Calculate BTU, convert units, compare systems, estimate
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.
Showing 781–800 of 1,000 ranked alternatives.
Klaus Faber AG
Calculate diameters quickly
Calculate diameters based on electrical power, voltage, and current. Input parameters to determine required size. Access calculation formulas and reference tables. Export results for documentation.
SHIH CHIEH HUANG
Calculate quotes and estimates instantly
Calculate quotes and estimates with instant, real-time results. Input numbers and formulas for quick computations. Store and retrieve previous calculations. Adjust margins and taxes directly. Export results in multiple formats.
Addison Mai
Calculate fuel use and emissions
Calculate fuel consumption for usage and estimate carbon dioxide emissions based on input parameters. Track usage history and export data in various formats. Set emission reduction goals and monitor progress over time.
Joshua Manson
Calculate undulation with GPS coordinates
Calculate undulation using the EGM96 dataset. Input GPS coordinates to determine elevation differences between Mean Sea Level and WGS84 ellipsoid. Export results for further analysis.
Marouane Baid
Calculate payments and prepayments
Calculate monthly, bi-weekly, accelerated bi-weekly, or weekly payments. Compare payment schedules and visualize payment timelines. Input loan amount, interest rate, and term to determine total interest paid over time.
Castline Systems
Calculate electrical circuits on iPhone
The app calculates ring, radial, and lighting circuits wired in PVC cable up to 16mm. It performs checks for current carrying capacity, volt drop, correction factors, operating temperature, maximum Zs, and minimum cpc size.
Arch Square
Convert units across 14 categories simultaneously
Convert units across multiple categories including length, mass, volume, temperature, area, time, plane angle, pressure, frequency, energy, speed, fuel economy, data transfer, and digital storage. Open and manage multiple converters simultaneously.
Rakesh Bhadani
Convert and access tools with a tap
Convert across categories like area, storage, mass, length, time, temperature, and volume. Switch between life-related such as angle, energy, and pressure. Access science-based conversions for acceleration, force, and radiation.
Vladislav Zhirnov
Calculate and ratios
Calculate gear ratios and speeds by entering teeth. Determine length and tension. Select sizes and types. Export calculations as PDF or image. Compare setups for efficiency.
Muralidhar Shenoy
Energy conversion cycle analysis tool.
The app covers four energy conversion cycles for energy efficiency studies. It presents generic models of steady state energy devices with constant state properties for analysis.
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