c

Definition : speed of light in vaccum
Category : Academic & Science » Physics
Country/Region : Worldwide Worldwide
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Symbol

What does c mean?

The speed of light in vacuum (c) is a fundamental physical constant.
The exact value of c is equal to 299,792,458 meters per second (m/s) or 299,792.458 kilometers per second (km/s). It is considered to be the fastest speed at which energy, matter, or information can travel in the universe.

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Worldwide C Carbon
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Worldwide C 100 (Roman numeral)
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Worldwide C See
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Worldwide c century
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Worldwide C Celsius
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Worldwide C C programming language
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Worldwide C Capacitance
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Worldwide C Coulomb
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Worldwide C Cytosine
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Worldwide c circa
[around]
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Worldwide C Charlie
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Worldwide C Complex numbers
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Worldwide C Compact
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Worldwide C Clear
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Frequently Asked Questions

What is the full form of c in Physics?

The full form of c is speed of light in vaccum

What are the full forms of c in Academic & Science?

Carbon | 100 (Roman numeral) | century | Celsius | speed of light in vaccum | Capacitance | Coulomb | circa | Charlie | Complex numbers

What are the full forms of c in Worldwide?

Carbon | 100 (Roman numeral) | See | century | Celsius | Compiler | C programming language | speed of light in vaccum | Capacitance | Coulomb | Cytosine | circa | Charlie | Complex numbers | Compact | Clear

Translation

Translate speed of light in vaccum into other languages

Citations Formatting rules vary by edition. Please verify against your required style manual.

APA Style

FullForms. (2026). c. FullForms.com. https://fullforms.com/c/full/25516

Chicago Style

FullForms. "c." Accessed June 4, 2026. https://fullforms.com/c/full/25516.

Harvard Style

FullForms (2026) 'c', FullForms.com. Available at: https://fullforms.com/c/full/25516 (Accessed: 04 June 2026).

MLA Style

"c." FullForms.com, 2026, https://fullforms.com/c/full/25516. Accessed 04 Jun. 2026.