Home Activation Energy Calculator Activation Energy Calculator Admin Activation Energy Calculator Activation Energy Calculator Temperature (T): Celsius (°C) Fahrenheit (°F) Kelvin (K) Reaction Rate Coefficient (k): second (sec) minute (min) hour (hr) day (day) week (wk) month (mo) year (yr) Frequency Factor (A): second (sec) minute (min) hour (hr) day (day) week (wk) month (mo) year (yr) Activation Energy (Ea) Unit: joules (J)/mol kilojoules (kJ)/mol megajoules (MJ)/mol calories (cal)/mol kilocalories (kcal)/mol Calculate Clear Result Newer Older