Passport Photo Size Lookup

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Country or document:

The preset changes photo dimensions, head-size band, checklist rows, source notes, and export payloads.

Output target:

Resolution: {{ dpiLabel }}

300 DPI is a common print-preparation baseline; use the authority's digital upload rules when they differ.

DPI

Sheet size:

Measured head height:

Cut gutter: {{ gutterLabel }}

Used only for the print-sheet layout estimate.

Sheet edge margin: {{ cutMarginLabel }}

Increase this for printers that crop near the paper edge.

Requirement	Value	Use	Copy
{{ row.requirement }}	{{ row.value }}	{{ row.note }}

Layout item	Value	Cut note	Copy
{{ row.item }}	{{ row.value }}	{{ row.note }}

Check	Requirement	Evidence note	Copy
{{ row.check }}	{{ row.requirement }}	{{ row.note }}

{{ formattedJson }}

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Passport and visa photos are measured documents, not ordinary portraits. A photo can look centered and sharp but still fail because the full print is the wrong size, the head is too large, the head is too small, the background is unacceptable, or a digital upload uses the wrong pixel dimensions.

Most authorities describe the photo in two linked ways. The first is the outer frame: for example, a square 51 by 51 mm U.S. passport photo or a 35 by 45 mm photo used by many European passport systems. The second is the face or head band, usually measured from the bottom of the chin to the crown or top of the head. That head band matters because passport systems need a face that is large enough for identification without cropping hair, chin, shoulders, or the surrounding background too tightly.

Passport photo sizing combines the outside rectangle, the face or head measurement, and the pixel target used for printing or uploading.

Print and digital rules are easy to mix up. A printed photo standard may say 35 by 45 mm, while a digital application may ask for a fixed pixel file or a percentage of image height. DPI only connects those worlds when the physical print size is known. A 51 mm square prepared at 300 DPI becomes about 602 by 602 pixels, but that does not automatically satisfy a digital upload rule if the authority lists its own pixel range, file size, or format.

Common passport photo sizing terms
Term	Plain meaning	Why it matters
Outer size	The full photo width and height after cropping or printing.	The application may reject a print that is physically too large or too small.
Head height	The chin-to-crown or chin-to-top-of-head measurement used by the authority.	A correct outer rectangle can still fail if the face is framed outside the allowed band.
DPI	Dots per inch, used here to convert a physical print size into pixels.	It helps prepare a file for printing but does not override official digital upload rules.
Sheet layout	Repeated cutouts placed on a 4 x 6 in, 5 x 7 in, A4, Letter, or single-photo sheet.	Margins, gutters, and rotation change how many copies fit without changing the required photo size.

The safest workflow is to separate preparation from approval. Use size, head-band, and pixel numbers to prepare the crop, then check the live authority page before submission. Lighting, expression, glasses, recency, background, paper, and editing rules can reject a photo even when every measurement looks right.

How to Use This Tool:

Start with the document authority and output target, then use the result tabs to confirm the size, print plan, and submission checks.

Choose the required Country or document. The preset changes the authority, physical size, head band, digital constraints, checklist notes, and source link.
Select Output target. Use Single print/photo lab for a physical cutout, Digital upload pixels when the application asks for a file, and Print sheet layout when you need several cutouts on one sheet.
Set Resolution for print preparation. The pixel target updates from the physical photo size and DPI unless the selected digital preset has its own pixel rule.
Pick a Sheet size when planning repeated cutouts. Open Advanced to adjust cut gutter and sheet edge margin if your printer clips near the edge or you need more space between photos.
Enter Measured head height if you already have a prepared crop or print. Use millimeters or inches for physical output, or percent when checking a digital crop against a percentage-based requirement.
Read Size Sheet first. If the badge says Head too small, Head too tall, or asks for a higher DPI, fix the crop or resolution before using the print layout.
Use Print Layout for cutout count and placement, Submission Checklist for non-size rules, Size Comparison for a visual comparison across presets, and JSON when you need a structured record of the selected standard.

Before you send the photo to a lab or attach it to an application, open the linked authority source from the summary area. Application route, country office, renewal type, and upload channel can change the final instruction.

Interpreting Results:

The main size value is the full photo frame, not the size of the face. For a U.S. passport print, the 51 by 51 mm value describes the outside square. The head-height band describes where the face should sit inside that square. For a Canada passport print, the outside rectangle is taller at 50 by 70 mm, while the face height is checked separately.

How to interpret passport photo size lookup results
Result area	What to trust	What to check next
`Size Sheet`	Authority name, photo size, head-height band, head coverage, pixel target, and preset note for the selected document.	Compare each number with the live authority page, especially for digital uploads and consular routes.
Measured head badge	Whether your entered head measurement falls below, inside, or above the selected head band.	Re-crop or reprint if the head is outside the band. A passing badge does not check lighting, sharpness, or identity rules.
`Print Layout`	Estimated rows, columns, cutout count, orientation, margins, gutters, and slot positions for the chosen sheet.	Print at 100% scale. Fit-to-page or borderless scaling can change the physical photo size.
`Submission Checklist`	Practical rules for recency, background, expression, glasses, finish, editing, and quantity.	Use it as a preparation checklist, then follow the official application page when rules differ.
`Size Comparison`	A visual comparison of supported standards, useful for seeing why one country's photo cannot be reused blindly for another.	Do not use the chart as a substitute for the selected authority row. The table carries the exact preparation values.

