100 degrees Fahrenheit is the same as 37.78 degrees in Celsius. Converting imperial to metric units is always a challenge, but as long as you know the formula, manually converting Fahrenheit to Celsius and vice versa is a cinch.

One gallon is equal to 3,785.41 milliliters. This figure shows that in order to convert gallons to milliliters, you need to take the gallon figure and multiply it by 3,785.41, which is known as the conversion factor.

60 inches isn’t too hard to guess. It’s only five feet or 2-2/3 yards tall. For some countries other than the United States, 60 inches is the same as 1.52 meters.

Something that measures 20 inches is equal to 1-3/4 feet and 0.56 yards. Using the metric system, 20 inches is the same as 50.8 centimeters.

A 40-inch-tall object measures 3-1/3 feet or slightly taller than a yard. Using the metric system, 40 inches is the same as 1.02 meters.

If you need to understand how tall 4 feet is without getting hold of a measuring tool such as a tape measure or a ruler, it can be useful to know what common objects are 4 feet tall so that you can use these as a guide or comparison.

40 feet is the equivalent of 480 inches and 33-1/3 yards. In metric terms, that’s a sliver under 12.2 meters.

If you need to find out how tall 3 feet is without using a tool intended for measuring, you can instead use common objects and other things which we know to be approximately 3 feet and use them as a means of comparison.

1,000 feet equals 12,000 inches, which is the same as 333-1/3 yards. In metric terms, 1,000 feet would be the same as 304.8 meters.

Measuring 1,000 feet is no mean feat. A single tape measure can only reach about 100 feet, so you would need ten of them to reach the 1,000-foot mark. As for laser tape measures, you might have to spring for a professional-grade tool to measure 1,000 feet.

100 meters would equal roughly 109.361 yards. To determine how many yards are in a single meter, all you need to do is multiply the number of meters by 1.09361.

If you need a measure of 25 feet and don’t have a measuring tape handy, it could be a tough number to estimate. Twenty-five feet is equivalent to 7.62 meters or 762cms or 300 inches.

Fourteen inches is around 36 centimeters in length or a little over one foot. It might be annoying when you need to know the dimensions of something but don’t have a ruler or a measuring instrument. Here, we have rounded off the eight things 14 inches long you can use to measure things around you.