Conversion Calculators

Unit conversion tools for temperature, length, weight, volume, and more. Accurate conversions between metric, imperial, and other measurement systems.

57 calculators available

57 calculators found

Measurement

24

Acres to Square Feet Converter

Convert between acres, square feet, and square meters for land area and real estate.

Alcohol Volume Converter

Convert between shots, jiggers, fluid ounces, pints, fifths, liters, and handles.

Angle Converter

Convert between degrees, radians, gradians, turns, arcminutes, and arcseconds.

Area Converter

Convert between acres, hectares, square feet, square meters, square kilometers, and other area units.

Avoirdupois Weight Converter

Convert between grains, drams, ounces, pounds, stones, quarters, hundredweights, and short tons.

Centimeters to Feet Converter

Convert between centimeters, feet, and inches for height and length measurement.

Centimeters to Inches Converter

Convert between centimeters, inches, and millimeters for sewing, crafts, and precision measurement.

Cubic Yards to Cubic Feet Converter

Convert cubic yards to cubic feet, cubic meters, cubic inches, and liters for construction and landscaping.

Cubic Yards to Tons Converter

Convert volume to weight for construction materials like gravel, sand, and topsoil.

Currency Converter

Convert between world currencies with up-to-date exchange rates.

Decimal Degrees to DMS Converter

Convert decimal degrees to degrees, minutes, and seconds notation for GPS coordinates and navigation.

Distance Converter

Convert between miles, kilometers, feet, meters, inches, and other length units.

Feet & Inches Calculator

Convert between feet, inches, centimeters, meters, and other imperial/metric length units.

Fuel Consumption Converter

Convert between miles per gallon (MPG), liters per 100km, and km per liter for vehicle fuel efficiency comparison.

Gold Weight Converter

Convert between troy ounces, grams, pennyweights, and grains for precious metal trading and jewelry.

Height Converter

Convert heights between centimeters, meters, inches, and feet.

Roman Numeral Converter

Convert between Arabic numbers (1–3999) and Roman numerals with digit-by-digit breakdown.

Shoe Size Converter

Convert US shoe sizes to UK, EU, and centimeters.

Square Meters to Square Feet

Dedicated converter for square meters and square feet — ideal for real estate listings.

Time Converter

Convert between milliseconds, seconds, minutes, hours, days, weeks, months and years.

Tire Size Calculator

Calculate tire diameter, circumference, and revolutions per mile.

Troy Weight Conversion Calculator

Convert between troy pounds, troy ounces, pennyweights, and grains for precious metals and gemstone trading.

Volume Converter

Convert between liters, gallons, cups, milliliters, and other volume units.

Weight Converter

Convert between kilograms, pounds, ounces, grams, stone, and other weight units.

Cooking & Kitchen

17

Air Fryer Converter

Convert oven temperature and time to air fryer settings using the 25 deg F reduction and 20 pct time savings rule.

Baking Conversion Calculator

Scale recipe ingredient amounts up or down by adjusting serving sizes with precise scale factor.

Butter Converter

Convert butter sticks to grams, tablespoons, cups, and ounces for baking and cooking.

Cooking Conversion Calculator

Convert cups to milliliters, tablespoons, teaspoons, and fluid ounces for kitchen measurements.

Cups to Grams Converter

Convert between cups, grams, tablespoons, and teaspoons for baking with water density baseline.

Cups to Liters Converter

Convert between cups, liters, and milliliters for cooking volume measurement.

Cups to mL Converter

Convert between cups, milliliters, and fluid ounces for precise recipe scaling.

Cups to Ounces Converter

Convert between cups, fluid ounces, and tablespoons for liquid measurement in cooking.

Cups to Tablespoons Converter

Convert between cups, tablespoons, and teaspoons for precise cooking measurements.

Grams to Tablespoons Converter

Convert grams to tablespoons, teaspoons, and milliliters using water-density equivalence.

mL to Grams Converter

Convert milliliters to grams, fluid ounces, and tablespoons using water-density equivalence.

Ounces to Grams Cooking Converter

Convert ounces to grams, kilograms, and pounds for kitchen weight measurements.

Oven Temperature Converter

Convert oven temperatures between Fahrenheit, Celsius, Gas Mark, and Kelvin.

Pounds to Cups Converter

Convert pounds to cups, tablespoons, and milliliters using water-density equivalence.

Quarts to Cups Converter

Convert quarts to cups, pints, fluid ounces, and milliliters for liquid volume.

Tablespoons to Teaspoons Converter

Convert tablespoons to teaspoons, milliliters, and fluid ounces for precise measurements.

Teaspoons to Grams Converter

Convert teaspoons to grams, tablespoons, and milliliters using water-density equivalence.

Temperature & Energy

16

Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin, Rankine and Réaumur temperature scales.

Energy Converter

Convert between joules, calories, BTU, kilowatt-hours, and other energy units.

Power Converter

Convert between watts, kilowatts, horsepower, BTU/hour, and other power units.

Pressure Converter

Convert between PSI, bar, atmospheres, pascals, mmHg, and other pressure units.

Speed Converter

Convert between mph, km/h, knots, m/s, Mach, and other speed units.

Acceleration Converter

Convert between m/s², ft/s², gals, standard gravity, and other acceleration units.

Force Converter

Convert between newtons, pound-force, kilogram-force, dynes, and kips for engineering and physics.

Data Storage Converter

Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes using binary (1024) standards.

Data Transfer Rate Converter

Convert between Mbps, MB/s, Gbps, Kbps, and calculate download times for internet speeds.

Celsius to Fahrenheit Converter

Convert between Celsius and Fahrenheit for cooking, weather, and everyday use.

Celsius to Rankine Converter

Convert between Celsius, Rankine, and Kelvin for thermodynamics and engineering.

Hertz to Seconds Converter

Convert between frequency (hertz) and time period (seconds, milliseconds, microseconds) for electronics and physics.

Torque Conversion Calculator

Convert between newton-meters, foot-pounds, inch-pounds, and kilogram-centimeters for mechanical engineering.

Kelvin to Celsius Converter

Convert Kelvin to Celsius, Fahrenheit, Rankine, and Réaumur temperature scales for scientific and engineering applications.

Momentum Conversion Calculator

Convert between kilogram-meters per second, newton-seconds, pound-feet per second, and slug-feet per second.

Watts to Amps Conversion Calculator

Convert watts to amps for DC and single-phase AC circuits using voltage and power factor inputs.

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Accurate Unit Conversions

Our conversion calculators use exact conversion factors from NIST and ISO standards, ensuring scientifically accurate results. Each converter supports bidirectional conversion and handles edge cases like absolute zero for temperature scales.

Conversion Accuracy and Precision

Small rounding differences can compound in scientific, engineering, and cooking contexts, so our converters preserve full precision rather than truncating early. Results display up to the number of significant figures appropriate for each unit pair. When exact conversion factors exist (such as 1 inch = 25.4 mm), we use them directly instead of rounded approximations.