Translation guide
The English word "equivalent" is used to express that something is equal in value, amount, function, or meaning to something else. In Japanese, there is no single word that covers all uses. The best choice depends on whether you are talking about mathematical equivalence, functional equivalence, approximate equivalence, or something being "tantamount to" something else.
Expressing that two things are the same in value, quantity, significance, or meaning, often in formal or technical contexts.
The most direct and common translation for "equivalent" when referring to equal value, rank, or status. Often used in formal, business, or technical contexts.
この資格は学士号と同等とみなされます。
This qualification is considered equivalent to a bachelor's degree.
Specifically means "equivalent in value" or "of equal worth." Used in economics, mathematics, and science.
これらの商品は等価で交換できます。
These items can be exchanged for items of equivalent value.
Means "equivalent in meaning" or "synonymous." Used when discussing words, concepts, or statements.
この文脈では、二つの表現は同義です。
In this context, the two expressions are equivalent.
Often used as a suffix or adjective meaning "corresponding to" or "equivalent to." Can also mean "considerable" or "substantial" when used alone, so context is important.
この仕事にはそれに相当する報酬が支払われます。
You will be paid an equivalent amount for this work.
Saying that something serves the same purpose or produces the same result as something else.
A versatile pattern meaning "corresponds to" or "is equivalent to." Used for roles, positions, or functions.
日本の首相はアメリカの大統領に相当します。
The Japanese prime minister is equivalent to the American president.
Literally "fulfills the same role as." A clear way to express functional equivalence.
このツールは従来の方法と同じ役割を果たします。
This tool is equivalent to the traditional method in function.
Indicating that something is roughly equivalent, often in everyday comparisons.
Means "to rival" or "to be comparable to." Used for quality, ability, or magnitude, often with a nuance of being impressive.
彼の才能はプロに匹敵する。
His talent is equivalent to that of a professional.
Used as a suffix meaning "practically the same as" or "tantamount to." Often carries a negative or emphatic nuance.
そんなことをするのは自殺同然だ。
Doing that is equivalent to suicide.
Expressing exact equivalence in equations, logic, or scientific contexts.
The standard adjective for "equal" in mathematics and logic. Often used in the form AはBに等しい (A equals B).
この方程式では、xはyに等しい。
In this equation, x is equivalent to y.
A technical term in mathematics and logic meaning "equivalence" or "having the same truth value."
The katakana word イクイバレント is rarely used and sounds unnatural. Always choose a Japanese word or phrase based on the specific meaning.
同等 (どうとう) is the most general for equal status or rank. 等価 (とうか) is strictly for equal value, often monetary. 相当 (そうとう) is often used in the pattern ～に相当する to mean "corresponds to" and can also mean "considerable" when used as an adjective (e.g., 相当な努力, considerable effort).
These propositions are equivalent.