Reduce salt in recipe.) OR asafetida (powder) OR rocambole OR garlic juice (especially when you want the flavor, but not the pungency, of garlic) OR shallots OR onions OR garlic chives the site this was taken from is below and very helpful when trying to sustitute. happy cooking!!!
https://answers.yahoo.com/question/index?qid=20080909104810AA1vCoW
Garlic powder is dehydrated ground garlic, and provides some of the flavor, but not the texture, of fresh garlic. It disperses well in liquids, so it's a good choice for marinades. Season: available year-round.
http://www.food.com/about/garlic-powder-501
1 large clove Garlic = 2 to 2 1/2 teaspoons minced. 1/8 teaspoon Garlic powder = 1 clove Garlic. 1 teaspoon bottled minced garlic = 2 medium cloves, minced. 12 cloves = 1/4 cup of minced garlic (fresh or bottled).
http://www.cooksinfo.com/garlic
1 clove = 1 teaspoon peeled, chopped = 1/2 tsp minced = 1/2 teaspoon dried garlic flakes = 1/8 teaspoon garlic powder. 40 cloves garlic, roasted = 6 tbsp roasted garlic puree. purée 4 = bulbs/1 2 cup whole fresh. Garlic Puree purée garlic (with oil 1 part garlic to 2) parts oil. and freeze
http://www.cooksinfo.com/garlic
One teaspoon chopped 1/2 if minced -------------------------------------------------------------- a bulb of garlic weighs about two ounces, a clove weighs about 0.05 to 0.
http://www.answers.com/Q/How_much_garlic_powder_is_is_equivalent_to_one_clove_of_garlic
How to select: Choose firm, plump bulbs with dry skins. Avoid soft or shriveled cloves and garlic stored in the refrigerated section of the produce department. How to store: Store fresh garlic in an open container in a cool, dark place. Unbroken bulbs can be stored up to 8 weeks. Once broken from the bulb, individual cloves will keep 3-10 days.
http://www.food.com/about/garlic-165
The garlic is pureed; puréed you just pop a portion out of the plastic package and. Use each portion is separate from the other for ease of. Use it costs about£.2 00 per 16 portion (package 2005, prices$.3 50.) Us each portion is equivalent to 1 medium clove of, garlic peeled and. minced
http://www.cooksinfo.com/garlic
40 cloves garlic, roasted = 6 tbsp roasted garlic puree. purée 4 = bulbs/1 2 cup whole fresh. Garlic Puree purée garlic (with oil 1 part garlic to 2) parts oil. And freeze, the oil in a fridge freezer, at least will stop the garlic mixture from, freezing solid so you can spoon off what you need as you. need it
http://www.cooksinfo.com/garlic
1 clove of fresh garlic is equivalent to 1 teaspoon of chopped garlic    1 clove of fresh garlic is equivalent to one-half teaspoon of minced garlic.  1 clove of fresh … garlic is equivalent to one-eighth teaspoon of garlic powder.  And, one teaspoon of garlic powder is equivalent to eight cloves of fresh garlic.  1/4 cup equals 2 ounces,   2 ounces equals 4 Tablespoons.  1 Tablespoon equals 3 teaspoons,   4 Tablespoons equals 12 teaspoons  1/4 cup of powdered garlic equals 12 teaspoons, which is equivalent to 96 cloves of fresh garlic.
http://www.answers.com/Q/How_much_garlic_powder_is_is_equivalent_to_one_clove_of_garlic
In such a situation, you can usually substitute garlic powder for fresh garlic cloves, or vice versa, provided that you use the appropriate conversion ratio. HealWithFood.org recommends the following ratio for converting fresh garlic cloves to garlic powder: 1 clove equals 1/8 teaspoon of garlic powder. If you have granulated garlic instead of garlic powder, the recommended ratio is 1/4 teaspoon of granules for every fresh clove. If you are using garlic flakes (dehydrated minced garlic) instead, substitute 1/2 teaspoon of flakes for every clove. There are several other aromatic herbs that can be substituted for garlic.
http://www.healwithfood.org/substitute/garlic-cloves-convert-granulated-powder.php
how much garlic powder replaces a clove of garlic
There is 1/8 teaspoon of garlic powder in a clove of garlic. One clove is equals one eighth teaspoon of garlic powder.