Converters

Length, weight, temperature, speed and data unit converters.

Converters321 tools

Free Length Converter

Use our free Length Converter online. Instantly convert between meters, feet, inches, centimeters, kilometers, miles, yards, millimeters, nautical miles, and more. Fast and accurate length unit conversion for construction, engineering, travel, science, and everyday use. Updated for 2026.

Free Square Yard Converter

Use our free Square Yard Converter online. Convert square yards to square feet, square meters, and acres. Essential for construction, landscaping, and fabric measurement.

Free PX to EM Converter

Use our free PX to EM Converter online. Convert pixels to ems and ems to pixels instantly. 1em = 16px (default). Essential for responsive CSS web design.

Free Pints to Cups Converter

Use our free Pints to Cups Converter online. Convert pints to cups and cups to pints instantly. 1 US pint = 2 cups. Perfect for cooking and baking.

Free Pa to psi Converter

Use our free Pa to psi Converter online. Convert pascals to pounds per square inch and back instantly. Pressure conversion for engineering, science, and HVAC.

Free fl oz to mL Converter

Use our free fl oz to mL Converter online. Convert fluid ounces to milliliters and milliliters to fluid ounces instantly. Accurate volume conversion for cooking, mixology, and science.

Free Pressure Converter

Use our free Pressure Converter online. Convert between bar, PSI, atm, Pa, kPa, MPa, mmHg, torr, and more. Essential for engineering, automotive, and HVAC.

Free Roman Numerals Converter

Use our free Roman Numerals Converter online. Convert Arabic numbers to Roman numerals and vice versa. Supports I, V, X, L, C, D, M up to 3999. Essential for history and education.

Free PSI to Inches of Water Converter

Use our free PSI to Inches of Water Converter online. Convert PSI to inH2O and inH2O to PSI instantly. 1 PSI = 27.708 inH₂O. Essential for HVAC and low-pressure measurements.

Free Pressure Unit Conversion

Use our free Pressure Unit Conversion tool online. Convert between PSI, bar, atm, Pa, kPa, MPa, mmHg, torr, and inHg. All major pressure units supported.

Free Seconds to Days Converter

Use our free Seconds to Days Converter online. Convert seconds to days and days to seconds instantly. 1 day = 86,400 seconds. Essential for time tracking and project management.

Free Seconds to Minutes Converter

Use our free Seconds to Minutes Converter online. Convert seconds to minutes and minutes to seconds instantly. 1 minute = 60 seconds. Essential for time tracking and daily use.

Free Pascal Converter

Use our free Pascal Conversion calculator online. Convert pascals to psi, bar, kPa, atm, MPa, and more instantly. Essential for science, engineering, and weather.

Free Leet Speak Converter

Convert plain text to leet speak (1337) instantly with our free Leet Speak Converter online. Choose from Basic, Intermediate, or Advanced leet levels for fun text transformations.

Free Pounds to lbs Reference

Use our Pounds to lbs Converter. Pounds and pounds (lbs) are the same unit. Simple weight reference for everyday use.

Free Quarts to Pounds Converter

Use our free Quarts to Pounds Converter online. Convert US quarts to pounds and pounds to quarts. For water: 1 qt = 2.086 lb. Density-dependent. Essential for cooking and shipping.

Free Metric Converter

Use our free Metric Converter online. Instantly convert between metric units across length, weight, volume, temperature, area, and speed categories. Fast and accurate SI unit conversion for science, engineering, cooking, and everyday use. Updated for 2026.

Free Mil Conversion

Use our free Mil Conversion tool online. Quickly convert mils (thousandths of an inch) to inches, millimeters, centimeters, meters, and more. Accurate and instant unit conversion for manufacturing, engineering, and machining. Updated for 2026.

Free Power Converter

Use our free Power Converter online. Convert between watts, kilowatts, horsepower (mechanical & metric), BTU/h, and more. Essential for engineering and energy calculations.

Free Katha to Square Feet Converter

Use our free Katha to Square Feet Converter online. Convert land area between katha and square feet for Bangladesh, Nepal, and various Indian states. Updated for 2026.

KSI to MPa Converter

Use our free KSI to MPa Converter online. Instantly convert kilopounds per square inch (KSI) to megapascals (MPa) and vice versa with high accuracy. Ideal for engineering, materials science, tensile strength testing, and industrial pressure calculations. Updated for 2026.

