Kilocalorie to Calorie (IT) Converter

Energy Converter

27 units available

Decimals:

From

To

999.331231

1 kcal = 999.331231 cal (IT)

Formula:

cal (IT) = kcal × 999.3312314894

With your value: 1 kcal = 999.33123149 cal (IT)

How big is that?

Everyday references on a logarithmic scale, all expressed in kilocalorie so you can sanity-check the result.

Heartbeat (1/4.2e+3 your value)0.000239 kcal

Your value1.00 kcal

AA battery charge (2.4× your value)2.39 kcal

Slice of bread (67× your value)66.9 kcal

Daily food intake (2.0e+3× your value)2.01e+3 kcal

Litre of petrol (8.2e+3× your value)8.17e+3 kcal

Other Kilocalorie to Calorie (IT) conversions

2 kcal to cal (IT)3 kcal to cal (IT)4 kcal to cal (IT)5 kcal to cal (IT)6 kcal to cal (IT)7 kcal to cal (IT)8 kcal to cal (IT)

Kilocalorie to Calorie (IT) Conversion Table

Kilocalorie (kcal)	Calorie (IT) (cal (IT))
0.5	499.665616
1	999.331231
2	1,998.662463
5	4,996.656157
10	9,993.312315
15	14,989.968472
20	19,986.62463
25	24,983.280787
50	49,966.561574
100	99,933.123149
250	249,832.807872
500	499,665.615745
1000	999,331.231489

Calorie (IT) to Kilocalorie Conversion Table

Calorie (IT) (cal (IT))	Kilocalorie (kcal)
0.5	0.0005
1	0.001001
2	0.002001
5	0.005003
10	0.010007
15	0.01501
20	0.020013
25	0.025017
50	0.050033
100	0.100067
250	0.250167
500	0.500335
1000	1.000669

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilocalorie (kcal)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Calorie (IT) (cal (IT))

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Kilocalorie to Calorie (IT)

To convert from Kilocalorie (kcal) to Calorie (IT) (cal (IT)), multiply the value by 999.3312314894.

Formula: cal (IT) = kcal × 999.3312314894

Reverse: kcal = cal (IT) × 0.0010006692

Step-by-Step Example

Start with your value in Kilocalorie. For example: 5 kcal
Multiply by the conversion factor: 5 x 999.3312314894
The result is: 4,996.656157 cal (IT)

About Kilocalorie

The kilocalorie (food Calorie) equals 1,000 calories or 4,184 joules. It is the standard unit for food energy content.

Common uses: nutrition, diet, food labeling.

About Calorie (IT)

The calorie (it) (cal (IT)) is a unit of energy and work. One calorie (it) equals 4.1868 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Calorie (IT) are in 1 Kilocalorie?

There are exactly 999.3312314894 Calorie (IT) in 1 Kilocalorie. This means the conversion factor from Kilocalorie to Calorie (IT) is 999.3312314894.

What is the formula to convert Kilocalorie to Calorie (IT)?

The formula to convert Kilocalorie to Calorie (IT) is: cal (IT) = kcal × 999.3312314894. For example, to convert 10 Kilocalorie to Calorie (IT), you would multiply 10 by 999.3312314894.

What is a Kilocalorie?