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 761–780 of 1,000 ranked alternatives.

  1. Wing Loading Calculator app icon

    Wing Loading Calculator

    Robin Clohessy

    Calculate and canopy size

    Calculate by entering exit weight in kilograms or pounds. Input canopy size or use a slider to determine sizing. View and recommended jump experience levels. Helps skydivers select appropriate canopy sizes based on their experience.

    ★ 0.00 ratingsSportsFreeData updated 2026-09-06
  1. Electrical Calc Pro app icon

    Electrical Calc Pro

    Snappy Appz Inc.

    Calculate formulas and code results

    Calculate loads, determine wire and conduit sizes, and find fusing and overload requirements. Input voltage, current, and load values. Generate code-compliant results based on the Canadian Electric Code.

    ★ 5.01 ratingsUtilities$19.99Data updated 2026-09-08
  2. Basic Percent Calculator app icon

    Basic Percent Calculator

    Gergely Nagy

    Calculate interest, roots, and percentages

    Calculate percentages, roots, and compound interest for specified time periods. Input values and select calculation type. Display results with detailed formulas. Export results as text or share directly.

    ★ 5.01 ratingsEducationFreeData updated 2026-09-10
  3. CalcQX ~ the calculator app icon

    CalcQX ~ the calculator

    CodeQX

    Calculate and verify results instantly

    Perform basic arithmetic operations, percentage calculations, and unit conversions. Switch between standard and engineering modes for advanced scientific functions. Adjust display settings and access history for repeated calculations.

    ★ 4.52 ratingsUtilities$0.99Data updated 2026-09-08
  4. Tip and Bill Split Calculator app icon

    Tip and Bill Split Calculator

    Justin Heintz

    Bills and calculate tips

    Calculate tips based on a percentage of the . Enter total amount and among users. Save money by adjusting tip rates. Share details and payment methods.

    ★ 4.02 ratingsUtilitiesFreeData updated 2026-09-09
  5. Pipe and Flange Calculator app icon

    Pipe and Flange Calculator

    iTouch It Once Software Corporation

    Calculate pipe and flange ratings.

    The app calculates required pipe schedule and ANSI flange rating based on user input for pressure, temperature, and corrosion allowances. Results include calculated thickness, minimum suggested pipe schedule, stress value, and input parameters.

    ★ 3.02 ratingsProductivity$4.99Data updated 2026-09-12
  6. Pipe Working Pressure Calc app icon

    Pipe Working Pressure Calc

    Tan Chia Ling

    Calculate , thickness, and diameter

    Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.

    ★ 4.02 ratingsUtilities$2.99Data updated 2026-09-16

How we rank alternatives

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