Digital Image Resolution Converter
Convert digital image resolution measurements.
Popular Digital Image Resolution Conversions
Complete List of Digital Image Resolution Units for Conversion
1 Dots per Inch [dpi] = 1.00000 Pixels per Inch [ppi]
Dots per Inch to Pixels per Inch, Pixels per Inch to Dots per Inch
1 Pixels per Centimeter [px/cm] = 2.54000 Pixels per Inch [ppi]
Pixels per Centimeter to Pixels per Inch, Pixels per Inch to Pixels per Centimeter
1 Pixels per Millimeter [px/mm] = 25.4000 Pixels per Inch [ppi]
Pixels per Millimeter to Pixels per Inch, Pixels per Inch to Pixels per Millimeter
How this digital image resolution converter works
Pixels per Inch (ppi) is used as the internal base unit. Every value you enter is first converted to Pixels per Inch using exact SI factors, then translated to the requested unit with the same data pulled from the SI Brochure and NIST SP 811.
Key digital image resolution relationships
- 1 Dots per Inch = 1 Pixels per Inch
- 1 Pixels per Centimeter = 2.54 Pixels per Inch
- 1 Pixels per Millimeter = 25.4 Pixels per Inch
Where digital image resolution units are used
Lighting designers, display manufacturers, and imaging scientists track these optical quantities when tuning sensors, screens, and illumination systems. The digital image resolution converter covers real-world units such as Pixels per Inch and Dots per Inch, giving teams a trusted reference when cross-checking data between labs, suppliers, and regulatory filings.
Tips for accurate digital image resolution conversions
- Always verify the unit symbol in your worksheet—this converter normalizes values through Pixels per Inch, which is the SI reference for digital image resolution measurements.
- When jumping between Pixels per Inch and Dots per Inch, watch metric prefixes and rounding. A misplaced milli-, micro-, or kilo- prefix can produce errors of several orders of magnitude.
- Document the context (test conditions, instrument resolution, uncertainty) whenever you publish digital image resolution conversions so coworkers and auditors can reproduce your results.