Calculate voltage drop for electrical circuits up to 600V. Input custom voltages and system parameters. Output detailed results including conductor size, length, and resistance. Assist in verifying electrical system performance and safety.
by Nebulous LLC★ 5.04 ratingsUtilitiesFreeData updated 2026-09-06
Calculate confidence intervals for survey data. Input sample size and percentage to determine accuracy range. Compare two percentages to assess statistical significance. Determine required sample size for desired accuracy.
Monitor battery status with real-time voltage, current, power, and internal resistance readings displayed as gauges and numerical values. Track battery data using timeline charts.
Water pump, air pump, and underwater light in the spa. Set temperature, heating time, and filter time. View real-time and historical energy consumption data including voltage, current, and power.
Manage enterprise security systems remotely by opening, pulsing, locking down doors, buildings, and the entire system. View system, controller, input, and output statuses. See a list of people in the system and receive real-time updates.
Calculate teeth and speed for systems using provided formulas. Input values to determine sun, planet, and ring teeth. Simulate interactions and preview system behavior before 3D printing.
Configure M2M devices remotely by adjusting notification settings, switching event formats, and enabling or disabling features. Manage system parameters and access device data through an administrative account.
Calculate workers' compensation ratings based on Part of Body, Age, Occupation, and DFEC. Generate rating strings and adjust WPI automatically. Compute Permanent and Temporary Disability liabilities.
Explore efficiency with a 3D simulation of an electric setup. Adjust variables like voltage and resistance. Measure power output and consumption. Save and compare experimental results. Export data for analysis.
Access sizing charts and use a slide rule calculator to determine ® tubing size. Input gas type, supply pressure, pressure drop, and run length to calculate flow capacity for different tube sizes.
Calculate volumes for trenches with vertical walls, slope trenches, and round wells with slopes. Input dimensions and select type. Generate detailed volume reports and export results in various formats.
Calculate volume for foundations, slabs, and structural elements. Input dimensions in feet, inches, or metric units. Automatically compute required quantity. Display results in cubic yards or cubic meters. Save and share calculations.
Perform basic calculations including addition, subtraction, multiplication, and division. Calculate percentages and use nested expressions. View full equations and intermediate results. Access a history of 25 recent calculations.
Calculate rates for liquids and gases using plates. Select from fifteen common industrial fluids. Input standard parameters to compute based on industry models. View results for design and analysis purposes.
Convert units across 8 including length, weight, thermal resistance, and magnetism. Switch between metric and imperial systems. Save frequently used conversions. Export results as text or image.
Split bills evenly or assign individual amounts. Calculate tips with customizable percentages. Split total including tip among group members. Share results via text or email. No ads or subscriptions.