Free Pounds to Stone Converter

Use our free Pounds to Stone Converter online. Convert pounds to stone and stone to pounds instantly. 1 stone = 14 lb. Essential for UK body weight measurement.

Free Lat Long to UTM Converter

Use our free Lat Long to UTM Converter online. Instantly convert latitude and longitude coordinates (WGS84) to UTM easting, northing, and zone. Fast and accurate GPS coordinate conversion for mapping, surveying, navigation, and GIS applications. Updated for 2026.

Free Color Converter

Use our free Color Converter online. Instantly convert between HEX, RGB, HSL, HSV, and CMYK color formats. Fast and accurate color space conversion for web designers, graphic artists, and developers. Updated for 2026.

Free Seconds to Hours Converter

Use our free Seconds to Hours Converter online. Convert seconds to hours and hours to seconds instantly. 1 hour = 3,600 seconds. Essential for time conversion and scheduling.

Free mg to mL Converter

Use our free mg to mL Converter online. Convert milligrams to milliliters based on substance density. Perfect for medication dosing, cooking, and laboratory measurements. Supports water, milk, oil, and custom substances. Updated for 2026.

Lot Size to Acres Converter

Use our free Lot Size to Acres Converter online. Quickly convert any lot size from square feet, square meters, or square yards into acres. Accurate and instant results for real estate, property assessment, and land planning. Updated for 2026.

Free Conversion Calculator

Use our free Conversion Calculator online. Convert between length, weight, volume, temperature, area, speed, time, data storage, pressure, and energy units. Fast, accurate unit conversion for any measurement need. Updated for 2026.

Free Feet to Centimeters Converter

Use our free Feet to Centimeters Converter online. Instantly convert between feet and centimeters for accurate length measurements. Perfect for construction, travel, fitness, and everyday measurement needs. Fast and reliable length converter. Updated for 2026.

Free Milliseconds Converter

Use our free Milliseconds Converter online. Quickly convert milliseconds to seconds, minutes, hours, and days. Accurate and instant time conversion for programming, science, and engineering. Updated for 2026.

Free Joules to Volts Converter

Use our free Joules to Volts Converter online. Instantly convert between energy (joules) and voltage (volts) using charge in coulombs. Perfect for electrical engineers, physics students, electronics hobbyists, and circuit design.

Free Hardness Conversion Calculator

Use our free Hardness Conversion Calculator online. Convert between Brinell (HBW), Rockwell (HRA, HRB, HRC), Vickers (HV), Shore (HS), and tensile strength (MPa). Fast and accurate material hardness conversion for engineers, machinists, metallurgists, and quality control professionals.

Free Dimensional Analysis Calculator

Use our free Dimensional Analysis Calculator online. Convert units using the factor-label method with step-by-step dimensional analysis. Supports length, mass, volume, temperature, area, speed, time, data, pressure, and energy units. Accurate conversion factors for science, engineering, and education. Updated for 2026.

Free Radiation Converter

Use our free Radiation Converter online. Convert between Sievert, Gray, rad, rem, and milli-units. Essential for radiology, nuclear science, and radiation safety.

Free Measurement Converter

Use our free Measurement Converter online. Instantly convert between length, weight, volume, temperature, area, speed, time, pressure, energy, data, angle, force, power, and frequency units. Fast and accurate measurement conversion for science, engineering, cooking, travel, and everyday use. Updated for 2026.

Free Seconds Converter

Use our free Seconds Converter online. Convert seconds to minutes, hours, days, weeks, years, and more. Essential for time conversion and time management.

Free Mbps to Gbps Converter

Use our free Mbps to Gbps Converter online. Instantly convert megabits per second (Mbps) to gigabits per second (Gbps) for internet speed, network bandwidth, and data transfer calculations. Accurate, fast, and easy to use. Updated for 2026.

Free mcg to mL Converter

Use our free mcg to mL converter online. Instantly convert micrograms to milliliters for medication dosing and lab work. Supports custom concentration values. Fast and accurate volume conversion for any substance.

Free Gallons to Kilograms Converter

Use our free Gallons to Kilograms Converter online. Instantly convert gallons (gal) to kilograms (kg) for water, milk, oil, gasoline, and many more substances with built-in density values. Supports both US and UK gallons. Fast and accurate volume-to-weight conversions. Updated for 2026.

