1000000000000 in French
un billion
Spellings verified June 2026 · page updated 2 October 2026
English trillion (10^12)
“One trillion in French” is un billion, the number 1,000,000,000,000. Hear it spoken below.
NUMERAL
1 000 000 000 000
FRENCH
un billion
IPA
/œ̃ bil.jɔ̃/
Breakdown
Real sentence examples
“L'univers a environ treize milliards huit cents millions d'années.”
“La dette nationale américaine dépasse trente-cinq billions de dollars (long-scale FR).”
Pronunciation and morphology notes
Un billion in French = 10^12 (a million millions) in long-scale convention. Equals English trillion. Often replaced by "mille milliards" in modern French to avoid confusion with English billion (which is the French milliard).
Frequently asked questions
How do you say one trillion (1000000000000) in French?
One trillion in French is "un billion" (the number 1,000,000,000,000). It is built as 10^12 = 1 billion (long-scale FR; English trillion).
How is un billion (1000000000000) pronounced in French?
In the International Phonetic Alphabet, "un billion" is transcribed /œ̃ bil.jɔ̃/. Use the audio button on this page to hear the standard French pronunciation.
How is 1000000000000 used in a French sentence?
A natural example is: "L'univers a environ treize milliards huit cents millions d'années."
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