Plutonium-239 Half-Life Calculator | Nuclear Decay Calculator

Calculate the decay rate and remaining quantity of Plutonium-239 (²³⁹Pu). Half-life of 24100 years. Free online calculator for nuclear decay calculations.

Plutonium-239 (²³⁹Pu)

Half-Life: 24100 years

Initial Quantity (N₀)

Half-Life (t₁/₂)

Time (t)

Calculate

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About Plutonium-239

Key fissile isotope used in nuclear weapons and power generation.

Applications

• Nuclear weapons
• Nuclear power
• Research reactors
• Space power systems

Decay Constants

λ = 0.000029

Decay constant in units of years⁻¹

τ = 34768.950485

Mean lifetime in years

Decay Formula

N(t) = N₀ × (1/2)^(t/24100)

Where:
N(t) = Quantity remaining at time t
N₀ = Initial quantity
t = Time in years

Related Elements

Carbon-14 Uranium-238 Iodine-131