Calibrating Biometric Coordinates...
Benchmark your facial proportions against Leonardo da Vinci's Vitruvian Phi (1.618) with interactive caliper measurements.
Keep face level and expression neutral for millimeter precision
JPG, PNG, or WEBP • Processed locally via WebAssemblyThe Golden Ratio ($\Phi = 1.618$) has been revered from classical antiquity through the Renaissance. When applied to human facial topography, it calculates harmony across vertical thirds and horizontal transverse segments.
Measures forehead verticality from hairline to the brow ridge apex. Target balance is 33.3%.
Spans brow level to base of nose. Key indicator of midface compactness and nasal projection.
Philtrum down to chin tip. Sculpted and elongated naturally via precision mandibular beard styling.