What context can I use each word in?
Learn when and how to use these words with these examples!
equation
Example
The equation 2x + 3 = 7 represents the relationship between x and 7.
Example
The quadratic equation is a second-degree polynomial equation.
Example
The ideal gas law equation relates pressure, volume, temperature, and the number of particles.
formula
Example
The formula for the area of a circle is A = πr^2.
Example
The formula for calculating the slope of a line is (y2 - y1) / (x2 - x1).
Example
The chemical formula for water is H2O.
Good things to know
Which word is more common?
Formula is more commonly used than equation in everyday language. Formula is versatile and covers a wide range of contexts, while equation is more specific and is mainly used in mathematics and science.
What’s the difference in the tone of formality between equation and formula?
Both equation and formula are formal terms used in technical fields. However, formula is more versatile and can be used in both formal and informal contexts, while equation is mainly used in formal settings.
