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Future Pets' Pond Manual
Measurements & Conversions



conversionsPond keeping, aquarium maintenance, pet medications, and many other pet care activities require that you know the equivalents of US or metric standard measurements. This chart will make converting simple.

Metric/English Equivalents:

1 milliliter 0.03382 fluid ounce
1 fluid ounce 29.57 milliliters
1 liter 1.0568 quarts
1 quart 0.94625 liter
1 liter 0.2642 gallon
1 gallon 3.7853 liters
1 gram 0.03527 ounce
1 ounce 28.3495 grams
1 kilogram 2.20462 pounds
1 pound 453.5924 grams

Metric/English Equivalents:

1 centimeter 0.394 inch
1 inch 2.540 centimeters
1 meter 3.2808 feet
10 millimeters 1 centimeter
100 centimeters 1 meter
1000 millimeters 1 meter
1000 milliliters 1 liter
1000 milligrams 1 gram
1000 grams 1 kilogram
1 decagram 10 grams
1 decigram 1/10 gram
Milligrams per Liter (Mg/L) Parts per million (ppm)
25 microns .001 inch
254,000 angstroms .001 inch

Equivalent units of weight and volume:

16 dry ounces 1 pound
8 fluid ounces 1 cup
16 fluid ounces 1 pint
32 fluid ounces 1 quart
64 fluid ounces ½ gallon
128 fluid ounces 1 gallon
2 cups 1 pint
2 pints 1 quart
4 quarts 1 gallon
1 gallon 231 cubic inches
1 gallon water 8.35 pounds
7.48 gallons 1 cubic foot

Approximate Metric/English Equivalents – Liquid Measure

1892 milliliters 64 fluid ounces     1/2 gallon
1656 milliliters 56 fluid ounces    
1419 milliliters 48 fluid ounces      
946 milliliters 32 fluid ounces     1 quart
710 milliliters 24 fluid ounces      
473 milliliters 16 fluid ounces   454 grams  2 cups
237 milliliters 8 fluid ounces   227 grams  1 cup
29.57 milliliters 1 fluid ounce (oz)   28.4 grams  
4.92 milliliters 1 teaspoon      

Temperature Equivalents:

70° F 21° C
75° F 24° C
80° F 26 1/2° C
Freezing, Fahrenheit 32° F
Freezing, Celsius 0° C
Boiling, Fahrenheit 212° F
Boiling, Centigrade 100° C
Centigrade Celsius

Decimal Equivalents – Fractions of an Inch

1/64" 0.015625"
1/32" 0.03125"
1/16" 0.0625"
1/8" 0.125"
3/16" 0.1875"
¼" 0.250"
5/16" 0.3125"
3/8" 0.375"
7/16" 0.4375"
½" 0.500"
9/16" 0.5625"
5/8" 0.625"
11/16" 0.6875"
¾" 0.750"
13/16" 0.8125"
7/8" 0.875"
15/16" 0.9375"
1" 1.000"

Square Measure:

144 square inches 1 square foot
9 square feet 1 square yard