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Electricity cost calculator

Answer three questions and you will know whether this machine makes or loses money where you are. If you want to adjust the detail, the advanced settings are below.

Three questions
Enter what the next unit of electricity costs you, including the fuel clause charge — not the average printed on the bill.
Advanced settings (you can leave these alone)
In an air-conditioned room, add about a third.
An estimate that goes stale within days. Check WhatToMine or minerstat for today's figure and put it in.
Lower this to model off-peak-only running.
HK$0
Estimated net profit per month
  • Electricity must be cheaper than—
  • Capital payback—
  • Electricity per month—

—

Show every figure
Electricity
  • Tariff applied—
  • Units per day—
  • Units per month—
  • Cost per day—
  • Cost per year—
  • Share of revenue—
Mining revenue
  • Total hashrate—
  • Total wall power—
  • Gross revenue per day—
  • Pool fee per day—
  • Net revenue per day—
  • Profit per day—
  • Profit per year—
  • Capital deployed—

Same machine, different power price

This chart is the whole business in one picture: the machines barely differ, the electricity contract decides everything.

How these numbers are worked out
  • Units per day watts ÷ 1000 × hours × uptime
  • Cost per day units × price per unit
  • Gross revenue US$ per card per day × cards × FX
  • Net revenue gross − pool fee
  • Profit per day net revenue − electricity
  • Break-even tariff net revenue ÷ units
  • Payback capital ÷ monthly profit

A month is 30.44 days. No compounding, no assumed price rise, no depreciation, no tax. Those belong in your own model.

What this calculator deliberately ignores

Coin price movement. The single largest variable. We hold it flat, because once you start guessing the price every other number becomes theatre.

Rising difficulty. Network hashrate grows over time and your share shrinks. This erodes income faster than most newcomers expect.

Depreciation and resale value. A used 6600 XT is a depreciating asset with a real second-hand floor. Both matter; neither is modelled.

Air conditioning. If the machine sits in a cooled room, raise the wall-power figure.

Tax. Mining profits from a business carried on in Hong Kong are assessable. Take your own advice.

Please read this before acting on anything above. This tool models the running cost of hardware. It is not investment advice, not a forecast and not a promise. We are a hardware supplier, not a licensed adviser. The revenue-per-card default is an estimate that goes stale within days — and you should assume that mining a highly volatile asset can lose you your entire capital.

© Hashpoint HK 算點科技. Tariff data from the Hong Kong 2026 electricity tariff announcement. All performance figures are typical tuned results, not guarantees. Home · Sales terms · Market research (简体)