Translation guide
The concept of parity covers equality, equivalence, or being on the same level. In Japanese, the best expression depends on whether you mean numerical equality, equal status, equal pay, or computing parity.
Expressing that two things are equal in status, value, or level, often in formal or economic contexts.
Means 'equality' or 'equivalence' in status, value, or level. Commonly used in formal and business contexts.
男女の賃金を同等にするべきだ。
We should make wages equal for men and women.
Means 'equality' in a broader sense, often used for social equality, fairness, and equal treatment.
すべての人は法の下に平等である。
All people are equal under the law.
Means 'evenly matched' or 'on par', often used in competitive contexts like sports or games.
両チームの実力は互角だ。
The two teams are evenly matched.
Expressing that numbers, amounts, or values are exactly equal.
An adjective meaning 'equal' in a mathematical or quantitative sense. Used for values, amounts, or conditions.
この二つの値は等しい。
These two values are equal.
Means 'identical' or 'the same', emphasizing exact sameness rather than just equality.
Referring to parity bits or parity checks in computing and data transmission.
The direct loanword for 'parity' in computing contexts. Used in terms like パリティビット (parity bit) and パリティチェック (parity check).
データ転送時にパリティチェックを行う。
Perform a parity check during data transfer.
Referring to the economic concept of purchasing power parity (PPP).
The standard term for 'purchasing power parity' in economics.
購買力平価で比較すると、その国の生活水準がわかる。
Comparing by purchasing power parity reveals the standard of living in that country.
同等 (dōtō) emphasizes equivalence in value, rank, or conditions, often used in formal or business settings. 平等 (byōdō) is broader and refers to equality in rights, opportunities, or treatment, often with a social justice nuance.
In everyday English, 'parity' is often used in phrases like 'reach parity' or 'achieve parity'. Direct translations like パリティに達する are unnatural outside technical fields. Use 同等になる or 追いつく (to catch up) instead.
両者の条件は同一である。
The conditions for both are identical.