NPKalc - Fertilizer Calculator app icon

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.

by Barton Cone★ 4.39 ratingsUtilitiesFreeData updated 2026-09-06

NPKalc - Fertilizer Calculator screenshots

Ranked alternatives

Showing 561–580 of 1,000 ranked alternatives.

  1. GDT Salary Tax Calculation app icon

    GDT Salary Tax Calculation

    General Department of Taxation

    Calculate tax on and benefits

    Calculate tax on and fringe benefits for monthly taxable income. Input employee details to determine tax amount or tax base. View deductions and withholding information. Export results for record-keeping.

    ★ 4.76 ratingsFinanceFreeData updated 2026-09-09
  2. MicroWave Calculator app icon

    MicroWave Calculator

    Keysight Technologies, Inc

    Calculate measurement errors

    Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.

    ★ 2.45 ratingsBusinessFreeData updated 2026-09-08
  3. Square Yards Calculator app icon

    Square Yards Calculator

    Anna Filobok

    Convert units, calculate area instantly

    Calculate area by entering width and length in centimeters, meters, inches, feet, or . Convert between imperial and metric units in real time. Output results in centimeters, meters, feet, or .

    ★ 5.06 ratingsUtilities$1.99Data updated 2026-09-06
  1. Batch Mix app icon

    Batch Mix

    Stat Central LLC

    Mix water and bleach for proper concentration

    Calculate the required amount of bleach and water for a to achieve a specific Sodium Hypochlorite concentration. Input total volume and desired percentage. Display measurements in liters and milliliters. Save and share mixing instructions.

    ★ 4.37 ratingsBusiness$0.99Data updated 2026-09-06
  2. Fuel Calculator: MPG Converter app icon

    Fuel Calculator: MPG Converter

    David Verbenyi

    Convert units and calculate efficiency

    Convert efficiency between MPG and L/100 KM by entering amount and distance. Calculate journey cost with price per litre or gallon. Save conversion history for future reference.

    ★ 5.07 ratingsUtilities$0.99Data updated 2026-09-14
  3. Heyyy app icon

    Heyyy

    Grigonis Brothers Software LLC

    Fill screen with text

    Full-screen text display with portrait and landscape support. Save multiple messages. Smart word wrapping adjusts text layout. Reorder messages by dragging. Edit messages with double tap. Share messages as images.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-14
  4. BMI, BMR, Body Fat Calculator app icon

    BMI, BMR, Body Fat Calculator

    Tevfik Yucek

    Calculate BMI, BMR, and fat percentage

    Calculate BMI, BMR, and fat percentage with instant results. Input personal details to get accurate measurements. Track health metrics over time for better understanding. Share results with healthcare providers if needed.

    ★ 4.89 ratingsHealth & FitnessFreeData updated 2026-09-06
  5. Beam Sections Profiles app icon

    Beam Sections Profiles

    Victor Bovio

    Consult cross for global standards

    Consult cross for American, European, Indian, Korean, and Australian standards. View profile dimensions and key properties. Calculate weight using standard materials. Export data to CSV for external use.

    ★ 4.910 ratingsReferenceFreeData updated 2026-09-06
  6. iUnit Measurement Conversion app icon

    iUnit Measurement Conversion

    Black Cat Systems

    Convert between 1650 units easily.

    The app converts between 1650 different units in 57 categories. Users can convert units for acceleration, area, energy, mass, temperature, time, and volume.

    ★ 3.76 ratingsReference$2.99Data updated 2026-09-10
  7. Callie - All in One Calculator app icon

    Callie - All in One Calculator

    The Clairos Group, LLC

    Calculate, convert, plan, and track

    & Math Tools • Classic with basic and advanced functions • Financial tools for loan payments and savings planning • Unit conversion for measurements and currencies • Tip calculation and percentage functions • Offline use without internet

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  8. x2y app icon

    x2y

    Joseph Cieplinski

    Calculate aspect ratios for resizing

    Calculate image and video dimensions based on aspect ratios or percentages. Input original size or ratio and desired dimension. Output new width, height, and percentage. Auto-adjust for resizing tasks.

    ★ 5.08 ratingsProductivityFreeData updated 2026-09-08
  9. Concrete Estimator/Calculator app icon

    Concrete Estimator/Calculator

    Evan Winograd

    Calculate volume for construction projects

    Calculate volume for foundations, slabs, and structural elements. Input dimensions in feet, inches, or metric units. Automatically compute required quantity. Display results in cubic yards or cubic meters. Save and share calculations.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  10. TwoCycleGas app icon

    TwoCycleGas

    Robert Linser

    Calculate fuel mix for 2-cycle engines

    Calculate fuel and oil mix ratios for 2-cycle engines. Input fuel volume and desired ratio to determine precise oil amount. Adjust settings for different engine types and environments. Save frequently used mix configurations.

    ★ 5.03 ratingsUtilities$1.99Data updated 2026-09-06
  11. MegaCalcBox - Multi Calculator app icon

    MegaCalcBox - Multi Calculator

    Kind Park LLC

    Calculate finances, track health, plan travel, manage

    Perform complex calculations with 35+ professional calculators covering finance, health, travel, and utilities. Input values, view examples, save favorites, and get instant results. Switch between dark and light modes. No advertisements.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-08
  12. Hydraulic Pressure Calculator app icon

    Hydraulic Pressure Calculator

    Tan Chia Ling

    Calculate force with and diameter

    Calculate force using and piston diameter. Input values in multiple units. Display results with up to 16 decimal places. Copy results to other apps. Include formulas for reference. Optimized for efficient use.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-15
  13. Flat Pattern Calculator app icon

    Flat Pattern Calculator

    Imran Pinjara

    Calculate patterns for fabrication and manufacturing

    Calculate patterns for fabrication, piping, pressure vessels, and industrial manufacturing. Input dimensions and select shapes to generate accurate layouts. Export measurements and share results directly.

    ★ 0.00 ratingsUtilities$14.99Data updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.