1 US gallon is equal to:

  • 4 quarts
  • 128 ounces
  • 768 tsp
  • 8 pints
  • 3.785 liters
  • 8.34 lbs
  • 16 cups
  • 256 tbsp
  • 231 cu. in.

1 cup is equal to:

  • 8 ounces
  • 48 tsp
  • 0.23 liter
  • 1/2 pint
  • 236 ml
  • 14.4 cu.in.
  • 16 tbsp
  • 0.52 lbs
  • 236 grams

1 tablespoon is equal to:

  • 1/2 ounce
  • 3 tsp
  • 15 grams
  • 15 ml
  • 180 drops
  • 0.663 cup

1 liter is equal to:

  • 1000 ml
  • 4.328 cups
  • 202.88 tsp
  • 2.164 pints
  • 67.63 tbsp
  • 0.264 gal
  • 1000 grams
  • 2.22 lbs
  • 1.057 quarts

Measurement Equivalents:

  • 3 tsp = 1 Tbsp
  • 1 ml = 1/5 tsp
  • 2 Tbsp = 1 l uid oz
  • 5 ml = 1 tsp
  • 16 Tbsp = 1 cup
  • 15 ml = 1 Tbsp
  • 2 cups = 1 pint (16 oz)
  • 30 ml = 1 fluid oz
  • 2 pints = 1 quart (32 oz)
  • 240 ml = 1 cup
  • 4 quarts = 1 gal (128 oz)
  • 3840 ml = 1 gal

°F/°C TEMPERATURE CONVERSION

  • 200°C = 392°F
  • 150°C = 302°F
  • 125°C = 257°F
  • 110°C = 230°F
  • 105°C = 221°F
  • 100°C = 212°F
  • 95°C = 203°F
  • 90°C = 194°F
  • 85°C = 185°F
  • 80°C = 176°F
  • 75°C = 167°F
  • 70°C = 158°F
  • 65°C = 149°F
  • 60°C = 140°F
  • 50°C = 122°F
  • 40°C = 104°F
  • 30°C = 86°F
  • 20°C = 68°F
  • 10°C = 50°F
  • 0°C = 32°F

°F/°C TEMPERATURE FORMULA
°C = (°F – 32) x 5/9 °F = (°C x 9/5) + 32

Lighting Conversion:
1 footcandle = lumen/ft2

Definitions & Abbreviations

  • ppm = parts per million
  • mho = conductivity
  • mS = millisiemen
  • uS = microsiemen
  • tds = total dissolved solids
  • ec = electrical conductivity
  • pH = potential hydrogen
  • C Carbon
  • Ca Calcium
  • Cl Chlorine
  • Cu Copper
  • Fe Iron
  • F Fluorine
  • H Hydrogen
  • K Potassium
  • Mn Mangenese
  • Mo Molybdenum
  • N Nitrogen
  • Na Sodium
  • O Oxygen
  • P Phosphorus
  • S Sulfur
  • Zn Zinc
  • 1 Siemen = 1000 mS
  • 1 mS = 1000 uS
  • 1 mS = 500 ppm (standard)
  • 1 mS = 650 ppm (horticultural)
  • 1 mg/liter = 1 ppm
  • Above information Courtesy of Sunlight Supply N-G-W