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 payments with options for weekly, bi-weekly, or monthly schedules. Determine taxes, upfront payments, total amount, interest, and total cost. Adjust payment amounts and view detailed breakdowns.
Convert values between units in 22 categories including acceleration, angle, area, and data storage. Support currency exchange for 160 currencies. Search units by category or globally. Bookmark frequently used conversions.
Calculate dew with temperature and humidity inputs
Calculate dew temperature using air temperature and relative humidity. Convert results to Kelvin, Celsius, or Fahrenheit. Input values manually for accurate calculations.
Calculate solar system requirements by inputting power consumption and daily sun hours. Size solar panels, battery bank, and charge controller based on energy needs and sunlight availability.
Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.
Estimate volume for a given area. Calculate required ready-mix bags. Input dimensions to determine quantities. Provide clear results for construction planning.
Calculate payments with weekly, bi-weekly, and monthly options. Input taxes, insurance, and utilities. Estimate interest savings from higher payments. View amortization schedules. Save and compare multiple calculations. Sync to iCloud.
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.
Calculate heating and cooling requirements based on room size and climate data. Estimate monthly energy costs and consumption. Set custom temperature schedules and adjust base temperatures. Compare different system types for installation.
Perform calculations with a standard , convert currencies, calculate tips, and compute taxes. Input numbers and operators to get results. Share calculations via email.
Perform basic and advanced calculations with large, illuminated buttons. Use the scientific for 30 functions. Convert units, calculate loans, and determine tips. Includes standard, scientific, unit converter, loan, and tip calculators.
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.