About Pixel per inch (ppi) to Samples per inch (spi) Converter - Digital Resolution

This tool helps you convert Pixel per inch (ppi) to Samples per inch (spi) using accurate standards and digital imaging metrics.

Formula: 1 Pixel per inch (ppi) = 1.0 Samples per inch (spi) | Formula: Samples per inch (spi) = Pixel per inch (ppi) × 1.0