs. It is not a promise that your wallet will receive that amount tomorrow morning. Short-term results can sit above or below the expectation because block discovery is random.

Why pool mining usually matters for small rigs

A small home rig typically has nowhere near enough hash power to expect regular solo blocks. Joining a pool changes the distribution of outcomes. Instead of waiting for your own block, the pool measures valid shares that demonstrate contributed work and uses its chosen payout formula to distribute rewards.

Pool fees reduce the amount that reaches the miner. Some pools also impose minimum payout thresholds, so the balance may accumulate before a payment is made. When estimating cash flow, include those mechanics rather than comparing your rig’s gross expected share with the balance you actually receive.

How to build a sensible estimate

Start with current network data, then estimate the rig’s fraction of network hash power. If a miner controls 0.0001% of the network’s hash rate, its long-run share of expected block rewards is also roughly that fraction, before pool fees and other adjustments. The estimate must be refreshed because network participation changes.

A simple revenue model can be expressed as expected network rewards multiplied by the rig’s hash-rate share, then reduced by pool fees. This is an economic model, not a protocol guarantee. A live calculator may use additional data about current fees, difficulty and coin price.

Separating coins mined from money earned

Bitcoin output and profit are different questions. The rig can receive the same expected amount of BTC whether your electricity costs £0.10 per kWh or £0.40 per kWh, provided the hardware performs the same and remains online. But the higher tariff can turn a positive operating margin into a loss.

Measure real wall-plug consumption rather than relying only on the chip’s advertised thermal design. Fans, networking equipment, controllers and cooling can add to the load. If mining heats a room that would otherwise require separate heating, some households may assign a value to that heat, but that should be treated as an assumption rather than a guaranteed saving.

Why the rig’s age changes the answer

Mining hardware is not static. A rig that looked competitive when purchased can become less effective as new machines increase network hash power. Older hardware may also require more maintenance and have less favourable energy efficiency. Therefore, an answer such as “this rig mines X BTC per day” has a short shelf life.

The best practice is to rerun the calculation whenever the rig’s hash rate changes, energy price changes, hardware availability changes or network conditions move materially. A current 2026 estimate should not be copied from an archived forum post.

What about tax?

Tax treatment depends on where you live and how the mining activity is characterised. For a UK resident, cryptoasset income and gains can have different consequences depending on whether mining is treated as a trade or as miscellaneous income and what happens when the mined assets are later disposed of. A mining revenue estimate should therefore remain a production estimate until the relevant tax treatment is established.

Keep records of dates, amounts received, valuation evidence and expenses. Those records let you move from a gross production figure to the figures needed for the tax return instead of reconstructing the history from wallet balances months later.

Worked example

Illustrative rig estimate: assume a hypothetical rig produces a modelled 0.000003 BTC per day under a particular set of network assumptions and runs every day for 30 days. This is an example of arithmetic, not a current forecast.

Daily modelled output: 0.000003 BTC
Days: 30
Modelled monthly output: 0.000003 × 30 = 0.00009 BTC
If that output were valued illustratively at £80,000 per BTC, gross value would be 0.00009 × £80,000 = £7.20

The £7.20 is not a promise that the rig will actually earn that amount. A real month can differ because the modelled network conditions move, pool deductions apply, the hardware may be offline and block discovery is random. A useful comparison therefore puts the estimated gross value beside electricity and other running costs.

Can I know exactly how much Bitcoin my miner will make tomorrow?#

No. Bitcoin mining does not dispense a fixed amount per unit of hash power each day. Your expected share can be modelled from current network conditions, but actual results vary with block timing, changing network difficulty and whether your pool or solo setup receives a successful block. Treat calculator results as estimates rather than scheduled payments.

Why does my mining calculator keep changing its answer?#

The variables behind the estimate move. Network difficulty and total hash power change as miners join or leave, Bitcoin’s price changes the value of the output, pool fees can differ between services, and your hardware may not sustain its advertised rate. A calculator is therefore a snapshot of assumptions, not a permanent income statement.

Does electricity affect the number of Bitcoin I mine?#

Usually it affects profitability rather than the protocol amount attributable to your hash rate. If the rig performs the same amount of hashing, its expected share of network rewards is broadly unchanged by your electricity tariff. The bill determines whether the coins produced are worth more or less than the cost of keeping the equipment running.

Is pool mining safer than solo mining?#

The main advantage of a pool is financial smoothing rather than a guarantee of safety or profit. A pool can produce smaller, more regular payouts than solo mining because many miners combine their work. You still take counterparty and operational risks, so examine the pool’s fees, payout rules, withdrawal process and reputation before committing hash power.

What should a mining profitability calculation include?#

Include hash rate, current network difficulty or an equivalent live measure, expected block rewards, transaction-fee assumptions, pool fee, power consumption, electricity price, uptime and hardware costs. If you want a longer-term return estimate, add maintenance and the possibility that the machine becomes obsolete or uneconomic before it has recovered its purchase cost.

Should I compare mining revenue in Bitcoin or pounds?#

Use both. Bitcoin output tells you how much cryptocurrency your rig is expected to generate, while pounds reveal whether that output covers the expenses you actually face. Reporting only BTC can make a weak operation look attractive during a price surge, while reporting only pounds hides the underlying production risk when the coin price changes.

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Sources

Figures were checked against these sources before publication. If a rule changes, we update the page and show the new date.

General information, not personal financial advice. Rules depend on your circumstances; check the official source or speak to a regulated adviser before acting.