CNVRT: SI Unit Conversion Tool app icon

Apps Like CNVRT: SI Unit Conversion Tool for iPhone and iPad

Convert units instantly and accurately

Convert units of measurement with support for weight, length, temperature, speed, area, time, data storage, and angle. Input values and select units for instant . Syncs with Apple Health for seamless tracking.

by Pascal Andraos★ 4.517 ratingsUtilities$4.99Data updated 2026-09-06

CNVRT: SI Unit Conversion Tool screenshots

Ranked alternatives

Showing 361–380 of 1,000 ranked alternatives.

  1. AZ Calculator: AI & More app icon

    AZ Calculator: AI & More

    Gerardo Arellano

    Calculate, convert, and solve instantly

    Perform calculations with a scientific calculator, convert units, and use health tools like BMI and body fat calculators. Access financial calculators for loan and investment estimates.

    ★ 4.434 ratingsUtilitiesFreeData updated 2026-09-06
  1. MyMeasure app icon

    MyMeasure

    Pendlebury Software LLC

    Measure map features quickly and easily.

    The app measures length, perimeter, and area on a map using an interactive crosshair. Users can trace map features, and dimensions update continuously.

    ★ 3.845 ratingsUtilities$2.99Data updated 2026-10-05
  2. Quick Measure - GPS app icon

    Quick Measure - GPS

    Alec Downing

    Distance and area with GPS

    Allows users to calculate distance and area using GPS. Tap to start and stop tracking automatically as you move. Manually input points to specific areas. Save and share measurement data.

    ★ 4.117 ratingsUtilitiesFreeData updated 2026-09-06
  3. Ductulate HD app icon

    Ductulate HD

    Steven Ramsay

    Calculate air flow and duct sizes

    Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.

    ★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
  4. Chemical Engineering AppSuite HD app icon

    Chemical Engineering AppSuite HD

    Vector 254 LLC

    Convert units, calculate formulas, track reactions

    Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.

    ★ 4.681 ratingsProductivity$0.99Data updated 2026-10-09
  5. Un1ts app icon

    Un1ts

    Gavin Wiggins

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-24
  6. Tile Calculator, Flooring calc app icon

    Tile Calculator, Flooring calc

    Phan Nhat Đang

    Calculate tiles, boxes, and cost accurately

    Calculate quantity, boxes needed, and estimated cost for floors or walls. Account for grout gaps and input dimensions or pre-known sizes. Provide cost estimates based on material prices.

    ★ 4.682 ratingsUtilitiesFreeData updated 2026-09-25
  7. Fractio app icon

    Fractio

    James Campbell

    Calculate numbers in natural format.

    The app calculates linear measurements, areas, volumes, and weights in US and metric units. It supports decimal or fractional notation and includes unit conversion, memory, rounding, and percentage functions.

    ★ 3.211 ratingsUtilitiesFreeData updated 2026-10-21
  8. AR Meter: Digital Weight Scale app icon

    AR Meter: Digital Weight Scale

    Muhammad Zahid Shakeel

    Track fitness, calculate, and convert units

    And Calculator Pro measure real-world distances using augmented reality. Track BMI, convert units, split bills, and perform complex calculations. Set health goals and view progress charts. Sync data across devices for consistent tracking.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  9. Air Flow Conversion Calculator app icon

    Air Flow Conversion Calculator

    Tan Chia Ling

    Calculate airflow rate instantly

    Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.

    ★ 3.511 ratingsUtilities$2.99Data updated 2026-09-14
  10. Photometrics app icon

    Photometrics

    Arnold & Richter Cine Technik GmbH & Co. Betriebs KG

    Reference ARRI light fixture photometric data.

    The app provides photometric data for ARRI light fixtures, including discontinued models and electronic ballasts. Users can access illuminance, beam angle, diameter, and light properties, with options for metric and imperial units.

    ★ 4.37 ratingsProductivityFreeData updated 2026-10-22
  11. Beam Engineering lite app icon

    Beam Engineering lite

    V PUGAZHENTHI

    Calculate parameters and convert units

    Calculator provides tools to analyze and convert and Civil parameters. Users can calculate critical bending moments for rectangular, open, and nonuniform cross sections. Additional calculators for stress and deflection are available via in- purchase.

    ★ 4.432 ratingsUtilitiesFreeData updated 2026-09-10
  12. Digital Speedometer Free app icon

    Digital Speedometer Free

    Chad Hine

    Monitor speed and direction in real time

    Monitor speed and direction with a in metric or imperial units. Display major road and highway speed limits. Highlight current speed in yellow for slight excess and red for significant excess. Supports landscape and portrait orientations.

    ★ 2.028 ratingsUtilitiesFreeData updated 2026-09-08
  13. Ring Sizer: Risi app icon

    Ring Sizer: Risi

    Axel Le Pennec

    Measure finger size and select size

    Measure finger or size using a phone camera. Input measurements to calculate size. Convert measurements between units. Save and share results. Provide guidance for accurate sizing.

    ★ 4.636 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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