Here is a list of measurements that are very commonly used, this guide should help you when increasing or reducing the size of a recipe. All of the measurements below apply to liquids, it could apply to dry ingredients although it may vary slightly at the smaller portions, but as it gets larger it could affect the recipe.
US Measurements
Dash < 1/8t
3t = 1T
48t = 1C
1fl. oz. = 1/8C
2fl. oz. = 1/4C
4fl. oz. = 1/2C
6fl. oz. = 3/4C
8fl. oz. = 1C
16fl. oz = 1pt
32fl. oz. = 1qt
128fl. oz = 1Gal
4T = 1/4C
16T = 1C
2C = 1pt
4C = 1qt
16C = 1gal
2pt = 1qt
8pt = 1gal
4qt = 1gal
