โ˜ข NuclearTools
Calculators / Guides

Nuclear Energy Guides

Five plain-English explainers behind the calculators โ€” half-life, radiation units, energy density, reactor power and the fuel cycle.

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What Is a Half-Life?

The complete guide to radioactive decay, half-life maths and why some isotopes outlast civilisations.

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Sievert vs Rem vs Gray

Radiation dose units explained, and how to tell a trivial exposure from a serious one.

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Nuclear vs Fossil Fuel Energy Density

Why a kilogram of uranium outperforms tonnes of coal, oil and gas โ€” the physics behind the numbers.

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MWth vs MWe Explained

How a reactor's thermal power becomes the electricity that reaches the grid, and why capacity factor matters so much.

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Uranium Enrichment Explained

From mined ore to reactor-ready fuel โ€” what enrichment does, and why SWU is the unit that prices it.

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