# miscalculation

/mɪˈskæɫkjəˈɫeɪʃən/ (US) · /mɪskˌælkjʊlˈeɪʃən/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/miscalculation
Updated: 2026-10-18

## Definition

a mistake in numbers or in judging what will happen. You use it when your plan goes wrong because you counted or guessed badly.

For teachers: an error in calculation or judgment that produces a wrong result or failed plan. Extends from arithmetic mistakes to broader errors in assessing a situation.

## Examples

- A small miscalculation makes the cake too sweet.
- The builders ordered too little paint because of a miscalculation in the measurements.
- The campaign's early confidence rested on a serious miscalculation about voter turnout in rural districts.

## Synonyms

error, mistake, misjudgment

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.