Cool MateAccuracy vs Precision
When to use each in English, with meaning, register, and examples.
Accuracy
Top 1,000 (very common)B2noun
Precision
FormalTop 3,000 (common)C1noun
Most formal: PrecisionMost common: Accuracy
| Accuracy | Precision | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈækjərəsi/"]/🇺🇸 /["/ˈækjərəsi/"]/ | 🇬🇧 /["/prɪˈsɪʒn/"]/🇺🇸 /["/prɪˈsɪʒn/"]/ |
| Meaning | How correct or exact something is. | The quality of being exact or accurate. |
| Example | The accuracy of the data is crucial for making informed decisions. | The engineer adjusted the machine to improve its precision in cutting materials. |
| Register | Neutral | Formal |
| How common | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B2 | C1 |
| Part of speech | noun | noun |
| Collocations | absolute, complete, deadly, degree, level, achieve, improve, increase, with accuracy | absolute, deadly, perfect, degree, call for, demand, require, engineering, instrument, tool, with precision, precision in, a lack of precision |
| Antonyms | inaccuracy, falsehood | imprecision, vagueness, ambiguity |
| Common mistakes | 'Accurate' instead of 'accuracy' — confusing the adjective with the noun, Using 'accuracy' in informal contexts where 'exactness' may be more appropriate, Mixing up 'accuracy' and 'precision' — they are related but not the same | Confused with 'accuracy' — precision focuses on exactness, while accuracy relates to how close something is to a true value., Omitting necessary prepositions — remember to use 'in', 'of', or 'for' with 'precision'., Using 'precise' when 'precision' is needed — 'precision' is a noun, 'precise' is the adjective form. |
| Usage notes | Use 'accuracy' in contexts where you discuss precision or correctness in data, measurements, or tasks. More formal in scientific settings, but acceptable in everyday situations too. | Use 'precision' in formal writing and discussions, especially in science or engineering contexts. Avoid using it in casual settings where simpler words like 'exactness' can suffice. |
Frequently asked questions: Accuracy vs Precision
What's the difference between Accuracy and Precision?
Accuracy: How correct or exact something is. Precision: The quality of being exact or accurate.
Which is more formal: Accuracy and Precision?
Precision is the most formal of these.
Which is more common: Accuracy and Precision?
Accuracy is the most common in everyday English.
Are Accuracy and Precision the same CEFR level?
Accuracy: B2, Precision: C1 on the CEFR scale.
Can I use Accuracy and Precision interchangeably?
Not always. Accuracy and Precision are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.