Private workflow tool
Fuel and Electricity Cost Calculator
Compare old and new fuel or electricity prices against your own usage to estimate personal budget impact.
Compare personal energy costs
Cost comparison will appear here.
Practical ways to use this tool
- Gas price change — Enter miles per day and MPG to see monthly impact.
- Electricity rate change — Enter daily kWh and old/new rates.
- Commuting what-if — Compare a shorter commute or different vehicle efficiency manually.
Privacy note: the entries you type are processed in your browser. Use copy, download, or calendar export only when you want to move results somewhere else.
What makes it useful
This makes broad price changes personal by using your own usage, period, and rates rather than generic averages.
It does not fetch live energy prices. Enter prices from your bill, pump, or utility notice for the most useful estimate.
FAQ
Does it use live fuel prices?
No. You enter old and new prices manually.
What unit should electricity use?
Use kWh per day and price per kWh.
How does fuel mode work?
It divides miles per day by MPG, then multiplies gallons by price.