Free Online Unit Converter
Instant, accurate conversions for length, mass, temperature, volume, and more
Popular Conversions
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Unit Conversion Categories
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Length
Length measures distance between two points. Convert between meters, feet, inches, kilometers, miles, and more.
Mass
Mass measures the amount of matter in an object. Convert between kilograms, pounds, ounces, grams, and more.
Temperature
Temperature measures the degree of hotness or coldness. Convert between Celsius, Fahrenheit, and Kelvin.
Volume
Volume measures the amount of space occupied by a substance. Convert between liters, gallons, milliliters, and more.
General Calculators
Percentage, finance, time, and math calculation tools
Percentage Calculators
Calculate percentages, percentage changes, increases, decreases, and differences
Finance Calculators
Calculate interest, loan payments, mortgage, and savings growth
Time & Date Calculators
Calculate age, days between dates, add/subtract time, and duration
Math Calculators
Fraction to decimal, rounding, square roots, and exponents
About MetriqaHub
MetriqaHub provides free, fast, and accurate unit conversion and calculation tools for everyday use. Whether you need to convert length, mass, temperature, volume, or calculate percentages, loan payments, time differences, and mathematical operations, our tools deliver instant results with precision.
Perfect for students, engineers, financial planners, cooks, travelers, and anyone who needs reliable conversions and calculations. Our tools support dozens of units across multiple categories, plus 20 specialized calculators for percentage, finance, time, and math operations.
All conversions and calculations are performed using internationally recognized standards and formulas. No registration required – start converting and calculating now!