Conversions & Formulas

[Length] [Weight] [Area] [Volume] [Concentration] [Flow Rate]
[Temperature] [Gallons in Tank] [Gallons in Pond] [Gravel in Tank] [dKH]

Length:

1 millimeter (mm)

= 0.04 inch

1 centimeter (cm)

= .3937 inch

1 inch (in)

= 2.54 cm

1 foot (ft)

= 12 inch
= 30.48 cm
= .305 meter

1 yard (yd)

= 3 foot
= 36 inch
= 91.44 cm
= .914 meter

1 meter (m)

= 3.28 ft
= 39.37 inch
= 100 cm

1 kilometer (km)

= .62 mile

Weight:

1 dram (dr)

= 1.772 gram

1 grain (gr)

= 64.8 milligram
= 0.065 gram
= 0.35 ounce

1 microgram (mcg)

= 0.001 milligram

1 milligram (mg)

= 1000 microgram
= 0.001 gram
= 0.0154 gram

1 gram (g)

= 15.432 grain
= 0.0353 ounce
= 0.034 fluid ounce (water)
= 0.0022 pound
= 0.002 pint (water)
= 0.001 liter (water)
= 1000 milligram
= 0.001 kilogram

1 ounce (oz))

= 480 grain
= 28.35 gram
= 0.0075 gallon
= 0.03 quart
= 0.06 pint
= 0.0625 pound
= 0.96 fuid ounce (water)

1 pound (avoirdupois) (lb)

= 7000 grain
= 453.6 gram
= 16 ounce
= 0.12 gallon (water)
= 0.016 cubic foot (water)
= 0.48 quart (water)
= 0.96 pint (water)
= 15.35 fluid ounce (water)
= 27.68 cubic inch (water)
= 453.59 cubic centimeter (water)
= 453.59 milliliter (water)
= 453.59 gram
= 0.454 liter (water)

1 stone

= 14 lb

1 hundredweight

= 100 pound
= 45.3592 kilogram

Area:

1 square foot (sq ft, ft2)

= 144 square inch
= 930 square centimeter

1 square meter (m2)

= 10.764 square foot
= 1550 square inch
= 10,000 square centimeter

Volume:

1 cubic centimeter (cc, cm3)

= 1 milliliter
= 1 gram (water)
= 0.061 cubic inch
= 0.001 quart
= 0.002 pint
= 0.034 fluid ounce

1 cubic inch (cu in, in3)

= 16.387 cc
= 16.387 ml
= 0.0043 gallon
= 0.017 quart
= 0.035 pint
= 0.036 lb (water)
= 0.576 oz. (water)
= 0.554 fluid oz.
= 0.00058 cubic foot
= 0.0164 liter
= 16.39 gram (water)

1 cubic foot (cu ft, ft3)

= 7.481 gallon
= 29.922 quart
= 59.844 pint
= 62.426 lb (water)
= 998.816 oz. (water)
= 28,355 gram (water)
= 957.51 fluid oz.
= 1728 cubic inch
= 28.316 liter
= 28,316 cubic centimeter
= 28,316 milliliter

1 cubic meter (m3)

= 35.314 cubic foot
= 61,024 cubic inch
= 1000 liter

1 teaspoon (tsp)

= 5 milliliter
= 5 cubic centimeter

1 tablespoon (tbs)

= 3 teaspoon
= 15 milliliter

1 fluid ounce (fl oz)

= 6 teaspoon
= 2 tablespoon
= 0.0078 gallon
= 0.031 quart
= 29.57 gram (water)
= 0.0062 pint
= 0.065 pound (water)
= 1.04 ounce (water)
= 1.8 cubic inch
= 29.57 cubic centimeter
= 29.57 milliliter
= 0.0296 liter

1 cup

= 48 teaspoon
= 16 tablespoon
= 8 fluid ounce
= 237 ml

1 pint (pt)

= 2.0 cup
= 0.5679 liter
= 0.125 gallon
= 0.5 quart
= 1.043 pound (water)
= 16.69 ounce (water)
= 16 fluid ounce
= 28.875 cubic inch
= 0.0167 cubic foot
= 473.18 cubic centimeter
= 473.18 milliliter
= 0.473 liter
= 473.18 gram (water)

1 quart (qt)

= 2.0 pint
= 4.0 cup
= 946.35 milliliter
= 946.35 cubic centimeter
= 946.35 gram (water)
= 0.95 liter
= 0.25 gallon
= 2.0 pint
= 2.085 pound (water)
= 33.36 ounce (water)
= 32 fluid ounce
= 57.75 cubic inch
= 0.0334 cubic foot

