Robotics & Automation
Standardized engineering calculators for stepper motor pulsing, PWM actuator signals, gearboxes, high-resolution encoders, and linear throughput loops.
1. Gearbox Configuration
2. Input Mechanical Specs
Explore Additional Utilities
Speed to fly — polar curve ↔ McCready interthermal speed
Calculate the optimum speed to fly between thermals based on the glider polar curve, expected next thermal climb rate, and headwind/sink.
Refractive index ↔ critical angle — fiber optic design
Determine the boundary reflection critical angles and Fresnel reflection losses for Total Internal Reflection.
Marine Fuel Consumption Estimator
Estimate marine engine fuel consumption in liters per hour at given RPM values using theoretical propeller law curves.
Drain slope — mm per meter ↔ inches per foot
Convert drainage slope units and calculate vertical height drops across horizontal sewage pipes run lengths.
NPK Fertilizer Blend Designer
Calculate exact commercial fertilizer weights (Nitrogen, Phosphate, Potash) required to hit crop nutrient targets.
Hyperfocal Distance Calculator
Calculate hyperfocal distance, near sharp limit, and depth of field range starting point for any focal length, aperture, and sensor format.
URL Slug Generator
Generate clean, hyphenated, SEO-friendly slugs from any string with custom separators.
Column Grid Sizer
Calculate layouts, column widths, gutters, and page grids in picas, mm, or inches.
Semitones & Pitch Intervals
Convert pitch ratios to semitones and cents, and calculate frequency intervals.
Weight Converter
Convert between kilogram, gram, pound, ounce, stone, and other mass units.
Bleed & Margin Helper
Convert print bleed and margins, and calculate print-ready canvas sizes for offset printing.
International Hat Size Matcher
Convert hat dimensions across US, UK, and European standards.
Current Speed Converter
Convert tidal, ocean, and river current speeds between knots, meters per second (m/s), and kilometers per hour (km/h).
Unix Epoch Converter
Convert Unix epochs (seconds/milliseconds) to human-eye standard DateTimes, and transform local dates to Epoch times.
Bread Dough Hydration Calculator
Convert between flour weight, water weight, and hydration percentages for perfect baking doughs.
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Cable run — signal type + length → gauge required
Compute copper loop line resistance, voltage drop, and power loss to recommend the optimal wire gauge size (AWG).
JSON Formatter
Format, validate, beautify, and minify your JSON data structures in real-time.
Magnetic Declination
Estimate compass alignment values and offset angles between magnetic north and true north.
Base64 Encoder
Encode textual strings to Base64 format, or decode Base64 back to raw text.