Translation guide
The English phrase "rounding off" can refer to mathematical rounding of numbers, or to the act of completing or finishing something in a satisfying way. This guide covers both meanings with natural Japanese expressions.
To express the mathematical operation of rounding a number to a certain precision (e.g., rounding to the nearest whole number, rounding up/down).
The standard term for rounding numbers, specifically 'round half up' (4 or less rounds down, 5 or more rounds up). Often used as a noun or with する.
To express the idea of bringing an activity, event, or series to a satisfying conclusion, often with a final touch.
小数点以下を四捨五入してください。
Please round off the decimals.
この計算では四捨五入を使います。
We use rounding off in this calculation.
Means 'to round up' (always increase to the next digit). Used for rounding up numbers.
端数を切り上げて整数にしてください。
Round up the fraction to a whole number.
Means 'to round down' or 'truncate' (always drop the lower digits).
小数点以下は切り捨てます。
We round off (truncate) the decimals.
A more general term for 'rounding' a number, often used in computing or technical contexts. Can mean rounding to a specified number of digits.
数値を小数点第2位に丸める。
Round the number to two decimal places.
Means to bring something to a close, to wrap up, or to conclude in a satisfying way. Often used for events, speeches, or projects.
最後に一言で締めくくります。
I'll round off with a final word.
パーティーを歌で締めくくった。
We rounded off the party with a song.
Means to finish up, complete, or put the final touches on something. Often used for creative works or tasks.
最後の章を仕上げて、論文を完成させた。
I rounded off the last chapter and completed the thesis.
Means to bring something to a conclusion or completion, often used for stories, series, or processes.
そのドラマは感動的な最終回で完結させた。
The drama rounded off with a moving final episode.