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 481–500 of 1,000 ranked alternatives.


Lateral Pipe Calculator
Kevin Morneault
Calculate piping connections for fabricators.
The app calculates piping connections for pipefitters, welders, and fabricators. It provides outputs in fractions or decimals, with options for 8, 16, 32, or 64 ordinate lines for template creation.

DPC Tools
Diamond Plastics Corporation
Calculate buoyancy and external load
Buoyancy Calculator determines buoyancy force of PVC pipe during construction and post-installation. Users select pipe type from dropdowns, input specific gravity, and calculate buoyancy. Results can be printed.

Pipe Flow Liquid Flow Rate
Daxesoft Ltd
Calculate with pressure loss data
Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.

Base Converter Simple
Pierluigi Solimena
Convert numbers between decimal, binary, hexadecimal,
Convert numbers between decimal, binary, hexadecimal, and octal systems. Input integers from 0 to 2^31-1. Perform conversions in both directions. Display results in selected number formats.

A Sales Tax Calculator
Rooster Glue, Inc.
Calculate tax, apply discounts, and get total
Calculate tax and discounts in real time as values are entered. Determine subtotal and total price. Reverse calculate original price from final total. Displays formatted financial results.

Pipe Working Pressure Calc
Tan Chia Ling
Calculate , thickness, and diameter
Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.

Wireline-Calcs
Vadim Fattakhov
Calculate tension, track depth, determine pressure balance,
Calculate maximum safe tension, determine wellhead pressure balance, and find keyseat location. Compute cable elongation and pull limits at depth. Adjust lengths for temperature changes.



Paley Growth
Eric Townsend
Predict limb length and discrepancy.
The app predicts limb length and discrepancy at maturity using the Paley Multiplier method. It calculates predictions for congenital and developmental discrepancies, epiphysiodesis age, and growth remaining.







Scientific Calc
Hannes Sverrisson
Calculate with functions and swipes
Calculator offers advanced functions including exponents, logs, and sinus operations. Swiping accesses different function categories. Large buttons for easy input. Landscape view reveals additional functions. Balloon help provides guidance.


Concrete Calculator Pro
Vaghani Keyur
Calculate volume and cost
Calculate quantities by entering project dimensions and selecting units. Choose between cubic yards, cubic meters, or tons. Adjust for waste and view detailed breakdowns. Export results and share with team members.
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