Depth of Field (DoF)
Model near/far sharp limits, depth of focus band, and front/back sharpness distribution.
Explore Additional Utilities
Pump Efficiency Calculator
Calculate pump efficiency and hydraulic power based on volumetric flow rate, head height, fluid density, and input shaft power.
SWOLF score — strokes + seconds per length
Calculate and track your SWOLF efficiency score based on lap time and stroke count for various pool lengths.
Pediatric Dosing Calculator
Estimate pediatric dosages from adult recommendations using standard pediatric clinical rules: Clark's, Young's, Webster's, Fried's, and BSA methods.
Diopter ↔ Focal Length Converter
Convert between lens diopters and focal length in meters, millimeters, or inches, and calculate eyeglass lens power requirements.
Viscosity Converter
Convert dynamic and kinematic viscosity between centipoise (cP), centistoke (cSt), Saybolt Universal Seconds (SSU), Pa·s, and m²/s.
Species-Specific Drug Dosing
Calculate animal weight-based dosages, target mg requirements, and liquid volumes across different species: dogs, cats, horses, cattle, and rabbits.
Head Pressure Converter
Convert between hydrostatic head pressure (meters or feet of water) and fluid pressures like bar, PSI, Pascals, and atmospheres.
Cosmic Distance Converter
Convert huge distances across Light Years, Parsecs, Astronomical Units, and Kilometers.
USCS Soil Classification Solver
Classify soil type under the Unified Soil Classification System (USCS) using sieve analysis and Atterberg limits.
Visible light transmittance ↔ tint level
Calculate Visible Light Transmittance (VLT) performance ratios and visual interior glare profiles.
Maritime & Aviation Speed
Convert maritime knots, airspeed parameters, and hourly nautical coordinates.
R-value ↔ U-value — insulation thermal resistance
Convert between R-value thermal resistance and U-value heat transmittance with preset materials lookup.
Spring rate — lb/in ↔ N/mm — suspension setup
Convert suspension coil spring stiffness between lb/in and N/mm. Estimate coil spring rates using wire diameter, coil diameter, and active counts.
Water resistance — ATM ↔ bar ↔ meters depth rating
Convert water pressure tolerances across ATM, Bar, and depth meters. Understand safe real-world water sport activities.
ISO Week Number ↔ Calendar Date
Calculate ISO 8601 week numbers, week dates, and determine start/end weekdays of any given week year.
Premium Rate ↔ Sum Insured
Calculate basic insurance premium rates, loading factors, and sum insured relationships (percentage, permille, and absolute values).
Recycling Weight & Resource Savings Calculator
Convert quantities of recycled materials (plastic, glass, paper, aluminum) into greenhouse gases, water, and landfill space saved.
JSON Formatter
Format, validate, beautify, and minify your JSON data structures in real-time.
Mechanical Power (W ↔ hp)
Convert physical engine horsepower ratings, mechanical draft forces, and electric wattages.
Steel grade equivalents — ASTM ↔ EN ↔ JIS standards
Cross-reference standard steel grades across ASTM/AISI, EN/DIN, and JIS systems. Includes chemical composition and key mechanical limits.