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Arrhenius Equation Calculator
Rate constants vs temperature — one-point form or two-temperature form solving k₂, Ea or T₂.
Calculator
Results update as you type. Every step of the working is shown below.
Examples:
Result
Enter values above — the answer appears here instantly, with full working.
Formula used
k = A·e^(−Ea/RT) · ln(k₂/k₁) = −Ea/R(1/T₂ − 1/T₁)
Every result substitutes your values into this relation step by step above.
Assumptions
- Ea and A are temperature-independent over the range considered.
- Temperatures MUST be kelvin.