## Conversion formula

The conversion factor from miles to millimeters is 1609344, which means that 1 mile is equal to 1609344 millimeters:

1 mi = 1609344 mm

To convert 304 miles into millimeters we have to multiply 304 by the conversion factor in order to get the length amount from miles to millimeters. We can also form a simple proportion to calculate the result:

1 mi → 1609344 mm

304 mi → L(mm)

Solve the above proportion to obtain the length L in millimeters:

L(mm) = 304 mi × 1609344 mm

L(mm) = 489240576 mm

The final result is:

304 mi → 489240576 mm

We conclude that 304 miles is equivalent to 489240576 millimeters:

304 miles = 489240576 millimeters

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 2.0439841849912E-9 × 304 miles.

Another way is saying that 304 miles is equal to 1 ÷ 2.0439841849912E-9 millimeters.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred four miles is approximately four hundred eighty-nine million two hundred forty thousand five hundred seventy-six millimeters:

304 mi ≅ 489240576 mm

An alternative is also that one millimeter is approximately zero times three hundred four miles.

## Conversion table

### miles to millimeters chart

For quick reference purposes, below is the conversion table you can use to convert from miles to millimeters

miles (mi) millimeters (mm)
305 miles 490849920 millimeters
306 miles 492459264 millimeters
307 miles 494068608 millimeters
308 miles 495677952 millimeters
309 miles 497287296 millimeters
310 miles 498896640 millimeters
311 miles 500505984 millimeters
312 miles 502115328 millimeters
313 miles 503724672 millimeters
314 miles 505334016 millimeters