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
Voltage Divider Designer
Calculate output voltage, resistor ratios, and locate standard E24 resistor values for divider networks.
Screen mesh count ↔ ink deposit thickness
Calculate screen printing wet ink layer thickness and emulsion coats based on screen mesh count and thread diameter.
Cooling & HVAC Power (BTU/h ↔ W)
Compare heating, cooling, and air conditioning power capacities with corresponding watt ratings.
Angular Motor Rotation
Determine crankshaft engine RPM, radian ratios, and angular physical velocities.
Radioactive Decay Half-Life
Estimate remaining isotope amounts and decay timelines from standard half-life periods.
Heat Index Feels-Like
Assess felt air heat indexes using ambient temperature and relative humidity thresholds.
US Inflation Adjuster
Evaluate historical purchasing power changes in the United States using official CPI records.
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Navy Body Fat Estimator
Estimate body fat percentage using standard US Navy circumference measurements.
dB gain ↔ power ratio — amplifier and antenna specs
Convert logarithmic decibels (dB) to linear power and voltage ratios, or translate absolute power in Watts to dBm.
Water cement ratio ↔ compressive strength
Estimate 28-day concrete compressive strength from the water-cement (W/C) ratio using Abrams' Law, or solve for desired strengths.
Honey yield — hive strength ↔ kg per season estimate
Estimate seasonal honey surplus production based on hive workforce size and local floral nectar flow conditions.
Blood Glucose Converter
Convert blood glucose levels between mmol/L and mg/dL, with diabetic range assessments and HbA1c approximations.
Grout coverage — tile size ↔ joint width → bags needed
Estimate dry grout requirements based on tile dimensions, joint width, joint depth, and overall surface area.
Prism Power Converter
Convert ophthalmic prism power between prism diopters (PD) and degrees of deviation, with light bending estimations.
Recycling Weight & Resource Savings Calculator
Convert quantities of recycled materials (plastic, glass, paper, aluminum) into greenhouse gases, water, and landfill space saved.
Carton CBM ↔ Container Capacity
Convert carton dimensions to Cubic Meters (CBM) and calculate carton capacity for 20ft and 40ft shipping containers.
Dye concentration — wax weight ↔ color chips needed
Determine dry color chips or fluid dye drops needed based on total wax weight and target color depth.
USCS Soil Classification Solver
Classify soil type under the Unified Soil Classification System (USCS) using sieve analysis and Atterberg limits.
Superfat percentage — excess oil ↔ skin conditioning level
Calculate excess unsaponified superfat oils and skin-conditioning moisture metrics.