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
Track price trends and forecast long-term liquid costs. Analyze market data for risk management. Set alerts for price changes. Compare historical data to inform bidding strategies. Secure supply projections based on energy market analysis.
Monitor and measure liquid and material levels using Bluetooth-connected and level meters. View real-time data, set alerts, and export readings. Calibrate sensors and view historical measurement logs.
Calculate log for different tree species using predefined formulas. Input measurements and select species to get estimates. Export results and share data via email or cloud storage.
Calculate temperature-adjusted values for gaseous sulfur hexafluoride. Input temperature and to adjust measurements. Export results as text or CSV. Share data via email or messaging.
Calculate in US Gallons, Imperial Gallons, or Liters for square, rectangular, free form, circular, oval, and elliptical shapes. Convert feet to meters, temperature, pressure, flow rate, and gallons to liters.
Calculate potential output using the formula Pa = 1/2 ξ ρ A v^3. Input air density, windmill efficiency, cross-sectional area, and velocity. Display estimated in watts. Allow users to adjust variables and view results.
Convert rates between volume-based, mass-based, and mole-based units. Input values and select units for . Display results in standard and scientific notation. Save and share converted values.
Calculate consignment weight and volume for shipping. Determine cubic meters (CBM) of goods. Estimate how many items fit in a shipping container. Input dimensions and quantities for accurate results.
Convert values between DCCT units (%) and IFCC units (). Calculate estimated average glucose (eAG) from mg/dL or mmol/L. Switch between units and view converted results.
Calculate concentration with molarity and dilution formulas. Input known values like moles, volume, or molarity to solve for the unknown. Perform dilution calculations and verify results instantly.
Calculate barometric pressure using mercury barometer measurements. Input meniscus heights, instrument temperature, and gravitational acceleration. Convert between pressure units and display results.