Apps Like Ratio Calc! for iPhone and iPad
Radio control car ratio calculator tool.
The app calculates final drive ratio and rollout for radio control cars. Users can select cars by manufacturer and model, inputting pinion and spur gear sizes.
Ratio Calc! screenshots
Ranked alternatives
Showing 321–340 of 1,000 ranked alternatives.
Greenheck Toolbox
Greenheck Fan Corporation
Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
HVAC Duct Sizer
Carmel Software Corporation
HVAC duct sizing analysis application tool
The app sizes HVAC duct runs or a range of duct sizes using the constant friction method. Users can input airflow, dimensions, or a range of sizes to calculate results in English or Metric units.
FredRest
Nathan Luksik
Calculate crew rest schedules based on flight
Calculate crew rest schedules by inputting flight start and end times, transition time, and number of rest blocks. For 3 blocks, click "Calculate" to generate the schedule. For 4 blocks, specify short and long block durations before calculating.
Bearing Pilot
Alejandro Martinez de Carvajal
Sailors' tool for bearings and navigation.
The app provides tools for sailors to take apparent bearings, showing the bearing taken, target course, and wheel correction. It also offers speed, real-time position, and assistance in determining wind direction.
Angle & Ratio
Medic Engineering K.K.
Measure angles and ratios from pictures.
The app allows users to measure angles and ratios from pictures. Users can adjust segments on an image to determine angles of body parts or inclinations.
x2y
Joseph Cieplinski
Calculate aspect ratios for resizing
Calculate image and video dimensions based on aspect ratios or percentages. Input original size or ratio and desired dimension. Output new width, height, and percentage. Auto-adjust for resizing tasks.
Span Calc
American Wood Council
Calculate wood joist and rafter spans.
The app calculates spans for wood joists and rafters using softwood and hardwood lumber data. It determines maximum horizontal spans for common loading conditions and allows comparison of multiple species and grades.
Coffio
Travis Saylor
Brew coffee with precise ratios
Calculate coffee brew ratios with precise measurements and unit conversions. Track brewing time and total liquid volume. Switch between light and dark mode for comfortable use. Adjust settings for different brewing methods.
Halcyon Calc
Halcyon Touch Software
Calculate and solve equations
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
Octopics
Yushi Yan
Resize photos for social platforms
Resize photos while preserving the ratio of main objects using content-aware rescaling. Crop or adjust dimensions without losing important content. Export edited images in various formats.
Color mixing guide
SHIGEYUKI TAKAHASHI
Take a picture, mix colors, track percentages
Displays percentages for paint. Users take a photo, touch a point to identify the target , and view the required ratios of cyan, magenta, yellow, black, and white to achieve that . Provides a for plastic model painting.
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