Energy conversions use Result = Value × (from-unit → joules) ÷ (to-unit → joules), based on standard published conversion factors.
1 kilocalorie to joules: 1 × 4184 = 4,184 J.
Joules, kilocalories, kilowatt-hours, and calories, all converted through a common joules base unit.
Conversion factors for joules-based units follow standard published values; the result is rounded to two decimal places for display.