Oilcalcs app icon

Apps Like Oilcalcs for iPhone and iPad

Complete calculator for oil professionals.

The app calculates weights and volumes for oil and gas professionals using ASTM tables and formulas. It offers features for crude oil, products, and lube oils, including blending and density calculations.

by ron mooring★ 4.846 ratingsBusiness$9.99Data updated 2026-11-02

Oilcalcs screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. PetroFrac app icon

    PetroFrac

    Richard H Street

    Calculate SG, Watson K, and MW

    Calculates specific gravity, Watson K, and molecular weight using D86 distillation temperatures and API gravity. It determines density, viscosity, heat capacity, and enthalpy of liquid at a specified flow temperature.

    ★ 5.03 ratingsUtilities$1.99Data updated 2026-09-09
  2. ROL Assistant app icon

    ROL Assistant

    Astron International, Inc.

    Refining questions answered with data.

    The app provides a virtual advisor for refining questions and offers unit conversions for various physical quantities. It also includes steam properties and single-phase line pressure drop calculations.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-10-24
  1. Fancy Units Converter app icon

    Fancy Units Converter

    Ievgenii Lebid

    Convert and currencies instantly

    Convert and currencies with customizable conversion lists. Switch between automatically for multiple items. Support currency rates for over 160 countries and 24 conversion types including cooking, fuel consumption, and net.

    ★ 4.71,599 ratingsUtilitiesFreeData updated 2026-09-09
  2. Density Altitude + app icon

    Density Altitude +

    Kristian Ljungkvist

    Calculate and track weather data

    Calculate , altimeter setting, relative air , and relative humidity using GPS, weather data, and the phone's barometer. Track specific humidity in grains per pound. Suitable for pilots, engine tuning, and outdoor activities.

    ★ 4.81,041 ratingsNavigation$3.99Data updated 2026-11-02
  3. OilField Formulas iHandy Calc app icon

    OilField Formulas iHandy Calc

    zhandos uakanov

    Oilfield calculations for petroleum engineers.

    The app provides oilfield calculators for petroleum and mud engineers. It offers formulas for downhole capacities, volumes, pump output, ECD, trip calculations, and more.

    ★ 0.00 ratingsReference$1.99Data updated 2026-11-02
  4. 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
  5. Unit Converter: Mila's Tools app icon

    Unit Converter: Mila's Tools

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.

    ★ 4.81,395 ratingsUtilitiesFreeData updated 2026-09-08
  6. Converter and Calculator app icon

    Converter and Calculator

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.7267 ratingsUtilities$2.99Data updated 2026-09-08
  7. Probability-Distributions app icon

    Probability-Distributions

    Matthew Bognar

    Calculate probabilities, plot distributions, and find percentiles

    Calculate probabilities and percentiles for normal, t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Plot density functions for these distributions.

    ★ 4.9193 ratingsEducation$1.99Data updated 2026-10-31
  8. Duct Calculator Elite app icon

    Duct Calculator Elite

    Cyberprodigy LLC

    Calculate size, velocity, and pressure drop

    ™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

    ★ 4.8234 ratingsUtilities$9.99Data updated 2026-10-29
  9. Quick Conversion Units app icon

    Quick Conversion Units

    bader alshammari

    Convert instantly in one screen

    For Oilfield allows users to convert within one screen. It supports 19 categories including area, density, and pressure. Users can switch between and view factors directly.

    ★ 5.01 ratingsEducation$4.99Data updated 2026-09-11
  10. CONVERT UNITS app icon

    CONVERT UNITS

    Yan Liong Tan

    And track currency rates

    For length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency. Automatically or manually update currencies with 160 options. Enable multitasking on iPad for simultaneous conversions.

    ★ 4.71,357 ratingsProductivityFreeData updated 2026-09-11
  11. AIDA64 app icon

    AIDA64

    FinalWire Korlatolt Felelossegu Tarsasag

    Check hardware specs and system details

    Monitor device hardware and software performance. View CPU details, screen specifications, battery status, and network information. Track memory and storage usage. Access sensor data and run diagnostics for iPhones and iPads.

    ★ 4.62,316 ratingsUtilitiesFreeData updated 2026-09-09
  12. Universal Converter. app icon

    Universal Converter.

    V PUGAZHENTHI

    Convert units across 64 categories

    Convert units across 64 categories with 1333 units and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Find color codes and convert cooking measurements.

    ★ 4.312 ratingsUtilities$4.99Data updated 2026-09-08

How we rank alternatives

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