Showing 1–20 of 1,000 ranked alternatives.
The App Tower Inc.
Calculate with 80 themes to choose
A with customizable themes allows users to select from multiple visual styles. Perform basic and advanced calculations. Switch between light and dark modes. Adjust font size and color schemes.
Claude JOSEPH ANGELIQUE
Measure car power and torque with acceleration
Measure a car's engine power and torque with 2% accuracy using acceleration tests. Track 0–60 mph and 0–100 km/h times. Compare performance before and after tuning or upgrades. Export data for analysis.
Alex Yakauleu
Calculate, tap, and track results
A with basic arithmetic functions and a history bar for tracking previous inputs. Supports rotation and theme customization. Includes haptic feedback for 7 and later. Loads quickly and runs without fullscreen ads.
Thomas VanSlambrouck
Wire subwoofers, calculate cone area, suggest amplifier
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
7th Gear
Customize appearance and layout
Lets users switch between basic and scientific modes with over 30 operations. Customize leather color and background texture on iPad. Use portrait or landscape orientation on iPad. Take notes or draw on the screen.
iTrinity, Inc.
Calculate engine specs on the go
Provides tools for calculating engine-related metrics. Users can compute actual volume flow, air density, BHP loss, compression height, compression ratio, corrected BHP, and cylinder displacement.
Yan Liong Tan
Convert units and currencies instantly
Convert units across multiple categories including currency, length, area, weight, and more. Switch between simple and carousel layouts. Automatically update currency exchange rates daily. Search for units from the home screen.
SuperDG Inc.
Calculate, edit, and track entries
Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.
Calc Hub, LLC
Calculate materials for projects
Calculate materials with 10 tools for gravel, soil, mulch, concrete, pavers, retaining walls, grass seed, sod, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters. Output results in US customary or metric units.
B&K Precision Corporation
Calculate electrical values instantly
Allows users to calculate electrical values with tools like Power, Delta-Wye, AWG, Voltage Drop, Ampacity, THD, Resistor Code, and LED Info. Users input component values to get results. The supports dark and light themes.
Calc Hub, LLC
Calculate needs in tons, yards, and meters
Estimate , stone, rock, sand, topsoil, and aggregate needed for projects. Calculate required amounts in tons, cubic yards, and cubic meters. Input dimensions and material type to get accurate estimates.
Bartosz Wieloch
Calculate wheel fitment and camber adjustments
Find vehicle wheel fitment using a calculator that includes camber adjustment. View and upload fitment details with specs and car images. Discover automotive sponsors to assist with vehicle builds.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Hangzhou Zhihui Xiaoming Technology Co.,Ltd.
Record calculations, customize prompts, simplify math
Perform calculations with a simplified interface and faster performance. Record and search calculation history. Customize prompt sounds and choose from multiple themes. Designed for use on iPad.
Calc Hub, LLC
Estimate and materials for slabs, walls, columns,
Estimate volume for rectangular, circular, and stepped slabs, footings, columns, walls, and steps. Calculate block and CMU quantities for walls. Estimate mortar mix materials and rebar amounts. Determine gravel needs for bases.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.