Bitcoin mining profitability calculator

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Network

Bitcoin difficulty:		blockexplorer.com: 18736441558
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: 647.75

Mining Factor GH: 0.00 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): 2126 years, 171 days (high variance / luck - detailed probabilities) BTC per 24h at these conditions: 0.0000 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: 0.02 USD
      ... less power costs: -2.68 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: 0.00 USD/24h@1GHash/s
Average Mining Factor GH: 0.00 USD/24h@1GHash/s
Power cost per time frame: 246.54 USD

Revenue per time frame: 1.80 USD       ... less power costs: -244.74 USD Hardware break even: never Net profit first time frame: -1544.74 USD

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NO GUARANTEE! This is only a static estimate!

Potentially upcoming ASIC mining hardware

Company/Device	Mhash/s	Watts	Price USD	Shipped
Avalon ASIC	66600	620	7200	some; out of stock	calc
BFL BitForce Jalapeno	5000	31	274	no	calc
BFL BitForce Little Single	25000	155	1250	no	calc
BFL BitForce Single SC	50000	310	2500	no	calc
BFL BitForce MiniRig SC	1500000	?	?	no; Out of stock
bASIC ...	36000	?	600	fail
DeepBit Reclaimer ...	4000	?	320	in 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...
Mostly buying has been more profitable than mining.

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