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Metric Pyramid Description

This is a pattern that can be printed, cut out, folded, and taped in the shape of a pyramid. Printed on each side are the metric equivalents for common customary measurements. The measurement conversions listed on the pyramid are:

Length: 1 inch equals 25.4 millimeters; 1 inch equals 2.54 centimeters; 1 foot equals 0.3048 meter; 1 yard equals 0.9144 meter; 1 mile is approximately equal to 1.6 kilometers.

Mass or weight: 1 ounce is approximately equal to 28 grams; 1 pound is approximately equal to 0.45 kilogram; a short ton (2,000 pounds) equals 0.9 ton.

Area or surface: 1 square inch is approximately equal to 645 square millimeters; 1 square foot is approximately equal to 0.093 cubic meter; 1 square yard is approximately equal to 0.84 square meter; 1 square mile is approximately equal to 2.59 square kilometers; 1 acre is approximately equal to 4047 square meters; 1 acre is approximately equal to 0.004 square kilometer.

Energy: 1 BTU (60 degrees Fahrenheit) is approximately equal to 1055 joules; 1 calorie (15 degrees Celsius) is approximately equal to 4.19 joules; 1 kilowatt hour equals 3.6 times 10 to the 6 joules.

Volume: 1 teaspoon equals 5 milliliters; 1 tablespoon equals 15 milliliters; 1 cup (8 ounces) is approximately equal to 0.24 liter; 1 quart (32 ounces) is approximately equal to 0.95 liter; 1 cubic foot is approximately equal to 0.028 cubic meter; 1 cubic yard is approximately equal to 0.76 cubic meter.

Temperature: Celsius equals 5 divided by 9 multiplied by the remainder of the degrees in Fahrenheit minus 32; Fahrenheit equals 9 divided 5 multiplied by the sum of the degrees in Celsius plus 32.

Metric symbols: millimeter = lower case mm; centimeter = lower case cm; meter = lower case m; square meter = lower case m superscript 2; cubic meter = lower case m superscript 3; kilometer = lower case km; gram = lower case g; kilogram = lower case kg; metric ton = lower case t; milliliter = lower case m capital L; liter = capital L; joule = capital J.

Back to Metric Facts

Created: July 3, 2001
Last updated: 3-27-2012
Contact: inquiries@nist.gov

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