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Tool · estimates only

Antminer S21 Pro 245T Profitability Calculator

The Bitmain Antminer S21 Pro 245T is rated at 245 TH/s and 3,675 W (15 J/TH), air-cooled. Set your electricity price to see estimated output and running cost under current network conditions.
1. Select minerView specs
TH/s
W
4. Electricity price (USD per kWh)
units
%
Advanced settingsNetwork inputs, uptime, hosting and more

Set by the selected miner. Choosing another coin switches to a custom configuration.

USD
%
$/kWh
$/month

The block reward includes the average transaction fees (subsidy 3.125 BTC + average fees 0.0140 BTC). Hosting per kWh is added to the electricity price; the fixed charge is per machine for 30 days.

Estimated mining results

Antminer S21 Pro 245T

Bitcoin (BTC) · SHA-256

BTC mined / day
0.00010785
0.0032 BTC / 30 days
Gross revenue / day
$8.71
$261 / 30 days
Electricity cost / day
$5.29
$159 / 30 days
Net operating result / day
$3.41
$102 / 30 days
Break-even electricity
$0.0987/kWh
Revenue per TH/s
$0.0355/day
Energy / day
88.2 kWh
Energy / 30 days
2,646 kWh

Estimate only, not a promise of earnings. Calculated from the inputs shown, at constant difficulty and price. Difficulty, price, transaction fees, pool fees, uptime, hardware cost, cooling, downtime, taxes and depreciation may affect actual results.

Network data as of 2026-10-28 13:45 UTC · Price source: mempool.space · Difficulty source: mempool.space · Block reward: 3.139 BTC

View Antminer S21 Pro 245T

Antminer S21 Pro 245T at different electricity prices

Under today's network conditions the Antminer S21 Pro 245T breaks even on electricity at about $0.099/kWh. Below that price estimated revenue exceeds the electricity bill; above it, it does not.

Power priceElectricity / dayElectricity / 30 daysEst. revenue / dayEst. net / dayEst. net / 30 days
$0.03/kWh$2.65$79$8.71$6.06$182
$0.04/kWh$3.53$106$8.71$5.18$155
$0.05/kWh$4.41$132$8.71$4.30$129
$0.06/kWh$5.29$159$8.71$3.41$102
$0.07/kWh$6.17$185$8.71$2.53$76
$0.08/kWh$7.06$212$8.71$1.65$50
$0.10/kWh$8.82$265$8.71-$0.11-$3

Power and energy at scale

Electrical load and energy for the miners alone, from rated power. Site load is higher once cooling and distribution losses are added.

UnitsHashrateMiner loadEnergy / dayEnergy / 30 daysEst. BTC / 30 days
1245 TH/s3.7 kW88 kWh2,646 kWh0.00324
102.45 PH/s36.8 kW882 kWh26,460 kWh0.03236
10024.5 PH/s367.5 kW8,820 kWh264,600 kWh0.32355
1,000245 PH/s3.67 MW88,200 kWh2,646,000 kWh3.236

Planning 100 units or more? Speak with mining sales.

Network inputs used on this page

Bitcoin price
$80,730
mempool.space
Network difficulty
140.58 T
mempool.space
Block reward
3.1390 BTC
subsidy + average fees
Pool fee / uptime
2% / 100%
calculator defaults

Estimates, not a promise of earnings. Figures are calculated from the inputs shown, using network data as of 2026-10-28 13:45 UTC, and assume difficulty and price stay constant, which they do not. Hardware cost, cooling overhead, downtime, taxes and depreciation are not included.

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