In the world of laundry, understanding symbols is as important as knowing how to operate a washing machine. These symbols, often referred to as laundry code symbols or care symbols, provide crucial information about how to properly clean, dry, and care for your garments. Let's dive into the fascinating world of laundry symbols, their meanings, and why they matter.
Why Laundry Code Symbols Matter
Laundry code symbols are not just decorative marks on your clothing labels. They are international symbols that offer guidelines on how to clean, bleach, dry, and iron your garments. Following these symbols helps prolong the life of your clothes, maintains their quality, and prevents shrinkage, fading, or damage. They are your garments' voice, telling you how to care for them.
Understanding the Basics: A Brief History
The use of laundry symbols can be traced back to the 1960s when the International Organization for Standardization (ISO) introduced a set of standard symbols for textile care. These symbols were designed to provide clear, universally understood instructions for consumers worldwide. Today, these symbols are used globally, making them an essential part of the textile industry.

Washing Symbols
Washing symbols provide information about the appropriate washing temperature, bleaching, and washing methods. The most common washing symbols include:
- Washing Temperature: A square with a number inside indicates the maximum washing temperature in degrees Celsius. For example, 30°C, 40°C, 50°C, 60°C, etc.
- Bleaching: A square with a circle inside indicates whether bleaching is allowed (with a number indicating the type of bleach) or not allowed (with a strike-through line).
- Washing Method: A square with a letter inside indicates the recommended washing method. 'P' stands for gentle, 'N' for normal, 'G' for delicate, and 'K' for hand wash only.
Drying Symbols
Drying symbols indicate the appropriate drying methods and temperatures. The most common drying symbols include:
- Tumble Drying: A square with a circle inside indicates the maximum tumble drying temperature in degrees Celsius. A circle with a strike-through line means tumble drying is not recommended.
- Drying Method: A square with a letter inside indicates the recommended drying method. 'T' stands for tumble drying, 'S' for spin drying, and 'H' for drip drying.
Ironing Symbols
Ironing symbols provide guidelines on the appropriate ironing temperature and methods. The most common ironing symbols include:

- Ironing Temperature: A square with a dot and a number inside indicates the maximum ironing temperature in degrees Celsius. For example, 1 dot for 110°C, 2 dots for 150°C, etc.
- Ironing Method: A square with a letter inside indicates the recommended ironing method. 'C' stands for cool iron, 'B' for medium iron, and 'M' for hot iron. A square with a strike-through line means ironing is not recommended.
Decoding Other Laundry Symbols
While washing, drying, and ironing symbols are the most common, there are other laundry symbols that provide additional care instructions. These include:
- Dry Cleaning: A circle with a letter inside indicates the recommended dry cleaning method. 'F' stands for any dry cleaning solvent, 'P' for dry cleaning with a solvent other than tetrachloroethylene, and 'W' for dry cleaning with a solvent containing a significant amount of halogen.
- Professional Textile Care: A square with a letter inside indicates that professional textile care is recommended. 'D' stands for dry cleaning, 'W' for wet cleaning, and 'C' for dry or wet cleaning.
Reading Laundry Symbols: A Step-by-Step Guide
Reading laundry symbols is a straightforward process once you understand their meanings. Here's a step-by-step guide:
- Locate the laundry symbols on the clothing label. They are usually found near the washing, drying, and ironing instructions.
- Identify the washing, drying, and ironing symbols. These are typically represented by squares with numbers, letters, or lines inside.
- Understand the meaning of each symbol. Refer to the sections above for a detailed explanation of each symbol.
- Follow the instructions provided by the symbols. For example, if the washing symbol indicates a maximum washing temperature of 40°C, wash the garment at 40°C or below.
- Repeat the process for drying and ironing symbols.
Remember, these symbols are guidelines. If you're unsure about a symbol or the care instructions for a specific garment, it's always best to err on the side of caution to prevent damage.