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Butterfly Labs
·
ASIC
·
Sha256
·
RELEASED SEP 2014
Butterfly Labs BFL Monarch — ROI calculator
Profit /day
$-0.81
Income /day
$0.03
0.00000031 BTC/day
Cost $0.84 @ $0.1/kWh
Hashrate
700Gh/s
Sha256
Power · Efficiency
350.0W
0.50 j/Gh
Butterfly Labs BFL Monarch loses up to $0.81 a day, best on Sha256 mining at 700 Gh/s. Also available: Sha256 hashpower sale ($-0.81/day). Pulling 350 W from the wall — at $0.10/kWh, not quite breaking even at today's rates.
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3 minutes ago
Similar miners ↓
Tap to switch · 7 sections ROI calculator 6/7
ROI calculator
ROI calculator for Butterfly Labs BFL Monarch
Model payback, electricity, and first-year return for this rig.
Hardware cost
$5,000
Electricity rate
$0.10/kWh
Runtime per day
24
Pool fee
2.0%
Difficulty growth /yr
+0%
Net profit /day
$0.00
after electricity & fees
Payback period
—
—
First-year return
$0
—
Projected cumulative profit
The line crosses $0 on the day you break even. Everything above is pure profit.
Monthly P&L · 3-year horizon
Capital cost is booked in month 1. Cumulative columns include the rig purchase, so Net goes positive at true breakeven.
| Month | Earned (mo) | Cost burned (mo) | Cumulative earned | Cumulative cost | Net | % ROI |
|---|
Profit vs cost
cost 2800.0%
Tap to switch · 7 sections ROI calculator 6/7
ROI calculator
ROI calculator for Butterfly Labs BFL Monarch
Model payback, electricity, and first-year return for this rig.
Hardware cost
$5,000
Electricity rate
$0.10/kWh
Runtime per day
24
Pool fee
2.0%
Difficulty growth /yr
+0%
Net profit /day
$0.00
after electricity & fees
Payback period
—
—
First-year return
$0
—
Projected cumulative profit
The line crosses $0 on the day you break even. Everything above is pure profit.
Monthly P&L · 3-year horizon
Capital cost is booked in month 1. Cumulative columns include the rig purchase, so Net goes positive at true breakeven.
| Month | Earned (mo) | Cost burned (mo) | Cumulative earned | Cumulative cost | Net | % ROI |
|---|
Frequently asked
About the Butterfly Labs BFL Monarch
Is the Butterfly Labs BFL Monarch profitable?
As of October 2026, the Butterfly Labs BFL Monarch earns $-0.81/day mining Sha256 at an electricity cost of $0.1/kWh. At this electricity rate it is not profitable.
What is the payback period for the Butterfly Labs BFL Monarch?
Payback equals hardware cost divided by daily profit. The ROI calculator on this page projects payback months for the Butterfly Labs BFL Monarch at $0.1/kWh — adjust the electricity rate and the hardware cost to match your scenario. Most miners aim for 12–24 month payback on new hardware.
What's the break-even electricity rate for the Butterfly Labs BFL Monarch?
Break-even electricity is the rate above which the Butterfly Labs BFL Monarch stops being profitable. The calculator below derives it from the rig's revenue and power draw — anything below this rate yields positive daily profit, anything above turns the rig into a net loss.
