24 Free Online Tools

Unit Converters

Convert measurements, units and values instantly.

Free to Use No Sign-Up Browser-Based

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All Unit Converters

24 tools

Memory / Storage Converter

Convert between data storage units like Kilobytes, Megabytes, and Terabytes.

Length Converter

A versatile tool to convert between length and distance units like Metres, Kilometres, Miles, and Feet.

Speed Converter

Convert between speed units like Kilometres per hour, Miles per hour, Knots, and Metres per second.

Temperature Converter

A quick utility to convert between temperature scales like Celsius, Fahrenheit, and Kelvin.

Weight Converter

Convert between mass and weight units like Kilograms, Pounds, Ounces, and Grams.

Area Converter

Convert between area units like Square Metres, Acres, Hectares, and Square Feet.

Volume Converter

Convert between volume and capacity units like Litres, Gallons, Cubic Metres, and Millilitres.

Power Converter

Convert between power units like Watts, Horsepower, Kilowatts, and BTUs per hour.

Pressure Converter

Convert between pressure units like Pascals, PSI, Bar, and Atmospheres.

Pace Converter

Convert between pace units like Minutes per Kilometre and Minutes per Mile.

Fuel Consumption Converter

Convert between fuel efficiency units like MPG and Litres per 100km.

Time Converter

Convert between time units like Seconds, Minutes, Hours, Days, and Weeks.

Angle Converter

Convert between angle units like Degrees, Radians, Gradians, and Circles.

Torque Converter

Convert between torque units like Newton-metres and Pound-feet.

Energy Converter

Convert between energy units like Joules, Calories, and BTUs.

Frequency Converter

Convert between frequency units like Hertz, Kilohertz, and Megahertz.

Voltage Converter

A comprehensive tool to convert between various voltage units like Volts, Millivolts, Kilovolts, and more.

Current Converter

A comprehensive tool to convert between various electrical current units like Amperes, Milliamperes, and more.

Illuminance Converter

A precise tool to convert between various illuminance units like Lux, Foot-candles, and Phots.

Luminance Converter

A specialized tool to convert between luminance units like Candela per square metre (nits), Stilbs, and Lamberts.

Density Converter

A versatile tool to convert between various density units like Kilograms per cubic metre, Grams per cubic centimetre, and Pounds per cubic foot.

Viscosity Converter

A specialized tool to convert between various dynamic viscosity units like Pascal-seconds, Poise, and Centipoise.

Capacitance Converter

A precise tool to convert between various capacitance units like Farads, Microfarads, and Picofarads.

Force Converter

A fundamental tool to convert between force units like Newtons, Pound-force, and Kilogram-force.

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Free Online Unit Converters

Online Unit Converters for Length, Weight, Temperature, Speed and More

CyberTools provides a complete collection of free online unit converters for quickly converting measurements across length, weight, temperature, speed, area, volume, pressure, energy, power, time, electrical units and other common measurement systems.

Whether you are studying, engineering, travelling, working with specifications or simply converting everyday measurements, these browser-based conversion tools help you calculate equivalent values quickly without installing software.

Everyday Measurements Convert length, weight, area, volume, temperature and time units.

Engineering Units Work with power, pressure, torque, force, voltage, current and electrical measurements.

Fast Conversions Enter a value, choose units and get the converted measurement instantly.

EVERYDAY MEASUREMENTS

Convert Length, Weight, Area and Volume Units

Measurement systems vary between countries, industries and applications. CyberTools makes common conversions easier with dedicated calculators for frequently used physical measurements.

Use the Length Converter for metres, kilometres, miles, feet and other distance units, or the Weight Converter for kilograms, grams, pounds, ounces and related mass units.

For dimensions and capacity, use the Area Converter and Volume Converter.

Length

Convert metres, kilometres, feet, inches, yards and miles.

Weight

Convert kilograms, grams, pounds, ounces and other mass units.

Area

Convert square metres, acres, hectares and square feet.

Volume

Convert litres, millilitres, gallons and cubic measurements.

TEMPERATURE & SPEED

Convert Temperature, Speed and Pace Instantly

Temperature and speed are among the most commonly converted measurements because different regions use different standards.

The Temperature Converter converts between Celsius, Fahrenheit and Kelvin. Use the Speed Converter for kilometres per hour, miles per hour, metres per second and knots.

Runners and athletes can also use the Pace Converter to convert between common running pace formats.

