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