Here are a few conversions which could be useful to someone, you never know. The ones shown are those that could be applicable to aquarists, maybe!

**To find volume.**

Multiply length by breadth by height. (If finding the water space volume of an aquarium it is more accurate to measure from the water level. It must also be remembered that volume will be taken up by rocks and sand.)

Cubic inches to cubic centimeters – multiply by 16.3871

Cubic feet to cubic meters – multiply by 0.0283

Cubic centimeters to cubic inches – multiply by 0.061

Cubic meters to cubic feet multiply by 35.315

**Converting Centigrade to Fahrenheit.**

**C F
**24 75.2

25 77 (the temperature many aquarists use)

26 78.8

27 80.6

**Length.**

(10 millimeters = 1 centimeter)

(1 inch = 2.5 centimeters)

Inches to millimeters – multiply by 25.4

Feet to meters – multiply by 0.3048

Millimeters to inches – multiply by 0.0394

Meters to feet – multiply by 3.2808

**Area.**

To find area multiply length by width.

Square inches to square centimeters – multiply by 6.4516

Square feet to square meters – multiply by 0.0929

Square centimeters to square inches – multiply by 0.155

Square meters to square feet – multiply by 10.764

**Capacity.**

UK fluid ounces to liters – multiply by 0.0284

US fluid ounces to liters – multiply by 0.0296

UK pints to liters – multiply by 0.5682

US pints to liters – multiply by 0.4732

UK gallons to liters – multiply by 4.546

US gallons to liters – multiply by 3.7854

Liters to UK fluid ounces – multiply by 35.1961

Liters to US fluid ounces – multiply by 33.8150

Liters to UK pints – multiply by 1.7598

Liters to US pints – multiply by 2.1134

Liters to UK gallons – multiply by 0.2199

Liters to US gallons – multiply by 0.2642

**Weight.**

Ounces to grams – multiply by 28.3495

Pounds to kilograms – multiply by 0.4536

Grams to ounces – multiply by 0.0353

Kilograms to pounds – multiply by 2.2046

(Reference: The Chambers Dictionary)

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