ENERGY & ENGINEERING

Convert Power, Energy, Pressure, Force and Torque

Engineering and technical calculations often require values to be translated between SI, metric, imperial and other measurement systems.

Use the Power Converter for watts, kilowatts, horsepower and related units, or the Energy Converter for joules, calories, BTUs and other energy measurements.

CyberTools also provides a Pressure Converter, Force Converter and Torque Converter for common scientific and engineering workflows.

Power

Convert watts, kilowatts, horsepower and related units.

Energy

Convert joules, calories, kilowatt-hours and BTUs.

Pressure

Convert pascals, bar, PSI and atmospheric pressure units.

Force & Torque

Convert mechanical force and rotational torque measurements.

ELECTRICAL CONVERSIONS

Electrical Unit Converters for Voltage, Current and Capacitance

Electrical measurements frequently use prefixes such as milli, micro and kilo. The Voltage Converter helps convert voltage units, while the Current Converter handles amperes, milliamperes and related current measurements.

For capacitor values, use the Capacitance Converter to move between farads, microfarads, nanofarads, picofarads and other capacitance units.

LIGHT MEASUREMENTS

Convert Illuminance and Luminance Measurements

Lighting calculations distinguish between illuminance and luminance. Use the Illuminance Converter for units such as lux and foot-candles.

The Luminance Converter converts measurements including candela per square metre and other luminance units used in lighting, display and imaging applications.

SPECIALIZED CONVERTERS

Density, Viscosity and Frequency Conversion Tools

Density Converter Convert density measurements using the Density Converter.

Viscosity Converter Convert dynamic viscosity values with the Viscosity Converter.

Frequency Converter Convert Hz, kHz, MHz and related values using the Frequency Converter.

DATA STORAGE

Convert Digital Memory and Storage Units

Digital storage values can appear in bytes, kilobytes, megabytes, gigabytes, terabytes and larger units. Use the Memory / Storage Converter to quickly translate between common data-storage measurements.

TIME & ANGLES

Convert Time and Angular Measurements

The Time Converter converts between seconds, minutes, hours, days, weeks and other time units.

For geometric and scientific work, the Angle Converter converts between degrees, radians, gradians and other angular units.

FUEL ECONOMY

Convert Fuel Consumption and Fuel Efficiency Units

Vehicle efficiency is expressed differently around the world. The Fuel Consumption Converter helps translate between measurements such as miles per gallon and litres per 100 kilometres.

WHO USES UNIT CONVERTERS?

Useful for Everyday, Academic and Technical Work

Students Convert measurements for mathematics, physics and science work.

Engineers Translate technical measurements between different unit systems.

Travellers Convert distance, temperature, speed and everyday measurements.

Professionals Handle specifications, reports, manufacturing and technical data.

HOW IT WORKS

How to Convert Units Online

1 Choose a Converter Select the measurement category you need.

2 Enter Your Value Type the number you want to convert.

3 Select Units Choose the original and destination measurement units.

4 Get the Result View the converted value immediately.

FREQUENTLY ASKED QUESTIONS

Frequently Asked Questions About Unit Conversion

What is a unit converter?

A unit converter translates a numerical measurement from one measurement unit into its equivalent value in another unit.

Are CyberTools unit converters free?

Yes. The converters listed on this category page are available as free browser-based utilities.

Can I convert Celsius to Fahrenheit?

Yes. Use the Temperature Converter to convert between Celsius, Fahrenheit and Kelvin.

Can I convert miles to kilometres?

Yes. The Length Converter supports common metric and imperial distance measurements including miles and kilometres.

Can I convert kilograms to pounds?

Yes. Use the Weight Converter to convert kilograms, pounds, grams, ounces and other weight or mass units.

What is the difference between metric and imperial units?

Metric measurements include units such as metres, kilograms and litres. Imperial and US customary systems commonly use units such as feet, miles, pounds and gallons.

Can these converters be used for engineering calculations?

CyberTools includes converters for pressure, force, torque, energy, power, electrical measurements and several other technical quantities. Critical engineering work should still be verified against the applicable standards and specifications.

Do I need to install software?

No. These unit converters are designed to run directly in your web browser.

CYBERTOOLS UNIT CONVERTERS

Convert Measurements Quickly Online

Choose from CyberTools unit conversion utilities for everyday, scientific, technical and engineering measurements.

Browse Unit Converters

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