Base Number System Converter
Convert Decimal, Binary, Hex, and Octal formats with interactive 16-bit register controls.
Interactive 16-Bit Register Bitboard
Manually trigger individual electronic switches. Toggling a bit box instantly calculates the underlying 16-bit register value:
The dec character 42 translates to ASCII character: *
Explore Additional Utilities
Rope elongation — fall factor ↔ impact force
Calculate fall factors, dynamic rope elongation, and peak impact force on the anchor system during climber falls.
Paint Coverage Calculator
Estimate the gallons or liters of paint needed based on area and number of coats.
Engine power ↔ hull speed — planing vs displacement
Estimate maximum displacement hull speeds (LWL formula) or calculate planing hull speeds using Crouch's classic marine formula.
Bread Dough Hydration Calculator
Convert between flour weight, water weight, and hydration percentages for perfect baking doughs.
Seed Sowing Rate Estimator
Calculate seed sowing rates based on target populations, thousand-kernel weight (TKW), and field survival ratios.
Propeller pitch ↔ boat speed — theoretical boat speed
Calculate theoretical boat speed and actual speed based on propeller pitch, engine RPM, gear ratio, and hull slip percentages.
Alcohol by Volume & Proof Converter
Convert between alcohol by volume (ABV), proof, and standard alcohol units for drinks and home brewing.
Fuel burn rate — engine HP ↔ liters per hour
Calculate marine engine fuel consumption (liters/hr or gal/hr) using Brake Specific Fuel Consumption (BSFC) or standard marine power constants.
Displacement tonnage ↔ cubic meters — ship buoyancy
Convert ship displacement tonnage to submerged volume (m³) and buoyancy force. Choose between freshwater and saltwater standards.
Fabric & Thread Density Calibrator
Analyze fabric weights, compare cotton single-ply thread counts, and calculate textile density.
Hot water demand — occupants ↔ liters per hour needed
Estimate peak hot water demand in liters per hour and size standard water heater tanks or tankless flow rates.
Refrigerant charge — system size ↔ kg of refrigerant
Estimate split system factory and added line set refrigerant charge adjustments using liquid tube diameters.
Chart Scale Converter
Convert map dimensions in millimeters to real-world marine navigation distances or vice versa based on nautical chart scale.
Egg Size Converter
Convert egg counts and liquid weights across standard small, medium, large, and extra-large eggs.
Manuscript Page Formatter
Estimate approximate published book page count from total word count and format specs.
Current Speed Converter
Convert tidal, ocean, and river current speeds between knots, meters per second (m/s), and kilometers per hour (km/h).
Audio Dynamic Range Calculator
Estimate dynamic range in decibels (dB) and quantization levels for any bit depth.
Drain slope — mm per meter ↔ inches per foot
Convert drainage slope units and calculate vertical height drops across horizontal sewage pipes run lengths.
Capacitor & Inductor Codes
Convert between capacitance and inductance units, and decode SMD/3-digit codes.
NPK Fertilizer Blend Designer
Calculate exact commercial fertilizer weights (Nitrogen, Phosphate, Potash) required to hit crop nutrient targets.