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 61–80 of 1,000 ranked alternatives.

  1. Panecal Scientific Calculator app icon

    Panecal Scientific Calculator

    Noriyasu Kutsuzawa

    Enter formulas and check calculations

    Is a that lets users input and edit formulas with a live display. It supports formula reuse, variable memory, and cursor navigation for precise editing. Users can check formulas for errors and adjust values efficiently.

    ★ 4.81,952 ratingsUtilitiesFreeData updated 2026-09-08
  2. Calculator for iPad + app icon

    Calculator for iPad +

    Beijing Free Calculator Technology Co., Ltd.

    Calculate, edit, and manage numbers

    Manage calculations with advanced functions, customizable themes, and unit conversions. Save frequently used equations. Export results as PDF or image. Access additional tools via in- purchases.

    ★ 4.33,616 ratingsLifestyleFreeData updated 2026-09-13
  3. Measure Master Pro Calculator app icon

    Measure Master Pro Calculator

    Calculated Industries, Inc.

    Solve U.S. and metric unit conversions.

    The app converts U.S. and metric units for measurements, including linear, area, and volume dimensions.

    ★ 4.94,284 ratingsUtilitiesFreeData updated 2026-09-16
  1. P-T Calculator app icon

    P-T Calculator

    National Refrigerants, Inc.

    Calculate pressure and temperature

    Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.

    ★ 4.852 ratingsReferenceFreeData updated 2026-09-13
  2. OneCalc: All-in-one Calculator app icon

    OneCalc: All-in-one Calculator

    tasser gyati

    Calculate, convert, and solve equations

    Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.

    ★ 4.65,075 ratingsProductivityFreeData updated 2026-09-14
  3. Pool-Calculator app icon

    Pool-Calculator

    Pool and Spa Resources, LLC

    Calculate chemicals accurately

    Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.

    ★ 4.1630 ratingsLifestyle$4.99Data updated 2026-10-06
  4. Calculator: No Ads / Ad-Free app icon

    Calculator: No Ads / Ad-Free

    Gary Cox

    Calculate budgets, mortgages, and loans privately

    Manage budgets, mortgages, and loans with compound interest and tip calculations. Use speech voice for accessible feedback. Keep equation history, view real-time results, and export data to email or CSV.

    ★ 4.74,126 ratingsUtilitiesFreeData updated 2026-09-06
  5. Calculator%. app icon

    Calculator%.

    Unicom TOV

    Calculate, add, subtract, multiply, divide

    A calculator with a large, easy-to-read display and simple buttons. Perform addition, subtraction, multiplication, and division. Features a clear layout and user-friendly design for everyday use.

    ★ 4.44,181 ratingsUtilitiesFreeData updated 2026-09-09
  6. ABV Calculator Gravity & Plato app icon

    ABV Calculator Gravity & Plato

    Wilson Baraban Filho

    Calculate ABV from Original and Final

    Calculate Alcohol By Volume (ABV) using Original (OG) and Final (FG) readings. Input measurements for . Determine alcohol content percentage. Export results for record-keeping.

    ★ 4.858 ratingsFood & DrinkFreeData updated 2026-09-06
  7. Calculator with History Tape app icon

    Calculator with History Tape

    帆 杨

    Calculate, record, and customize equations

    A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.

    ★ 4.73,210 ratingsProductivityFreeData updated 2026-09-17
  8. Metal Weight Calculator App app icon

    Metal Weight Calculator App

    Valaji Global

    Calculate with precision

    Calculate for different shapes and dimensions. Input material type, length, width, and thickness. Choose units and view results in kilograms or pounds. Save calculations and export data as PDF.

    ★ 4.7136 ratingsUtilitiesFreeData updated 2026-09-06
  9. Conversion Calculator - Metric app icon

    Conversion Calculator - Metric

    Collins Cheruiyot

    Convert units instantly and accurately

    Convert units between and imperial systems. Switch between weight, length, temperature, and area measurements. Input values and receive instant conversions. Share results via copy or email.

    ★ 4.8142 ratingsUtilitiesFreeData updated 2026-09-06
  10. eTranslator-AI Translate app icon

    eTranslator-AI Translate

    HIGHONE GAMES LIMITED

    , calculate, and navigate effortlessly

    Text and speech between 100+ languages with real-time voice input and one-click language switching. Calculate exchange rates, time differences, and unit conversions. Perform offline translations when available.

    ★ 4.52,309 ratingsReferenceFreeData updated 2026-10-10
  11. Time Calculator - Work Hours app icon

    Time Calculator - Work Hours

    Oval Software Oy

    Calculate , track dates, convert formats

    Helps manage , dates, and schedules. Add or subtract , minutes, and seconds. Apply hourly rates for cost calculations. Track and calculate pay. Convert formats and plan shifts.

    ★ 4.72,868 ratingsUtilitiesFreeData updated 2026-09-08
  12. US Unit Converter app icon

    US Unit Converter

    Kei Suefuji

    Convert units between US and metric systems

    Convert units of length, weight, area, liquid volume, and temperature between US and metric systems. Select the category, input the value, and instantly convert to the desired .

    ★ 4.8101 ratingsUtilitiesFreeData updated 2026-09-06
  13. PepCal: Peptide Calculator app icon

    PepCal: Peptide Calculator

    A & A Design Inc.

    Calculate concentrations and ratios

    Calculate reconstitution volumes using water estimates. Determine mixing ratios for various sequences. Perform bacteriostatic water calculations for stability. Input molecular weights and concentrations for accurate results.

    ★ 4.336 ratingsUtilities$2.99Data updated 2026-10-02
  14. Planimeter for map measure app icon

    Planimeter for map measure

    忠 张

    Distance and area on maps

    Distances and areas on satellite maps. Select points to calculate length or size. Save measurements and share results. Compatible with various map views and zoom levels.

    ★ 4.4856 ratingsUtilitiesFreeData updated 2026-09-09

How we rank alternatives

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