Conversion of Units from One System to Another System | Famous Books for UPSC Exam (Summary & Tests) PDF Download

Length Conversion

Inches to Centimeters

• To convert inches to centimeters, multiply the inch value by 2.54. For instance, 1 inch is equivalent to 2.54 centimeters.

Feet to Meters

• When converting feet to meters, multiply the feet measurement by 0.3. As an example, 1 foot is approximately 0.3 meters.

Yards to Meters

• To convert yards to meters, multiply the yard value by 0.91. For instance, 1 yard is approximately 0.91 meters.

Miles to Kilometers

• When converting miles to kilometers, multiply the mile measurement by 1.60. As an example, 1 mile is approximately 1.60 kilometers.

Fathoms to Meters

• To convert fathoms to meters, multiply the fathom value by 1.8. For instance, 1 fathom is approximately 1.8 meters.

Chains to Meters

• When converting chains to meters, multiply the chain measurement by 20.11. As an example, 1 chain is approximately 20.11 meters.

Nautical Miles to Meters

• To convert nautical miles to meters, multiply the nautical mile value by 1.85. For instance, 1 nautical mile is approximately 1.85 meters.

Angstroms to Meters

• When converting angstroms to meters, multiply the angstrom value by 10^-10. For example, 1 angstrom is equivalent to 10^-10 meters.

Square Inches to Square Centimeters

• To convert square inches to square centimeters, multiply the square inch value by 6.45. For example, 1 square inch is approximately 6.45 square centimeters.

Square Feet to Square Meters

• When converting square feet to square meters, multiply the square foot measurement by 0.09. As an example, 1 square foot is approximately 0.09 square meters.

Square Yards to Square Meters

• To convert square yards to square meters, multiply the square yard value by 0.83. For instance, 1 square yard is approximately 0.83 square meters.

Square Miles to Square Kilometers

• When converting square miles to square kilometers, multiply the square mile measurement by 2.58. As an example, 1 square mile is approximately 2.58 square kilometers.

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Weight and Force Conversion

Grains to Milligrams

• To convert grains to milligrams, multiply the grain value by 64.8. For instance, 1 grain is approximately 64.8 milligrams.

Drams to Grams

• When converting drams to grams, multiply the dram measurement by 1.77. As an example, 1 dram is approximately 1.77 grams.

Ounces to Kilograms

• To convert ounces to kilograms, multiply the ounce value by 28.35. For instance, 1 ounce is approximately 28.35 kilograms.

Pounds to Kilograms

• When converting pounds to kilograms, multiply the pound measurement by 0.4537. As an example, 1 pound is approximately 0.4537 kilograms.

Dynes to Newtons

• To convert dynes to newtons, multiply the dyne value by 10^-5. For instance, 1 dyne is equivalent to 10^-5 newtons.

Poundals to Newtons

• When converting poundals to newtons, multiply the poundal measurement by 0.1383. As an example, 1 poundal is approximately 0.1383 newtons.

Ergs to Joules

• To convert ergs to joules, multiply the erg value by 10^-7. For instance, 1 erg is equivalent to 10^-7 joules.

Horsepower to Watts

• When converting horsepower to watts, multiply the horsepower value by 747. As an example, 1 horsepower is approximately 747 watts.

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Temperature Conversion

Centigrade to Fahrenheit

• To convert Centigrade to Fahrenheit, use the formula °F = (°C × 9/5) + 32. For example, 370°C is equivalent to 98.6°F.

Fahrenheit to Centigrade

• When converting Fahrenheit to Centigrade, use the formula °C = (°F - 32) × 5/9. For example, 320°F is approximately 00°C.

Centigrade to Fahrenheit (Extreme Conversion)

• To convert temperatures from Centigrade to Fahrenheit or vice versa when dealing with extreme values, use the following guidelines:
• For temperatures below -400°F, the equivalent in Centigrade is below -400°C.
• For temperatures above 500°C, the equivalent in Fahrenheit is above 122°F.

Volume Conversion

Cubic Inches to Cubic Centimeters

• To convert cubic inches to cubic centimeters, multiply the cubic inch value by 16.38. For example, 1 cubic inch is approximately 16.38 cubic centimeters.

Cubic Feet to Cubic Meters

• When converting cubic feet to cubic meters, multiply the cubic foot measurement by 0.028. As an example, 1 cubic foot is approximately 0.028 cubic meters.

Cubic Yards to Cubic Meters

• To convert cubic yards to cubic meters, multiply the cubic yard value by 0.7. For instance, 1 cubic yard is approximately 0.7 cubic meters.

Liters to Cubic Centimeters

• When converting liters to cubic centimeters, multiply the liter value by 1000. As an example, 1 liter is equivalent to 1000 cubic centimeters.

Pints to Liters

• To convert pints to liters, multiply the pint value by 0.56. For instance, 1 pint is approximately 0.56 liters.