Calculate Energy or Power for mechanical or electrical systems with multiple unit options.
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About Energy & Power

Energy is the capacity to do work. Power is the rate at which work is done or energy is transferred. This calculator allows you to compute either energy or power, given the other parameter and time.

How It Works

Using the formulas E = P × t and P = E ÷ t, the calculator converts your inputs into consistent SI units, computes the result, and displays it in your chosen unit.

Practical Advice

Always ensure your units are consistent. For example, if power is in hp, it will be converted to Watts. For time, you can enter seconds, minutes, or hours.

FAQs

Can I calculate both Energy and Power? Yes, select the desired calculation at the top.
Does it support multiple units? Yes, you can choose between W/hp for power, s/min/h for time, and J/kWh for energy.
Is this exact? The calculation is precise, but real-world conditions may vary.