The source review date is a clue about data freshness, not a guarantee that the rule is still current. Government photo instructions change, and some pages split printed passport photos, digital passport renewals, visa applications, and embassy-specific routes into separate requirements.

Technical Details:

Passport photo sizing is a geometry problem with rule-based boundaries. The outer rectangle sets the crop and print size. The head-height band sets the acceptable scale of the face within that rectangle. Digital rules add pixel dimensions, file type, and sometimes file-size constraints, but the biometric framing principle remains the same: the face must occupy the authority's allowed portion of the image.

DPI is only a conversion factor between physical length and pixels. It does not make an image sharper by itself, and it does not prove that the printed output will measure correctly. If a lab, printer driver, or PDF viewer scales the image during printing, the millimeter size changes even though the pixel dimensions stayed the same.

Measurement Core

inches = \frac{millimeters}{25.4} pixels = inches \times DPI head coverage percent = \frac{head height}{photo height} \times 100

At 300 DPI, a 35 by 45 mm print target is about 413 by 531 pixels, while a 51 by 51 mm target is about 602 by 602 pixels. Those rounded pixel targets are useful for preparing a print file. When an authority gives exact digital pixel dimensions, use the official digital rule instead of deriving one from DPI.

Supported Standard Examples

Examples of supported passport photo standards and sizing rules
Document route	Outer size	Head rule	Important boundary
United States passport print	51 x 51 mm, also listed as 2 x 2 in	25 to 35 mm from chin to top of head	Print route uses photo-quality paper and separate content rules.
United Kingdom printed passport photo	35 x 45 mm	29 to 34 mm from chin to crown	Printed and digital UK application routes are not the same.
Canada passport print	50 x 70 mm, also listed as 2 x 2.75 in	31 to 36 mm face height	Canada explicitly warns that its photo rules differ from other countries.
India GPSP digital upload	35 x 45 mm reference frame	Head covers 80% to 85% of image height	The listed digital target is 630 x 810 pixels for that route.

Print Sheet Rule

The sheet estimate uses usable sheet space after subtracting the edge margin on both sides. It then fits as many photo rectangles as possible with the selected gutter between copies. The calculation checks upright and rotated placement and keeps the orientation that fits more cutouts.

Print sheet placement rules for passport photo cutouts
Input	Role in the estimate	Failure mode
Sheet size	Defines the available paper or photo-lab canvas.	The selected sheet may not match the actual lab product or printer paper.
Edge margin	Reserves space around the outside before placing the first cutout.	Too small a margin can place photos inside a printer's clipped area.
Cut gutter	Adds spacing between copies for trimming.	Too much gutter reduces capacity; too little gutter makes cutting less forgiving.
Orientation	Compares upright and rotated rectangles when planning repeated cutouts.	Rotation can help layout capacity but must not lead to scaled printing.

Accuracy and Privacy Notes:

The lookup uses built-in standards data and visible source links. It does not upload, inspect, crop, retouch, or verify an image, and it cannot decide whether a passport office, embassy, visa center, or digital renewal system will accept a specific photo. Use it to prepare measurements and checklists, then treat the live authority instruction as final.

No image file is required for the size lookup. If you use a separate image editor or photo lab after checking the numbers, keep the original file private and avoid edits that authorities forbid, including filters, artificial face changes, copied photos, or scans when original capture is required.

Worked Examples:

U.S. Passport Print

Choose the U.S. passport photo preset, keep the output target on print, and use the 51 by 51 mm size with a 25 to 35 mm head-height check. At 300 DPI, the print file target is about 602 by 602 pixels.

UK Paper Application

Choose the UK printed passport photo preset and check for a 35 by 45 mm photo with a 29 to 34 mm chin-to-crown measurement. The checklist also reminds you that the photo must be recent and unaltered.

4 x 6 In Print Sheet

Use the print sheet target with a 4 x 6 in sheet, then adjust gutter and edge margin. Keep the final print at 100% scale so the planned cutouts still match the millimeter requirement.

FAQ:

No. Several countries use 35 by 45 mm photos, but head-height bands, background rules, paper rules, digital upload limits, and recency rules still differ. A photo prepared for one document should be checked again before reuse.

No. Pixel size and DPI prepare the file, but the printer must output at the intended physical size. Turn off fit-to-page scaling, avoid automatic borderless enlargement unless required, and measure a test print when the application is strict.

Use the authority's definition. Many printed-photo rules measure from the bottom of the chin to the crown or top of the head, while some digital rules use the face or head as a percentage of the full image height.

Passport and visa photo rules can change, and official pages may split requirements by application route. The source note helps you decide when to open the authority page before relying on the numbers.

Glossary:

Authority: The government department, passport office, embassy, or application program that publishes the photo rule.
Chin to crown: The vertical face or head measurement used by many passport-photo standards. Some authorities define the top point differently, so read the source wording.
Digital upload: A photo file submitted through an application website. It may have pixel, format, file-size, and face-percentage rules that differ from printed photos.
DPI: Dots per inch. In this context it converts a physical photo size into a pixel target for print preparation.
Gutter: The space left between repeated photo cutouts on a sheet so each copy can be trimmed cleanly.