blockchained.com mining profitability
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Bitcoin mining profitability calculator

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Network
Bitcoin difficulty: blockexplorer.com: 3815723799
Generated coins per block: BTC/block currently 25, will drop to 12.5 some time around 2017-11

Market
Conversion rate: USD/BTC Mt.Gox 24h average from bitcoincharts.com: 612.93
Mining Factor GH: 0.01 USD/24h@1GHash/s as in the chart below.

Mining Operation
Hash rate: MHash/s = 1.20 GHash/s
Average time per block (solo mining): 433 years, 22 days (high variance / luck - detailed probabilities)
BTC per 24h at these conditions: 0.0002 BTC
Electricity rate: USD/kWh Power rates: USA, EU
Power consumption: W Mining Hardware Comparison
Power cost per 24h: 2.70 USD
Revenue per day: 0.10 USD
      ... less power costs: -2.60 USD
System efficiency: 1.60 MH/s/W

Profitability Estimate
Time frame:  months
Cost of mining hardware:  USD
Decline per year: default: 0.63 (from Moore's law: 0.5 every 18 months).
Historic chart below.
Mining Factor GH at the end of the time frame: 0.01 USD/24h@1GHash/s
Average Mining Factor GH: 0.01 USD/24h@1GHash/s
Power cost per time frame: 246.54 USD
Revenue per time frame: 8.36 USD
      ... less power costs: -238.18 USD

Hardware break even: never
Net profit first time frame: -1538.18 USD

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NO GUARANTEE! This is only a static estimate!


Potentially upcoming ASIC mining hardware

Company/DeviceMhash/sWattsPrice USDShipped
Avalon ASIC666006207200some; out of stockcalc
BFL BitForce Jalapeno500031274nocalc
BFL BitForce Little Single250001551250nocalc
BFL BitForce Single SC500003102500nocalc
BFL BitForce MiniRig SC1500000??no; Out of stock
bASIC ...36000?600fail
DeepBit Reclaimer ...4000?320in house; fail

Last update to table: 2013-04-21



Historical profitability. Does not include transaction fees.


ONCE ASICS WILL START BEING DELIVERED DIFFICULTY IS EXPECTED TO SKYROCKET...
BY A FACTOR OF 30 OR MORE

Mostly buying has been more profitable than mining.

Some more info on mining profitability: http://bitcoinx.com/profit