The Most Comprehensive Picture Frame Size Guide
We provide the most comprehensive frame size guide to help you choose the perfect fit. Our charts cover both inch and centimeter standards, ensuring you find the right information regardless of your preferred unit. We also offer a convenient unit converter and a smart recommendation tool—simply enter your photo dimensions to instantly find the best frame sizes!
Frame Size Recommendation
Unit
Centimeter and Inch Conversion
Conversion Type
Frame size systems
This system is the dominant standard in the North American (United States, Canada) consumer market, measured in inches. Originating from the traditional photography printing industry of the 20th century, its core sizes (especially 4×6, 5×7, 8×10 inches) have transcended North America to become the foundation of global photo printing, particularly the R series. These represent the most common picture frame sizes and typical picture frame sizes used worldwide.
FAQ
A quick guide to common questions so shoppers can make faster choices.
What are the most common picture frame sizes and typical picture frame sizes?
The most common picture frame sizes include 4×6, 5×7, 8×10, 11×14, 16×20, and 20×30 inches. These represent standard picture frame sizes in inches and are typical picture frame sizes used worldwide. For standard picture frame sizes UK and standard picture frame sizes cm, common sizes include 10×15 cm, 13×18 cm, 20×25 cm, 21×30 cm, and 30×40 cm. Match the frame to both your print and the display area using our comprehensive picture frame size chart.
How do I convert between inches and centimeters?
Use the converter module or remember the formula: centimeters = inches × 2.54 and inches = centimeters ÷ 2.54.
How can I make sure my photo fits a standard frame?
Choose a frame opening that matches your print and leave a small allowance (about 3 millimeters) so the photo slides in easily.
What should I check before buying a frame online?
Verify the inner and outer dimensions, confirm the mounting method, and review the return policy to avoid surprises.
Why are there so many standard picture frame sizes and picture frame common sizes?
The reason there are so many standard picture frame sizes, picture frame standard sizes, and typical picture frame sizes is fundamentally due to different aspect ratios of images themselves. Aspect ratio is the ratio of image width to height. Different shooting devices and media produce different native aspect ratios, which is why we need various standard picture frame sizes in inches, standard picture frame sizes UK, and standard picture frame sizes cm.
A. Main Aspect Ratios and Their Origins
- 3:2 (1.50): Originated from 35mm film, and remains the standard for most digital SLR (DSLR) and mirrorless cameras. Common picture frame sizes for this ratio include 4×6" (standard picture frame sizes in inches) and 8×12".
- 4:3 (1.33): Originated from traditional television and early digital cameras, currently the default aspect ratio for most smartphones (including iPhone) and Micro Four Thirds (M43) cameras. Typical picture frame sizes include 6×8" and 12×16".
- 1:1 (1.00): Square format promoted by social media platforms (such as Instagram). Standard frame sizes in cm for square formats include 20×20 cm, 30×30 cm.
- 16:9 (1.78): Standard for high-definition video (HD/4K), so all video screenshots have this ratio. Frame sizes in cm for this ratio are less common in standard picture frame sizes.
- 5:4 (1.25) / 7:5 (1.40): Originated from large-format photography and traditional print sizes, such as 8×10 inches (5:4) and 5×7 inches (7:5) - these are picture frame common sizes and standard picture frame sizes in inches.
- 1:√2 (approximately 1.414): Unique ratio of ISO 'A' series paper (A4, A3, etc.). Standard picture frame sizes UK often use A4 (21×30 cm) frames, representing standard frame sizes in cm.
How to choose matching standard picture frame sizes based on image source?
The root of size conflicts is aspect ratio conflicts. When users try to fit an image of one aspect ratio into a frame of another aspect ratio, they must choose between standard picture frame sizes in inches, standard picture frame sizes UK, or standard picture frame sizes cm. The solution is to match typical picture frame sizes to your image's aspect ratio.
- Crop: Cut off part of the image (e.g., crop the top and bottom of a 4:3 smartphone photo to fit a 3:2, 4×6" frame - one of the standard picture frame sizes in inches).
- Pillaring/Letterboxing: Leave blank space on the sides or top/bottom of the image (e.g., place a 16:9 video screenshot into a 4×6" frame, which is a picture frame common size).
Main Aspect Ratios and Best "Standard Picture Frame Sizes" Matching Guide
This table guides users to choose the best matching standard picture frame sizes (no cropping required) based on their image source (device). Use our picture frame size chart to find standard picture frame sizes in inches, standard picture frame sizes UK, standard picture frame sizes cm, frame sizes in cm, and standard frame sizes in cm.
| Image Source | Aspect Ratio | Perfect-Fit Standard Picture Frame Sizes |
|---|---|---|
| 35mm Film / Most DSLR/Mirrorless Cameras | 3:2 (1.50) | 4" × 6" (4R), 8" × 12" (S8R), 10" × 15", 12" × 18", 16" × 24", 20" × 30" - standard picture frame sizes in inches |
| Smartphone (iPhone) / M43 Cameras | 4:3 (1.33) | 6" × 8" (6R), 9" × 12", 12" × 16", 18" × 24" - typical picture frame sizes |
| Social Media / Instagram | 1:1 (1.00) | 5" × 5", 8" × 8", 10" × 10", 12" × 12" (all square sizes) - picture frame common sizes |
| Video Screenshots (HD/4K) | 16:9 (1.78) | (No standard photo sizes) 9" × 16", 12" × 21" (panoramic/widescreen sizes) |
| International Paper (Print Documents) | 1.414:1 | A5, A4, A3, A2, A1 (use corresponding 'A' series frames) - standard picture frame sizes UK, standard frame sizes in cm |
| Traditional Large Format | 5:4 (1.25) | 8" × 10", 16" × 20", 20" × 24" - standard picture frame sizes in inches |
| Traditional Print | 7:5 (1.40) | 5" × 7" (5R) - picture frame standard sizes |
What dimensions should I know when buying standard picture frame sizes?
When purchasing standard picture frame sizes, picture frame standard sizes, or typical picture frame sizes, you must distinguish between three key dimensions:
- Image Size: The actual physical size of your photo or artwork. This determines which standard picture frame sizes in inches, standard picture frame sizes UK, or standard picture frame sizes cm you need.
- Frame Size: Also called "inner size" or "nominal size." This refers to the opening size at the back of the frame, corresponding to the "maximum" object size you want to fit. For example, an 8×10 inch frame (one of the standard picture frame sizes in inches) has an inner size of 8×10 inches and can accommodate an 8×10 inch image. Our picture frame size chart shows all standard frame sizes in cm and picture frame sizes in cm.
- Mat Opening Size: The window size cut in the mat board. When using standard picture frame sizes cm or frame sizes in cm, the mat opening should be slightly smaller than your image.
Key Point:
The mat opening size must be slightly smaller than your image size. For example, to frame a 5×7 inch photo (a picture frame common size), the mat opening might be 4.75 × 6.75 inches. This 1/4 inch overlap (1/8 inch per side) is necessary to prevent the image from falling out of the opening. This applies to all standard picture frame sizes, whether standard picture frame sizes in inches, standard picture frame sizes UK, or standard picture frame sizes cm.