Apps Like HamAntCal for iPhone and iPad
Calculate antenna lengths in feet or metric
Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
HamAntCal screenshots
Ranked alternatives
Showing 601–620 of 1,000 ranked alternatives.


I Can Convert It
Telphasa Limited
Units, currencies, and angles
Units of angle, area, and other categories. Switch between degrees, radians, grads, and more. currencies online or offline. Add new categories based on user requests. Sync results and share conversions.






Construction Calculator °
Nikhil Kumar
Calculate measurements, angles, and dimensions precisely
Calculate angles, measurements, and dimensions with precision. Input values to determine area, volume, and slope. Convert units and perform trigonometric calculations. Save and share results for project reference.



iCalc Math
Dae-Hyeon Kim
Calculate, solve, and analyze problems
Perform complex calculations with memory, power, square root, logarithmic, and factorial functions. Access over 30 trigonometric functions and advanced scientific operations. Convert between decimal, binary, hexadecimal, and octal systems.


Hydraulics and Waterworks lite
V PUGAZHENTHI
Calculate and convert parameters
Calculate hydraulic parameters such as capillary rise, viscosity, and hydrostatic pressure. Convert between metric and imperial units. Determine velocity head, specific energy head, and total energy. Assess head loss using the Bernoulli equation.

Swim Time Calculator
umimplavat.cz s.r.o.
Calculate pace with stroke rate and length
Calculate performance improvements by adjusting stroke rate and stroke length. Input current metrics to estimate reductions. Export data for analysis and track progress over sessions.


Digital BMI Calculator
LA5 DIGITAL LTD
Calculate BMI with metric or imperial units
Calculate BMI using metric or imperial units. Input height and weight to receive a score and classification. View BMI history and track changes over time. No ads or paid features.

NavCalc Dynamic
Richard Craddock
Calculate course and speed with current data
Calculate Course to Steer and Speed over Ground using heading, boat speed, current set, and drift. Input Magnetic Variation for True and Magnetic compass readings. Visualize heading, current vector, and course on a 360º compass.

GPS Field Area Measurement App
Harshaben Hirpara
Measure areas, track distances, calculate sizes
Measure distances between objects and calculate areas using GPS. Select units in Imperial or Metric systems. Determine property lines and export measurements in square feet, acres, or kilometers.


Tank Volume Calc Pro
阳 孙
Calculate liquid and generate dip charts
Calculate liquid volumes for horizontal cylinders, vertical cylinders, and rectangular tanks. Generate precise dip charts with customizable measurement increments. Export and share calculations and reference tables.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.