Apps Like Rafter Help for iPhone and iPad
Calculate roof pitch and length
Calculate length and associated values for gable roofs. Input room width and ridge height to determine pitch, lengths, and ridge height. Use advanced options to enter pitch in radians, degrees, DMS, or rise/run.
Rafter Help screenshots
Ranked alternatives
Showing 581–600 of 1,000 ranked alternatives.
Magna Calc
Greg Paskal
Calculate magnification and apply Barlow lens adjustments
Calculate magnification using telescope and eyepiece focal lengths. Input values in millimeters. Include 2x to 5x Barlow lens options. Perform calculations for amateur and professional astronomers. Display results directly.
CraftCalc
Yong Tze Chi
Calculate fractions and mixed numbers
Calculate fractions and mixed numbers without converting to decimals. Perform addition, subtraction, multiplication, and division. Convert between fractions and decimals. Input measurements for precise calculations.
Propeller Calc
Frode Rorvik
Calculate pitch, gear ratio, RPM, and speed
Calculate pitch, gear ratio, RPM, slip, and speed by inputting any four variables. Toggle to select the parameter to compute. Provides precise mechanical and propulsion-related calculations.
Spur Gear Calculator
SpiralArm Consulting Limited
Calculate spur gear dimensions and ratios.
The app calculates the Outside Diameter, Centre Distance, and Ratio of spur gears. It uses the gear systems and number of teeth for these calculations.
WARDFLEX Jobsite Assistant
ASC Engineered Solutions, LLC
Access sizing charts and determine tubing size
Access sizing charts and use a slide rule calculator to determine ® tubing size. Input gas type, supply pressure, pressure drop, and run length to calculate flow capacity for different tube sizes.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.