Convert length, mass, time and volume online
Our converter allows you to quickly and accurately convert between different units of measurement: length, mass, time and volume. Simply select a category, units of measurement and enter a value for instant results.
Convert between metric and imperial units of length. All basic units from millimeters to miles are supported.
Metric system: mm, cm, m, km
Imperial system: inches, feet, yards, miles
Exact conversion rates
Support for scientific calculations
Convert between different units of mass and weight. From milligrams to tons, including imperial units.
Metric system: mg, g, kg, t
Imperial system: ounces, pounds
Accurate conversion factors
Cooking measurement support
Convert between different units of time. From seconds to weeks with accurate calculations.
Basic units: seconds, minutes, hours
Long term: days, weeks
Accurate timing calculations
Planning support
Convert between different units of volume. From milliliters to cubic meters and imperial units.
Metric system: ml, l, m³, cm³
Imperial system: pints, gallons
Accurate volumetric calculations
Support for liquids and gases
Unit converter is widely used in various fields:
Scientific research and experiments
Engineering calculations and design
Cooking and recipes
Travel and navigation
Education and training
Medicine and pharmaceuticals
Construction and architecture
Sports and fitness
Our online unit converter provides fast and accurate conversions with a user-friendly interface.
Instant real-time conversion
Supports 4 categories of units of measurement
Accurate conversion factors
Support 4 languages: Russian, English, Spanish, German
Responsive design for all devices
Completely free without registration
Intuitive interface
Select a unit category (length, mass, time or volume), then select a source and target unit, enter a value, and the result will appear automatically. Our unit converter supports instant, real-time conversion.
The length converter supports metric units (millimeters, centimeters, meters, kilometers) and imperial units (inches, feet, yards, miles). All conversion factors are based on official international standards.
To convert weight, use our weight converter: 1 kilogram = 2.205 pounds = 35.274 ounces. Enter the value in kilograms, select pounds or ounces as the target unit, and get the exact result.
All time conversion factors are based on official international standards and ensure maximum calculation accuracy. The time converter supports seconds, minutes, hours, days and weeks.
The volume converter supports metric units (milliliters, liters, cubic meters) and imperial units (pints, gallons). 1 liter = 0.264 gallons = 2.113 pints. Enter a value and select the target unit.
Yes, our unit converter supports scientific calculations with high accuracy. All conversion factors are based on international standards and are suitable for engineering and scientific calculations.
The unit converter is ideal for cooking. Convert grams to ounces, milliliters to cups, kilograms to pounds to accurately measure ingredients in recipes.
The mass converter supports metric units (milligrams, grams, kilograms, tons) and imperial units (ounces, pounds). All conversion factors are based on official standards.
To convert length use our converter: 1 meter = 3.281 feet = 39.37 inches. Enter the value in meters, select feet or inches as the target unit, and get the exact result.
Yes, our online unit converter is responsive and fully mobile-ready. The interface automatically adjusts to the screen size for easy use on smartphones and tablets.
A unit converter is essential for traveling. Convert kilometers to miles for navigation, kilograms to pounds for luggage, liters to gallons for fuel, hours to local time.
The volume converter supports metric units (milliliters, liters, cubic meters, cubic centimeters) and imperial units (pints, gallons). All volumetric calculations are performed with high accuracy.
The time converter supports all basic units: 1 hour = 60 minutes = 3600 seconds. Enter the value in hours, select minutes or seconds as the target unit, and get the exact result.
Yes, our unit converter supports 4 languages: Russian, English, Spanish and German. The interface automatically switches depending on the selected language.
The unit converter is widely used in construction. Convert meters to feet for rooms, kilograms to pounds for materials, liters to gallons for liquids.
The time converter supports basic units: seconds, minutes, hours, days, weeks. All timing calculations are performed with millisecond accuracy for scientific and engineering calculations.
To convert mass, use our converter: 1 ton = 1000 kilograms = 1,000,000 grams. Enter the value in tons, select kilograms or grams as the target unit.
Our unit converter allows you to copy the results to your clipboard for later use. The conversion results can be saved or shared with colleagues.
A unit converter is indispensable in medicine. Convert milligrams to grams for drug dosages, milliliters to liters for liquids, kilograms to pounds for patient weights.
The length converter supports metric units (millimeters, centimeters, meters, kilometers) and imperial units (inches, feet, yards, miles). All conversion factors are based on international standards.
The volume converter supports precise conversion: 1 cubic meter = 1000 liters = 1,000,000 milliliters. Enter the value in cubic meters, select liters or milliliters as the target unit.
Our unit converter supports major modern units of measurement. For historical units, it is recommended to use specialized converters or reference books.
A unit converter is useful in sports. Convert kilometers to miles for running, kilograms to pounds for weight, liters to gallons for hydration, hours to minutes for training.
The mass converter supports metric units (milligrams, grams, kilograms, tons) and imperial units (ounces, pounds). All conversion factors are based on official international standards.
The time converter supports accurate conversion: 1 week = 7 days = 168 hours. Enter a value in weeks, select days or hours as the target unit, and get the exact result.
Our unit converter supports length, mass, time and volume. To convert temperatures, use a specialized temperature converter.
A unit converter is indispensable in education. Students can convert units of measurement to solve problems in physics, chemistry, and mathematics. Teachers use the converter to check calculations.
The volume converter supports metric units (milliliters, liters, cubic meters, cubic centimeters) and imperial units (pints, gallons). All volumetric calculations are performed with high accuracy.
The length converter supports accurate conversion: 1 yard = 0.914 meters = 91.4 centimeters. Enter the value in yards, select meters or centimeters as the target unit.
Our unit converter supports physical units (length, mass, time, volume). To convert currencies, use a specialized currency converter.
The online unit converter at Calc1.ru supports Russian, English, Spanish and German. Convert length, mass, time and volume for free!