kcal to cal Converter - Kilocalorie to Calorie

Kilocalorie (kcal) to Calorie (cal)

Direct answer

1 kcal = 1,000 cal

cal = kcal × 1,000

Converter

Input

kcal

Result

1,000cal

cal = kcal × 1,000

kcal = cal × 0.001

Example: 10 kcal = 10 × 1,000 = 10,000 cal.

Express both kcal and cal in the same base unit J (joule), then cancel the shared base unit.

1
Rewrite kcal in the base unit
$1 kcal = 4, 184 J$
2
Rewrite cal in the base unit
$1 cal = 4.184 J$
3
Forward conversion
$1 kcal = \frac{4 , 184 J}{4.184 J} \times 1 cal = \frac{4 , 184}{4.184} cal = 1, 000 cal$
4
Reverse conversion
$1 cal = \frac{4.184 J}{4 , 184 J} \times 1 kcal = \frac{4.184}{4 , 184} kcal = 0.001 kcal$

A guarded explanation for this pair page covering definition, principle, assumptions, and cautions.

Guarded output

AI text is for interpretation only. The page calculator remains the source of truth for numeric results.

1 kcal = 1,000 cal.

10 kcal = 10,000 cal.

100 kcal = 100,000 cal.

Use cal = kcal × 1,000.

1 cal = 0.001 kcal.

Use the conversion factor and round the result to the precision required by your calculation.