Free Meters to Feet Converter

Use our free Meters to Feet Converter online. Instantly convert between meters and feet for accurate length measurements. Perfect for construction, height conversion, sports fields, and everyday measurement needs. Fast and reliable length converter. Updated for 2026.

Free Days to Years Converter

Use our free Days to Years Converter online. Instantly convert between days and years with our accurate time conversion tool. Perfect for age calculation, long-term planning, project timelines, and more. Updated for 2026.

Free mg to lbs Converter

Use our free mg to lbs Converter online. Instantly convert milligrams to pounds and vice versa. Perfect for pharmaceutical dosage, scientific research, and precise weight conversions. Updated for 2026.

Free Inches to Yards Converter

Use our free Inches to Yards Converter online. Instantly convert between inches and yards for accurate length measurements. Perfect for construction, landscaping, fabric measurement, and everyday distance conversions. Fast and reliable imperial length converter. Updated for 2026.

Free Lbs to Pounds Weight Converter

Use our free Lbs to Pounds converter online. Easily convert between pounds (lbs) and other weight units including kilograms, ounces, grams, and stones. Fast, accurate, and easy to use weight conversion tool. Updated for 2026.

Free Energy Conversion Calculator

Use our free Energy Conversion Calculator online. Instantly convert between joules, calories, kilowatt-hours, BTU, electronvolts, foot-pounds, and more. Fast and accurate energy unit conversion for science, engineering, fitness, and education. Updated for 2026.

KSI to PSI Converter

Use our free KSI to PSI Converter online. Instantly convert between kilopound per square inch (KSI) and pounds per square inch (PSI) with high accuracy. Perfect for engineers, materials scientists, and metalworking professionals needing fast stress unit conversions. Updated for 2026.

Free PSI to atm Converter

Use our free PSI to atm Converter online. Convert PSI to atm and atm to PSI instantly. 1 atm = 14.696 PSI. Essential for pressure conversion and scientific calculations.

Free Days to Months Converter

Use our free Days to Months Converter online. Instantly convert between days and months with our accurate time conversion tool. Perfect for planning, scheduling, project timelines, and more. Updated for 2026.

Free Crore to Million Converter

Use our free Crore to Million Converter online. Instantly convert between crores and millions with our easy-to-use numbering conversion tool. Accurate results for financial, business, and mathematical calculations. Updated for 2026.

Free CCF to Gallons Converter

Use our free CCF to Gallons Converter online. Instantly convert between CCF (Centum Cubic Feet) and US gallons. Fast, accurate volume conversions for water bills, natural gas, and industrial applications. Updated for 2026.

Free CM to Meters Converter

Use our free CM to Meters Converter online. Instantly convert between centimeters and meters with pinpoint accuracy. Perfect for construction, interior design, fabric measurements, and everyday metric length conversions.

Free Yard Conversion

Use our free Yard Conversion tool online. Instantly convert yards to meters, feet, inches, miles, centimeters, millimeters, kilometers, and nautical miles. Fast and accurate length unit conversion for construction, sports, landscaping, and everyday measurements. Updated for 2026.

Free Gallon Converter

Use our free Gallon Converter online. Instantly convert gallons to liters, quarts, pints, cups, fluid ounces, and more. Fast and accurate volume unit conversion for cooking, baking, science, and everyday use. Updated for 2026.

Meter Converter - Convert Meters to Any Length Unit

Use our free Meter Converter online. Instantly convert meters (m) to feet, inches, yards, centimeters, millimeters, kilometers, miles, and nautical miles. Accurate metric length conversions for construction, education, sports, and everyday measurement needs. Updated for 2026.

Free Million to Billion Converter

Use our free Million to Billion Converter online. Instantly convert millions to billions and billions to millions. Accurate number conversion for finance, business, and data analysis. Updated for 2026.

Centimeter Converter

Use our free Centimeter Converter online. Instantly convert centimeters (cm) to inches, feet, meters, kilometers, millimeters, yards, and miles. Accurate metric length conversions for education, construction, and everyday use. Updated for 2026.

Free Grams to Pounds Converter

Use our free Grams to Pounds (g to lbs) Converter online. Instantly convert between grams and pounds with high precision. Perfect for cooking, shipping, fitness, and everyday weight conversions. Fast, accurate, and easy to use. Updated for 2026.

