Convert 1 Calorie per Day to Kilocalorie per Day

1 Cal/day (Calorie per Day) is equal to 0.001 kcal/day (Kilocalorie per Day). To convert from Calorie per Day to Kilocalorie per Day, multiply by 0.001 or divide by 1,000.

• 1 Cal/day × 0.001 = 0.001 kcal/day
• 1 Cal/day ÷ 1000 = 0.001 kcal/day