Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.
by Melchisedec Martinez Rodriguez★ 4.820 ratingsUtilitiesFreeData updated 2026-10-10
Calculate area by inputting width and length in feet, inches, or meters. Convert between imperial and metric units in real time. Determine quantity with gap size and waste percentage. Identify floor or wall based on dimensions.
Study lessons and practice exams for certification
Study for the EPA 608 exam with structured lessons on core concepts, Type I, II, and III sections. Practice with quizzes and exams. Track progress with built-in tools. Review detailed explanations for answers. Access study guides and flashcards.
Calculate pre- prices and percentages. Determine savings on products. Find reduced prices and compare original costs. Input values to receive accurate results.
Determines cubic yards and hot mix tonnage. Input length, width, and thickness in feet or meters. Choose units for imperial or metric. Calculate results with a single tap.
Monitor solar power generation with real-time and historical data visualized in charts. Track inverter performance and energy output. Receive alerts for system status changes. Control and manage rooftop photovoltaic systems remotely.
Track vehicle by entering distance traveled and gasoline volume. Calculate fuel economy in metric, U.S., or Imperial units. View all gasoline usage data on a single page.
Helps users determine details by entering an IP address and selecting CIDR notation or mask. It displays network address, broadcast address, usable hosts, and mask. Users can quickly analyze ranges and validate configurations.
Calculate differences and totals with precise hour, minute, and second tracking. Add or subtract intervals. Convert between decimal and standard formats. Export results as text or copy to clipboard.
Calculate values using formulas and code-compliant results. Determine wire, conduit, fuse, and ground sizes based on Canadian Electric Code. Track load calculations, voltage drops, and system efficiency.
Calculate parameters like voltage, current, and turns ratio. Determine step-up or step-down operation. Input known values to solve for unknowns. Perform calculations for turns ratio based on voltage and current.
Monitor energy storage systems in real-time with instant insights into operational status and power levels. Track energy usage and power levels. Access detailed performance data and system diagnostics.
Calculate monthly or daily targets to meet a specific within a set time frame. Input price per product or service and adjust variables to determine required volume. Export results for tracking and analysis.
Convert units between different systems with a simple interface. Perform basic and advanced calculations. View and switch between time zones with an intuitive world clock.