Electrical & Electronics Suite
Calculate Ohm's law, convert capacitance & inductance, size wires with AWG, design voltage dividers, and perform RF power (dBm) scaling.
Explore Additional Utilities
Fuel Efficiency Converter
Convert between miles per gallon (mpg), liters per 100km (L/105km), and km/liter conversions.
Lye calculator — oil weight ↔ NaOH ↔ KOH amount
Determine exact NaOH and KOH weights required for cold and hot-process soap formulation batches.
Wire feed speed ↔ amperage — MIG welding settings
Calculate MIG wire feed speed (WFS) and matching amperage. Includes gas recommendations and presets for steel, stainless, and aluminum.
Block count — wall area ↔ number of blocks needed
Calculate standard concrete masonry units (CMU) or clay bricks required for a wall, adjusting for joint widths and waste factors.
Engine displacement — cc ↔ cubic inches ↔ liters
Convert and calculate total engine volume in cc, cubic inches, and liters using cylinder bore, piston stroke, and cylinder count.
Mechanical Power (W ↔ hp)
Convert physical engine horsepower ratings, mechanical draft forces, and electric wattages.
MAC address formats — colon ↔ hyphen ↔ Cisco notation
Convert physical MAC addresses between IEEE colon, hyphen, Cisco dot format, and raw hex strings.
Angular Scales & Rotations
Convert degrees, radians, and gradians for geometric or angular rotations.
Shorthand speed — words per minute ↔ strokes
Analyze cursive shorthand writing velocities (Gregg, Pitman, Teeline) to compare stroke density limits and WPM targets.
Cooling & HVAC Power (BTU/h ↔ W)
Compare heating, cooling, and air conditioning power capacities with corresponding watt ratings.
pH adjustment — acid/alkali drops ↔ pH change estimate
Estimate acidifying or alkalizing solution amounts to safely adjust formulation pH values.
Halftone frequency — lpi ↔ dpi requirement
Calculate the necessary image resolution (DPI/PPI) for halftone printing line screens (LPI) and analyze grayscales.
Yeast pitch rate — batch volume + gravity → grams of yeast
Determine required yeast cell counts and dry yeast weight based on batch volume, wort gravity, and target pitch rates.
IPv4 ↔ decimal ↔ binary — IP address formats
Translate standard dot-decimal IPv4 addresses to raw decimal integers and 32-bit binary representations.
ND Filter Stops Converter
Convert ND filter labels (ND density, optical density, and stop reduction) and calculate long exposure shutter speed compensation.
Maritime & Aviation Speed
Convert maritime knots, airspeed parameters, and hourly nautical coordinates.
Ocean depth ↔ pressure — bar per 10 meters rule
Calculate hydrostatic and total pressure in the ocean based on depth, water density, and gravity constants.
Semitones & Pitch Intervals
Convert pitch ratios to semitones and cents, and calculate frequency intervals.
Optical density ↔ transmittance — filter blocking level
Convert between Optical Density (OD), transmittance fraction/percentage, and attenuation factors for safety glasses.
Data Storage Units
Convert digital storage capacity sizes across bits, Bytes, MB, GB, and Terabytes.