Money

Electricity Cost Estimator

Estimate electricity cost from wattage, usage time, and price per kWh.

Updated: May 15, 2026

Input

Estimate electricity cost from wattage, usage time, and price per kWh.

This is a rough estimate. Plan fees, fuel adjustments, and renewable surcharges are not included.

Result

¥6

Estimated cost

0.2 kWh

Energy

0.17 h

Hours

Use this as a guide and adjust for your real conditions.

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How to use

  1. Enter Watts, Usage time, Unit price.
  2. Check the estimate in the result area.
  3. Share a reproducible URL if needed.

How to read the result

  • Read Estimated cost, Energy used as quick decision-making estimates.
  • Do not treat the result as a fixed answer; adjust assumptions to see the range when needed.

Useful tips

  • Useful when you want to estimate the cost of using a dryer for 10 minutes; adjust inputs to compare scenarios.
  • Useful when you want to compare appliance running costs; adjust inputs to compare scenarios.
  • Electricity rates vary by plan and region. Use the per-kWh rate from your bill for a better estimate.
  • Change one input at a time to see how payment, shortfall, or cost moves.
  • Use values close to the real quote, bill, or checkout screen.

Calculation

The tool calculates a rough estimate from the values you enter. Pay, tax, and insurance outputs are only estimates.

Notes

  • Use results as a guide.
  • This is not tax, labor, or financial advice.
  • Actual deductions and conditions can differ.
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FAQ

Are inputs saved?

Inputs are calculated in your browser and are not sent to a server. When you use sharing, the reproducible URL includes the current conditions.

Are results exact?

Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.

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