™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.
Performs X, Y, R radius calculations and theta measurements. It includes -specific functions for ducting offsets and angle computations. Features dimensional math, geometry, and trigonometry tools for precise construction calculations.
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.
Calculate arc dimensions including radius, length, width, height, apothem, angle, and area. Input any two values to derive the rest. Useful for carpenters, architects, and engineers. Supports complex mathematical calculations.
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
Calculate staircase dimensions with precise formulas. Input riser height and step depth to determine going, stringer, and base lengths. Choose units from mm, cm, or inches.
Calculate risers, run, angle, length, step height, tread depth, and number of steps. Adjust parameters for customization. Switch between Imperial and Metric units. Email or text results as needed.
Provides calculations for DIY and tasks. Users can convert units and solve equations using decimal or fractional inputs. Save calculations, organize favorites, and email inputs and results for sharing.
Sheet Metal allows users to generate patterns for cones and other complex shapes. Input dimensions and material properties to calculate angles and layout dimensions. Export results for fabrication use.