The sizing is in the form of nR where n represents the shorter side of the photo and n is in inches. Eg, 4R size is 4 inches by 6 inches. For 10 inches and below, the longer side is 2 inches longer than the shorter side For 11 inches and above, the longer side is 3 inches longer than the shorter side.

Prints | Inches | CM | MM |

2R | 2.5 x 3.5 | 6.35 x 8.89 | 635 x 889 |

3R | 3.5 x 5 | 8.89 x 12.7 | 889 x 127 |

4R | 4 x 6 | 10.2 x 15.2 | 102 x 152 |

5R | 5 x 7 | 12.7 x 17.8 | 127 x 178 |

6R | 6 x 8 | 15.2 x 20.3 | 152 x 203 |

8R | 8 x 10 | 20.3 x 25.4 | 203 x 254 |

10R | 10 x 12 | 25.4 x 30.5 | 254 x 305 |

Paper size | Inches | CM | MM |

A1 | 23.4 x 33.1 | 59.4 x 84.1 | 594 x 841 |

A2 | 16.5 x 23.4 | 42.0 x 59.4 | 420 x 594 |

A3 | 11.7 x 16.5 | 29.7 x 42.0 | 297 x 420 |

A4 | 8.3 x 11.7 | 21.0 x 29.7 | 210 x 297 |

A5 | 5.8 x 8.3 | 14.8 x 21.0 | 148 x 210 |

A6 | 4.1 x 5.8 | 10.5 x 14.8 | 105 x 148 |

A7 | 2.9 x 4.1 | 7.4 x 10.5 | 74 x 105 |

A8 | 2 x 2.9 | 5.2 x 7.4 | 52 x 74 |

A9 | 1.5 x 2.0 | 3.7 x 5.2 | 37 x 52 |

A10 | 1.0 x 1.5 | 2.6 x 3.7 | 26 x 37 |

At Print For Fun, we also offer custom sizes if you have an odd-sized frame. Here is the link.

- What is the size of a standard photo?
- The most common size for a photo is 4R, or 4 inches by 6 inches, typically because it's not too small and not too big. There are many types of frames available for that size. The aspect ratio of the photo print is 2 by 3, suitable for photos taken on majority of digital cameras and phone cameras.

- What is the image size of the photo?
- Image size usually refers to the pixel dimensions of the image, also known as the resolution of the image. It can usually be found when you right-click on the image and go to "Properties" on Windows or "Get Info" on Mac.

- What are the photo sizes in cm?
- 1 inch is 2.54 cm. Standard photographic sizes are in inches, but we have converted them into cm in our table above.

- What is a wallet size photo?
- A wallet size photo is about 2.5" x 3.5". That is the size of a 2R print. It's slightly bigger than a credit card.