Hydraulic Hose Dash Size Calculator & Conversion Chart

Convert hydraulic hose dash sizes instantly with our free calculator. Dash sizes like -4, -6, -8, and -12 represent hose inner diameter in 1/16" increments. Use our interactive converter to find exact measurements in inches, millimeters, and fractional equivalents. Features include: Dash Size Converter with quick-select buttons, PSI/Bar/MPa Pressure Converter, Interactive Sizing Wizard for equipment-specific recommendations, and Complete Reference Chart with 14 dash sizes from -2 to -48. Perfect for hydraulic technicians, equipment operators, and mechanics ordering replacement hoses. Need hydraulic hose repair or custom fabrication? Frontline mobile technicians are available 24/7.