--- /dev/null
+# number-max-precision
+
+Limit the number of decimal places allowed in numbers.
+
+```css
+a { top: 3.245634px; }
+/** ↑
+ * These decimal places */
+```
+
+## Options
+
+`int`: Maximum number of decimal places allowed.
+
+For example, with `2`:
+
+The following patterns are considered violations:
+
+```css
+a { top: 3.245px; }
+```
+
+```css
+a { top: 3.245634px; }
+```
+
+```css
+@media (min-width: 3.234em) {}
+```
+
+The following patterns are *not* considered violations:
+
+```css
+a { top: 3.24px; }
+```
+
+```css
+@media (min-width: 3.23em) {}
+```
+
+## Optional secondary options
+
+### `ignoreUnits: ["/regex/", "string"]`
+
+Ignore the precision of numbers for values with the specified units.
+
+For example, with `2`.
+
+Given:
+
+```js
+["/^my-/", "%"]
+```
+
+The following patterns are considered violations:
+
+```css
+a { top: 3.245px; }
+```
+
+```css
+a { top: 3.245634px; }
+```
+
+```css
+@media (min-width: 3.234em) {}
+```
+
+The following patterns are *not* considered violations:
+
+```css
+a { top: 3.245%; }
+```
+
+```css
+@media (min-width: 3.23em) {}
+```
+
+```css
+a {
+ width: 10.5432%;
+}
+```
+
+```css
+a { top: 3.245my-unit; }
+```
+
+```css
+a {
+ width: 10.989my-other-unit;
+}
+```