Best Rpm Calculator Apps

Gear Ratio Calculator & RPM

4.3(83 ratings)

FreeIn-App Purchases

Strobe tachometer (RPM meter) screenshot 1

Strobe tachometer (RPM meter) screenshot 2

Strobe tachometer (RPM meter) screenshot 3

Strobe tachometer (RPM meter) screenshot 4

Strobe tachometer (RPM meter) screenshot 5

Strobe tachometer (RPM meter) screenshot 6

Measure rotational speeds of objects using your phone's flashlight, laser, or magnetic sensor. Detect precise RPMs with adjustable flicker frequencies and a wide measurement range. Ideal for analyzing fan speeds, engine RPMs, and more.

RPM Calculator by BDS Maschinen GmbH (Germany)

Mag Drills & Annular Cutters

Worth Considering

📊 Productivity

0.0(0 ratings)

Free

More Rpm Calculator apps to explore

Torque, Teeth & Speed Solver

Accurate RPM & Wow Measurement

Accurate RPM and wow measurementSave measurements for comparisonSupports 16 ⅔, 33 ⅓, 45, and 78 RPM

Measure your vinyl turntable's speed and wow with accuracy using just your phone. Save past readings for comparison and enjoy a modern interface. Supports all common record speeds.

🎵 Music

(56)

Camera RPM Meter - StrobeLight

Camera Tachometer - RPM Meter

Measure RPM with mobile cameraMeasure RPM with strobe light simulationAdjust RPM with seek bar or buttons

Measure rotational speed using your phone's camera or a simulated strobe light. Simply mark the rotating object and adjust the settings until it appears stationary to get an accurate RPM reading. The app also functions as a torchlight.

(37)

Lathe RPM Calculator

by Slava Barouline

Material selectionDesignation selectionTool type selection

Calculate lathe RPM based on material, designation, and tool type. Supports a wide range of materials and allows for unit changes. Simply input your work diameter to get the RPM value.

eCPM, CTR, RPM Calculator

(1)

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Estimated Earning Calculator

$1.99

Pulley system setupCalculate belt velocityDetermine pulley torques

(0)

Belt & Pulley Calculator

Setup two pulley system

$0.99

Calculate key parameters for a two-pulley system. Input pulley sizes, speed, power, and distance to determine belt velocity, tension, torques, wrap angle, and driven pulley RPM. Supports both imperial and metric units.

Perform a variety of calculations related to vehicle drivelines and engines. This tool helps users get the most out of genuine Spicer parts with specialized calculators for RPM, fuel savings, and more.

Driveline Angle CalculatorDriveshaft RPM CalculatorFuel Savings Calculator

💼 Business

(2)

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Motor Power Calculator

Engine RPM From Sound

$1.99

Instantly measure engine RPM by listening to its sound through your phone's microphone. No external sensors or adapters needed. Ideal for diagnosing and monitoring various engines hands-free.

Instant RPM reading from soundNo OBD adapter or sensors requiredSupports 1-12 cylinders

RPM from Engine Sound

Automatic RPM detection from soundSupports 2-stroke and 4-stroke enginesNo manual configuration required

Measure engine RPM from sound without any tools. Simply point your phone at the exhaust of various engines like motorcycles, cars, or lawn mowers to get accurate, real-time readings. The app automatically filters background noise and indicates signal quality for reliable measurements.

Speedometer with large display

Displays speed in mph, km/h, knotsLarge, clear indicatorsRetina display support

This application displays your current speed in miles per hour, kilometers per hour, or knots. It features a large, clear display with Retina support for optimal visibility. Accuracy is enhanced by adjusting indicator transparency.

🗺️ Navigation

(51K)

ad-supported

RPM Meter for Turntable

No fuss Tachometer

Measures Min RPMMeasures Max RPMMeasures Avr RPM

Easily measure the actual RPM of your turntable with this straightforward tachometer. It provides detailed readings including minimum, maximum, and average RPM, along with percentage discrepancy and wow and flutter measurements.

by Natural Style Co. Ltd.

(4)

free

Giri -The RPM Checker-

Rotational speed measurementNoise removal for accuracySpeed conversion panel

This tool measures the rotational speed of motors, ideal for hobbyists working with drivable model cars. It features noise removal, speed conversion, and a memo panel for recording measurements. Customizable skins add a personal touch to the user experience.

(13)

Rpm Meter: Calibrate Turntable

Check Speed and Error

Real-time RPM measurementGyroscope and camera modesLive RPM gauge and graph

Measure the speed of any rotating object with precision using your phone's gyroscope or camera. View real-time RPM data on a live gauge and graph, save your measurements, and compare historical readings. Ideal for calibrating turntables and testing various rotating equipment.

(5)

Digital Tachometer RPM Checker

Measures RPM of rotating objectsAdjustable strobe speed (1-10,000 RPM)Quick adjustment buttons (+/- increments)

This application transforms your smartphone into a digital tachometer using its flashlight. It measures the rotational speed (RPM) of objects by flashing light at them, making them appear stationary when the flash rate matches their speed. Save readings and use it for mechanics, education, or industrial checks.

Smart RPM and Speed meter

Smart RPM meterSpeed meter functionalityReal-time vehicle data

This application functions as a smart RPM and speed meter, providing real-time data for users. It offers a digital display of vehicle performance metrics. The app is available for free with an optional premium subscription.

⚽ Sports

(0)