Abridged style guide for Brazilian Portuguese

When translating, please do not copy the style of the source text. Please adhere to the style below and implement it consistently throughout the text even if the source is inconsistent or includes errors in style. The translation should read as naturally as possible—as if it were written in the target language.


Upper/lowercase letter after a colon:Lowercase, unless introducing a quotation
Figure in captions begins with upper/lowercase:Uppercase, Figura 1
Figure in running text begins with upper/lowercase:Uppercase, Figura 1
Labels in diagrams begin with upper/lowercase:Uppercase
Footnotes begin with upper/lowercase:Uppercase


Dash type (with spaces):Esquema ilustrativo – evaporador acumulador
Curved double (outer)/single (inner) quotation marks:“A Figura 9 foi registrada no modo ‘Econ’ … ”
Slashes without spaces:e/ou
Parentheses within parentheses:(hidrogênio [H2] e água)
Double hyphen when words break on the hyphen:ar-condicionado = ar-|-condicionado


Thousand separator:9.000; 260.000 m2
Decimal separator:2,4 ml
Exponents are superscript:100 m2
Atomic numbers in compounds are subscript:CO2
En dash for number ranges:30−75 kg​
Unit of measure with number ranges:115−130°C; 5−10%
Hyphen for minus signs:-52,2
No space between numbers and +:+14,2% BUT: 10 + 4
Nonbreaking space between numbers and >/<:> 50 km
No space between numbers and °C:32°C
No space between numbers and %:14,2%
The abbreviation for approximately:aprox.
The abbreviation for circa:cerca de
Currency code before or after the number:+53,8 milhões EUR
Short date [DD]/[MM]/[YYYY]:25/01/2021
Long date [D] de [month] de [YYYY]:25 de janeiro de 2021
Time of day [HH]h[mm]:21h30


In general, bulleted list items begin with a capital letter and do not end in a period, unless each item forms a complete sentence.

Note: Each list should be capitalized and punctuated consistently even if there is a mix of complete and incomplete sentences. If the list contains mostly incomplete sentences, then no item should end in a period.

Requisitos do radiador:

  • Alta densidade de potência
  • Solidez adequada
  • Resistência duradoura a corrosão
  • Baixo custo de fabricação
  • Produção sustentável