How do I convert kcal to cal?

Use the formula shown above or enter a value to see kcal converted to cal instantly.

What is the formula for kcal to cal?

The converter calculates cal by applying the category-specific conversion factor for Energy.

When should I use kcal vs cal?

kcal and cal are both part of the Energy category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Energy Conversion Guide

Convert kcal to cal

Use the live converter below to translate between Kilocalorie (food) (kcal) and Calorie (cal). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

kcal → cal

Kilocalorie (food)

kcal

Calorie

1,000

cal

Rounded result (4 decimals max)

Formula

1 kcal = 1,000 cal

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from cal to kcal.

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kcal to cal quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Kilocalorie (food) (kcal)	Calorie (cal)
0.25 kcal	250 cal
0.5 kcal	500 cal
1 kcal	1,000 cal
2 kcal	2,000 cal
5 kcal	5,000 cal
10 kcal	10,000 cal
25 kcal	25,000 cal
100 kcal	100,000 cal

cal back to kcal

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Calorie (cal)	Kilocalorie (food) (kcal)
0.25 cal	0.0003 kcal
0.5 cal	0.0005 kcal
1 cal	0.001 kcal
2 cal	0.002 kcal
5 cal	0.005 kcal
10 cal	0.01 kcal
25 cal	0.025 kcal
100 cal	0.1 kcal

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