- 1760 = number of yards in a mile
- 2000 = pounds in a ton
- 4840 = number of square yards in an acre
- 640 = the number of acres in a square mile
- 1.732 = square root of 3
- 2.54 = the number of centimeters in an inch
- 3.1416 = approximation of pi
- 366 = days in a Leap Year
- 1492 = the year Columbus discovered America
- 1.414 = square root of 2
- 1728 = the number of cubic inches in one cubic foot
- 3-4-5 = smallest Pythagorean triple
- 6080 = number of feet in a nautical mile
- 62.5 = 5/8 expressed as a percent
- 90 = degrees in a right angle