Apps Like NPKalc - Fertilizer Calculator for iPhone and iPad
Calculate doses and units
Calculate requirements for granular and liquid types using various unit measurements. Input soil test results and desired nutrient levels. pplication rates for lawns, gardens, and crops. Export results for record-keeping.
NPKalc - Fertilizer Calculator screenshots
Ranked alternatives
Showing 741–760 of 1,000 ranked alternatives.




Moments of Inertia
Joel Hobbs
Calculate beam section properties quickly and easily.
The app calculates beam section properties such as moments of inertia, area, and centroids. Users can select geometries, input dimensions, and view generated answers with formulas, then email or print results.


Solar Pv Calculator
Adovee Consulting AB
Calculate PV panels and batteries
Calculate system requirements by inputting energy demand, hours, and system specs. Determine optimal PV panel and battery quantities. Generate detailed reports for system efficiency and cost estimation.


CalculatorLib - All in One
Hai Le Phu
Calculate, organize, and analyze data
Perform calculations using 500+ specialized tools across math, finance, health, time, geometry, and unit conversions. Input values and get precise results. Organize calculators into categories for easy access.


Tonnage Calculator
Joe Scrivens
Convert M3 to Metric Tons easily.
The app converts M3 to Metric Tons for ordering asphalt and aggregates. It calculates tonnage based on user-inputted measurements and includes a concrete calculator.


Compound Interest Calculator P
owen, Inc.,
Calculate contributions and track growth
Calculate future asset growth by inputting initial principal, regular contributions, and rates. Simulate withdrawals and track principal, , and balances over time. View visual graphs and tables for detailed growth analysis.


RetroCalc - Calculator
Nimmi Patel
Calculate, edit, and save equations
Calculate complex equations with a clean, intuitive interface that supports multiple input methods. Perform unit conversions, graph functions, and save calculation history. Access scientific formulas and use a dark mode for better visibility.



Instant Compound Calculator
Shun Isayama
Calculate interest instantly
Calculate interest with precise results. Input principal, monthly contribution, annual rate, and years to compute accumulation. Display results instantly with clear visual output. Track growth over time with detailed breakdowns.
How we rank alternatives
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