電力計算機
Calculate power, voltage, current, resistance, energy, and cost using Ohm's law. Get step-by-step solutions with interactive charts.
計算する
Select a calculation type, enter your values, and click Calculate to see results with step-by-step solutions.
結果
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段階的な解決策
視覚化
完全なユーザーガイド
What is This Calculator?
This electricity calculator uses Ohm's law and power formulas to calculate power, voltage, current, resistance, energy consumption, and electricity cost. It is designed for electrical engineers, students, electricians, and anyone working with electrical circuits.
Ohm's Law & Power Formulas
V = I × R | P = V × I | P = V² / R | P = I² × R
E = P × t | 料金 = E × レート
6 Calculation Types
力
P = V × I、P = V² / R、P = I² × R
電圧
V = P / I、V = I × R、V = √(P × R)
現在
I = P / V、I = V / R、I = √(P / R)
抵抗
R = V / I、R = V² / P、R = P / I²
エネルギー
E = P × t (秒、分、時間、日をサポート)
料金
Cost = Energy × Rate per kWh
使用方法
- Select a calculation type (Power, Voltage, Current, Resistance, Energy, or Cost).
- Choose the formula method based on the values you know.
- Enter your values and select appropriate units.
- Click Calculate to get results with step-by-step solutions and charts.
重要な注意事項
- All input values must be positive numbers.
- Resistance and divisor values must be greater than zero.
- 単位変換は自動的に処理されます。