Home Activation Energy Calculator Activation Energy Calculator Admin Activation Energy Calculator Activation Energy Calculator Temperature (T): Kelvins (K) Celsius (°C) Fahrenheit (°F) 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 Unit: Joules (J) Kilojoules (kJ) Megajoules (MJ) Calories (cal) Kilocalories (kcal) Activation Energy Newer Older