The Engineers Field Toolkit

100 Essential Engineering Tools All tools are designed to run instantly on your iPhone with zero internet required. Core Categories Mechanical Engineering Torque & power calculators Beam deflection & stress tools Thermal expansion Gear ratios & pulley systems Pressure, force & area Electrical Engineering Ohm’s law & power calculators Voltage dividers Resistor & capacitor tools Battery life estimation Wire resistance Civil & Structural Concrete & material estimators Load & stress tools Slope & grade Tank & volume calculators Basic flow & pressure Math & General Engineering Unit conversions (full system) Scientific & geometry tools Ratios, interpolation & formulas Energy & physics calculators Density, velocity & more Designed for Real-World Use Engineer’s Field Toolkit is built like a precision instrument. Fast, instant calculations Clean professional dark interface Works completely offline All formulas visible Unit switching built in Favorites & recent tools No login required This is the app you reach for when you need answers immediately.