This tool quickly calculates roof pitch by converting between imperial and metric units. Input rise and run in various measurements to instantly get pitch in degrees, radians, percentages, or x:12 format.
3.3(7 ratings)
FreeIn-App Purchases
Best Radiator / BTU Calculator alternatives: apps like Radiator / BTU Calculator
44+ similar apps compared and reviewed
4.5 avg rating
10 free apps
Updated November 2026
Radiator / BTU Calculator is great, but it's not the only option. Explore 44+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to Radiator / BTU Calculator
Pipe Flow Wizard - Calculator by Pipe Flow Software
Flow Rate & Pressure Loss CalcStrong Contender
馃敡 Utilities
4.6(103 ratings)
FreeIn-App Purchases
Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.
Tone Generator: Frequency App by Tevfik Yucek
Hearing Test, Speaker CleanerWorth Considering
馃敡 Utilities
4.8(139 ratings)
FreeAdsIn-App Purchases
Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.
