How To Find Out if Your Glass Is Dishwasher Safe

Wine Glasses in the Dishwasher

Table of Contents

What Constitutes Dishwasher Safe?

Dishwasher safe means that the item is built to withstand the harsh chemical and high heat of a dishwasher without degrading in quality or strength.

How To Tell if Your Glass Can Safely Go in the Dishwasher

General Guide to Dishwasher Safe Materials

Dishwasher SafeNot Dishwasher Safe
GlassCrystal
Stainless SteelAluminum
CeramicsWood
Thick Hard PlasticThin Soft Plastic
PorcelainCopper
SiliconeInsulated Cups
PyrexCast Iron

Check for the Dishwasher Safe Symbol

On the bottom of most items, including glassware, there should be a stamp indicating whether the item is safe to use in the dishwasher. Below are the most common symbols indicating that an item is dishwasher safe.

Some symbols will be a fork or a plate with water above them, indicating that it can go anywhere in the dishwasher. Others may have a couple of words indicating that the item is only safe for use on the top rack.

Symbol that indicates an item is safe to place in the dishwasher