Conversion calculator
Convert metric and standard units.
Use quick metric to standard conversions and standard to metric conversions for length, weight, volume, and temperature. Choose the conversion type, enter a value, and get the result instantly.
Calculator
Metric and Standard Converter
Useful for recipes, travel, shopping, vehicle specs, home projects, and quick everyday math.
Choose a conversion and enter a value.
Wide AdSense area below the unit converter.
Popular conversions
Metric to standard and standard to metric
This unit conversion calculator handles common everyday conversions including miles to kilometers, kilometers to miles, feet to meters, meters to feet, pounds to kilograms, kilograms to pounds, gallons to liters, liters to gallons, Fahrenheit to Celsius, and Celsius to Fahrenheit.
These conversions are useful for travel, recipes, product specs, schoolwork, vehicle information, home projects, fitness, and quick comparisons between US standard units and metric units.
Conversion notes
Included conversions
What units can I convert?
The first version converts miles, kilometers, feet, meters, pounds, kilograms, gallons, liters, Fahrenheit, and Celsius.
Can more conversions be added?
Yes. Recipe measurements, inches and centimeters, square feet and square meters, ounces and grams, and speed conversions can be added next.