Kilocalorie to gigajoule converter (kcal to gj)

Conversion Formula

1 kcal = 4.18e-6 gj

Step-by-Step Explanation

1. Understand the base relationship:
   1 Kilocalorie = 4.18k joules
   1 Gigajoule = 1.00G joules
2. Establish the conversion factor:
   1 kcal = (4.18k J) / (1.00G J/gj) = 4.18e-6 gj
3. Apply the conversion:
   Multiply the value in kcal by 4.18e-6 to get the equivalent in gj

Example Conversion

Convert 5 kcal to gj:

5 kcal × 4.18e-6 = 2.09e-5 gj