A standard can of soda in the United States typically contains 12 fluid ounces (fl oz) of liquid. However, there are variations depending on the brand and country:

• Standard can: 12 fl oz (about 355 milliliters)
• Mini cans: 7.5 fl oz (about 222 milliliters)
• Tall cans: 16 fl oz (about 473 milliliters)
• Large cans: 24 fl oz (about 710 milliliters)

If you have a specific brand or size in mind, I can provide more precise information!