| About 32 laps in many pools | 27 |
| About 32 million sq. mi. of water | 33 |
| About 33.8 fluid ounces | 23 |
| About 35 ounces | 15 |
| About 35.3 cubic feet | 21 |
| About 36 pounds, in Pinsk | 25 |
| About 38 grams | 14 |
| About 39 inches | 15 |
| About 39 inches in England | 26 |
| About 39 inches in Soho | 23 |
| About 39 inches, in England | 27 |
| About 4 million Americans, religiously | 38 |
| About 4 p.m. in Britain | 23 |
| About 4% of a fifth | 19 |
| About 4% of a marathon | 22 |
| About 4% of whole milk | 22 |
| About 4,000 miles of an above-average construction? | 51 |
| About 4,047 square meters | 25 |
| About 4,050 square meters | 25 |
| About 40 degrees, for N.Y.C. | 28 |
| About 40% of all insect species | 31 |
| About 40-60 beats per minute | 28 |
| About 5 mL | 10 |
| About 5 ml. | 11 |
| About 5% of Europe | 18 |
| About 5.5 million Europeans | 27 |
| About 5.88 trillion mi. | 23 |
| About 5.88 trillion miles | 25 |
| About 5.9 trillion mi. | 22 |
| About 5/8 mi. | 13 |
| About 5/8 of a mi. | 18 |
| About 50% of calls | 18 |
| About 500 sheets of paper | 25 |
| About 525 trillion minutes, in astronomy | 40 |
| About 57 degrees, mathematically | 32 |
| About 57% of American college students | 38 |
| About 5:00, on a compass | 24 |
| About 6 trillion mi. | 20 |
| About 6,080 feet | 16 |
| About 6.2 mi. | 13 |
| About 6.5% of the Earth's land | 34 |
| About 60 liters of watery domestic, typically | 45 |
| About 60 percent of us | 22 |
| About 60% of the world's inhabitants | 40 |
| About 60% of the world's population | 39 |
| About 600 miles of underground passages near Rome | 49 |
| About 624 billion electron-volts | 32 |
| About 640 acres: Abbr. | 22 |
| About 66 degrees south latitude | 31 |
| About 687 Martian days | 22 |
| About 7 cm long, like nails sold in hardware stores | 51 |
| About 7% of it is American | 26 |
| About 7% of the United States | 29 |
| About 70 percent of Earth's surface | 39 |
| About 70 percent of the earth's surface | 43 |
| About 70 percent of the globe | 29 |
| About 71% of the earth's surface | 36 |
| About 75 percent, in school | 27 |
| About 75% of the earth's surface | 36 |
| About 78 percent of our atmosphere | 34 |
| About 8 percent of earth's crust | 36 |
| About 8,760 hours | 17 |
| About 8-15 mg. of iron, say | 27 |
| About 8.8 liters | 16 |
| About 87 qts. of cranberries | 28 |
| About 877,000 hrs. | 18 |
| About 9,900 square miles of water | 33 |
| About 9.46 trillion km | 22 |
| About 90% of cotton fiber | 25 |
| About 90% of its land is owned communally | 41 |
| About 90% of people have one | 28 |
| About 907 kilograms | 19 |
| About 907 kilos | 15 |
| About 91 yards of a football field | 34 |
| About 98 degrees Fahrenheit? | 28 |
| About a 62 | 10 |
| About a billion years | 21 |
| About a drop | 12 |
| About a fifth of Earth's land area | 38 |
| About a kilogram of mixer | 25 |
| About a mixture | 15 |
| About a month, for a fruit fly | 30 |
| About a quart | 13 |
| About a quart, in England | 25 |
| About a quart, in London | 24 |
| About a quarter of a cord | 25 |
| About a quarter of the population of Sicily lives on its slopes | 63 |
| About a sixth of all Iraqis | 27 |
| About a third of Earth's land mass | 38 |
| About a third of Earth's landmass | 37 |
| About a third of the alphabet | 29 |
| About a third of the world's land mass | 42 |
| About a yard in the Southwest | 29 |
| About a yard, at Scotland Yard | 30 |
| About aircraft | 14 |
| About airplanes | 15 |
| About as expected | 17 |
| About as high on the organization chart | 39 |
| About aviation | 14 |
| About beginning | 15 |