Home > Quick Reference - Conversions
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Measurement Conversions
| 1 US gallon is equal to |
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| 4 quarts |
128 ounces |
768 tsp |
| 8 pints |
3.785 liters |
8.34 lbs |
| 16 cups |
256 tbsp |
231 in³ |
| 1 cup is equal to: |
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| 8 ounces |
48 tsp |
0.23 liter |
| 1/2 pint |
236 ml |
14.4 in³ |
| 16 tbsp |
0.52 lbs |
236 grams |
| 1 tablespoon is equal to: |
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| 1/2 ounce |
3 tsp |
15 grams |
15 ml |
180 drops |
0.663 cup |
| 1 liter is equal to: |
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| 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 |
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| 3 tsp = 1 Tbsp |
1 ml = 1/5 tsp |
2 Tbsp = 1 fluid 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 |
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| 200°C = 392°F |
100°C = 212°F |
75°C = 167°F |
40°C = 104°F |
| 150°C = 302°F |
95°C = 203°F |
70°C = 158°F |
30°C = 86°F |
| 125°C = 257°F |
90°C = 194°F |
65°C = 149°F |
20°C = 68°F |
| 110°C = 230°F |
85°C = 185°F |
60°C = 140°F |
10°C = 50°F |
| 105°C = 221°F |
80°C = 176°F |
50°C = 122°F |
0°C = 32°F |
| °F/°C Temperature Formulas |
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| °C = (°F - 32) x 5/9 |
°F = (°C x 9/5) + 32 |
| Lighting Conversion |
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| 1 foot candle = lumen/ft² |
| Definitions & Abbreviations |
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| ppm = parts per million |
mho = conductivity |
mS = millisiemen |
uS = microsiemen |
| tds = total dissolved solids |
ec = electrical conductivity |
pH = potential hydrogen |
C Carbon |
| Mn Mangenese |
Ca Calcium |
Mo Molybdenum |
Cl Chlorine |
| N Nitrogen |
Cu Copper |
Na Sodium |
Fe Iron |
| O Oxygen |
F Fluorine |
P Phosphorus |
H Hydrogen |
| S Sulfur |
K Potassium |
Zn Zinc |
1 mS = 1000 uS |
| 1 Siemen = 1000 mS |
1 mS = 500 ppm (standard) |
1 mS = 650 ppm (horticultural) |
1 mg/liter = 1 ppm |
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