When it comes to window sizes, the Philippines follows a standard measurement system that is unique to the country. Understanding these standard window sizes in centimeters (cm) is crucial for homeowners, architects, and interior designers when planning window installations or renovations. This guide will help you navigate the typical window dimensions used in the Philippines.

Before diving into the specific sizes, it's essential to understand that window measurements in the Philippines are typically taken as width x height. The width is usually the larger dimension, with the height being the smaller one. Also, these measurements are for the rough opening, not the finished window size, which includes the frame.

Standard Window Sizes in the Philippines
The Philippines has a few standard window sizes that are commonly used in residential and commercial buildings. These sizes are not set in stone and can vary slightly depending on the region and the specific building's design. However, they provide a good starting point for your window selection process.

Here are the most common standard window sizes in the Philippines, measured in centimeters:
Small Windows

Small windows are typically used for ventilation and natural light in bathrooms, kitchens, and other small spaces. They usually measure:
- 45cm x 45cm
- 60cm x 45cm
These sizes can vary slightly, but they are the most common for small windows.

Medium Windows
Medium-sized windows are commonly used in living rooms, bedrooms, and other larger spaces. They usually measure:
- 90cm x 90cm
- 120cm x 90cm
- 120cm x 120cm

These sizes provide ample natural light and ventilation for medium-sized rooms.
Large Windows


















Large windows are often used in living rooms, master bedrooms, and other spacious areas. They typically measure:
- 150cm x 150cm
- 180cm x 150cm
- 210cm x 150cm
These sizes can make a significant impact on the room's aesthetics and natural lighting.
Window Sizes for Specific Room Types
While the above sizes are common, some rooms may require specific window sizes based on their function and design. Here are a few examples:
Bedrooms
Bedrooms typically use medium to large window sizes, depending on the room's dimensions. Common sizes include:
- 120cm x 90cm
- 150cm x 150cm
- 180cm x 150cm
These sizes provide sufficient natural light and ventilation for a comfortable sleeping environment.
Living Rooms
Living rooms often have larger windows to maximize natural light and create an open, inviting space. Common sizes include:
- 180cm x 150cm
- 210cm x 150cm
- 240cm x 150cm
Some living rooms may also feature floor-to-ceiling windows or sliding doors that can measure up to 300cm in width.
When selecting window sizes for your space, consider the room's function, dimensions, and your personal preferences. It's always a good idea to consult with a professional architect or interior designer to ensure you choose the best window sizes for your needs. Happy renovating!