1 gallon (gal)

= 4.0 quart
= 8.0 pint
= 16.0 cup
= 3.785 liter
= 0.1339 cubic foot
= 231 cubic inch
= 8.345 pound (water)
= 3785.4 gram (water)
= 4 quart
= 8 pint
= 135.52 ounce (water)
= 128 fluid ounce
= 3785.4 cubic centimeter
= 3785.4 milliliter

1 Imperial gallon

= 4.5459 liter
= 0.1605 cubic foot
= 277.42 cubic inch
= 4.845 quart
= 1.21 gallon

1 milliliter (ml)

= 1 cubic centimeter
= 20 drops (approx.)
= 0.20 teaspoon
= 0.061 cubic inch
= 0.001 liter
= 1 gram (water)
= 0.002 lb (water)
= 0.0003 gallon

1 liter (l)

= 1000 milliliter
= 1000 cubic centimeter
= 1.7598 pint
= 1.057 quart
= 0.264 gallon
= 203 teaspoon
= 67.6 tablespoon
= 35.28 ounce (water)
= 33.8 fluid ounce
= 4.23 cup
= 2.1134 pint
= 2.205 pound (water)
= 61.025 cubic inch
= 0.0353 cubic foot
= 1000 gram (water)
= 1 kilogram (water)

1 kiloliter (kl)

= 1000 liter
= 264.18 gallon
= 35.315 cubic foot

Concentration:

1 grain/gallon (gr/gal)

= 19.12 part per million

1 pound/million gallon

= 0.1199 part per million

1 percent solution (%)

= 38 gram/gallon
= 1.3 ounce/gallon
= 10 gram/1000 milliliter
= 10 milliliter/1000 milliliter
= 10 milliliter/liter
= 38 milliliter/gallon
= 1 gram/100 milliliter
= 1 ounce/0.75 gallon
= 4.53 gram/pound
= 0.624 pound/cubic foot

1 percent in food (%)

= 4.5 gram/pound
= 0.2 ounce/pound
= 83 grain/pound
= 10,000 part per million

1 part per thousand

= 1000 part per million

1 part per million (ppm)

= 1 milligram/liter
= 3.8 milligram/gallon
= 2.7 pound/acre foot
= 0.0038 gram/gallon
= 0.0283 gram/cubic foot
= 0.0000623 pound/cubic foot
= 1233 gram/acre foot
= 8.34 pound/million gallon
= 1 ounce/1000 cubic foot
= 1 gram/264 gallon
= 1 gram/cubic meter
= 0.134 ounce/1000 gallon

1 milligram/liter (mg/l)

= 1 part per million
= 3.8 milligram/gallon
= 2.7 pound/acre foot
= 0.0038 gram/gallon
= 0.0283 gram/cubic foot
= 0.0000623 pound/cubic foot
= 1233 gram/acre foot
= 0.0586 gram/gallon
= 8.34 pound/million gallon
= 1 ounce/1000 cubic foot
= 1 gram/264 gallon
= 1 gram/cubic meter
= 0.134 ounce/1000 gallon

Flow Rate:

1 gallon per hour (gph, gal/hr)

= 3.785 liter per hour

1 gallon per minute (gpm)

= 60 gallon per hour
= 3.785 liter per minute
= 227.1 liter per hour

1 liter per hour (l/hr)

= 0.264 gallon per hour

1 liter per minute (l/min)

= 0.264 gallon per minute
= 15.8 gallon per hour

Temperature:

degrees Celsius

= 0.56 (degrees fahrenheit - 32)

degrees Fahrenheit

= (1.8 x degrees Celsius) + 32

Gallons in Aquarium:

To determine the number of gallons in a rectangular aquarium:

Length (in inches) x Width (in inches) x Height (in inches) / 231

Gallons in Pond:

To determine the number of gallons in a rectangular pond:

Length (in feet) x Width (in feet) x Height (in feet) x 7.5

Gravel in Aquarium:

To determine the number of pounds of gravel required for a rectangular aquarium:

Length (in inches) x Width (in inches) x Desired Gravel Depth (in inches) x .05

dKH

To convert degrees of German hardness (dKH) to parts per million (ppm), multiply by 17.
To convert degrees of German hardness (dKH) to milliequivalents per liter (meq/l), divide by 2.8.