1 US cup (c) of water = 240 milliliters (mL) or 240 grams (g).
Note: 1 US cup (c) of water = 236.588237 mL and is rounded to precisely 240 mL by US federal regulations (FDA) for food labeling purposes and is standard practice for conversions.

1 US cup (c) of water = 16 US tablespoons (tbsp) or 48 US teaspoon (tsp) or 8 US fluid ounce(fl oz)

Oven Temperatures

American Cups to Grams

Note: Volume-to-weight conversions are not absolute and each conversion is based on my experience.