Americium-241 Half-Life Calculator | Nuclear Decay Calculator

Calculate the decay rate and remaining quantity of Americium-241 (²⁴¹Am). Half-life of 432.2 years. Free online calculator for nuclear decay calculations.

Americium-241 (²⁴¹Am)

Half-Life: 432.2 years

Initial Quantity (N₀)

Half-Life (t₁/₂)

Time (t)

Calculate

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About Americium-241

Commonly used in smoke detectors and industrial gauging devices.

Applications

• Smoke detectors
• Industrial gauging
• Oil well logging
• Medical source preparation

Decay Constants

λ = 0.001604

Decay constant in units of years⁻¹

τ = 623.532797

Mean lifetime in years

Decay Formula

N(t) = N₀ × (1/2)^(t/432.2)

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

Related Elements

Carbon-14 Uranium-238 Iodine-131