Free Kelvin Converter

Use our free Kelvin Converter online. Instantly convert between Kelvin, Celsius, Fahrenheit, Rankine, and Réaumur with our easy-to-use temperature conversion tool. Accurate results for science, engineering, and education. Updated for 2026.

Capacitance Converter

Use our free Capacitance Converter online. Instantly convert between farads (F), millifarads (mF), microfarads (μF), nanofarads (nF), picofarads (pF), and femtofarads (fF). Perfect for electronics engineers, hobbyists, and students. Updated for 2026.

Free Force Conversion Calculator

Use our free Force Conversion Calculator online. Instantly convert between newtons, kilonewtons, pound-force, kilogram-force, dynes, kips, and more. Fast and accurate force unit conversion for physics, engineering, and education. Updated for 2026.

Free Area Converter

Use our free Area Converter online. Instantly convert between square meters, square feet, acres, hectares, square kilometers, square miles, square yards, and more. Fast and accurate area unit conversion for real estate, land measurement, construction, and education. Updated for 2026.

Free mg to teaspoon Converter

Use our free mg to teaspoon converter online. Convert milligrams to teaspoons based on ingredient density. Perfect for cooking, baking, medication dosing, and nutrition tracking. Updated for 2026.

Free Square Feet Converter

Use our free Square Feet Converter online. Convert square feet to square meters, square inches, square yards, and acres. Essential for real estate and construction.

Free Micron to Mil Converter

Use our free Micron to Mil Converter online. Instantly convert micrometers (µm) to thousandths of an inch (mil) with high precision. Perfect for manufacturing, engineering, and quality control measurements. Updated for 2026.

Free Paper Quantity Converter

Use our free Paper Quantity Converter online. Convert between sheets, quires, and reams instantly. Perfect for printing, publishing, and office supplies.

Free Grams to Calories Converter

Use our free Grams to Calories Converter online. Instantly convert grams of carbohydrates, protein, fat, and other macronutrients to calories. Perfect for meal planning, nutrition tracking, and dietary calculations. Updated for 2026.

ATM to Pascals Converter

Use our free ATM to Pascals Converter online. Instantly convert standard atmospheres (atm) to pascals (Pa) and vice versa with high accuracy. Ideal for physics, chemistry, engineering, and meteorology pressure calculations. Updated for 2026.

Free Quarters to Dollars Calculator

Use our free Quarters to Dollars Calculator online. Convert quarters to dollars and dollars to quarters instantly. 1 quarter = $0.25. Essential for cash counting and coin management.

Free Years to Decades Converter

Use our free Years to Decades Converter online. Convert between years and decades instantly. Perfect for historical timelines, long-term planning, and time-based calculations.

Free Celsius Converter

Use our free Celsius Converter online. Instantly convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur with our easy-to-use temperature conversion tool. Accurate results for science, cooking, weather, and education. Updated for 2026.

Free Million to Thousand Converter

Use our free Million to Thousand Converter online. Instantly convert millions to thousands and thousands to millions. Accurate number conversion for finance, business, and data analysis. Updated for 2026.

Free Inches to Fraction Converter

Use our free Inches to Fraction Converter online. Instantly convert decimal inches to fractional inches with selectable precision. Perfect for woodworking, construction, machining, and DIY measurements where fractional inches are required. Accurate results in 1/2, 1/4, 1/8, 1/16, 1/32, or 1/64 inch increments. Updated for 2026.

Free Weeks to Months Converter

Use our free Weeks to Months Converter online. Instantly convert between weeks and months with our accurate time conversion tool. Perfect for planning, scheduling, project timelines, and more. Updated for 2026.

Free Decimeter to Meter Converter

Use our free Decimeter to Meter Converter online. Instantly convert between decimeters (dm) and meters (m) with pinpoint accuracy. Perfect for metric length conversions in science, education, construction, and everyday measurements. Updated for 2026.

Free Mile Converter

Use our free Mile Conversion tool online. Quickly convert miles to kilometers, meters, feet, yards, and more. Accurate and instant distance conversion for travel, sports, and engineering. Updated for 2026.

Free Square Meters to Square Feet Converter

Use our free Square Meters to Square Feet Converter online. Convert m² to ft² and ft² to m² instantly. 1 m² = 10.764 ft². Essential for real estate and international property.

Free Gallons to Quarts Converter

Use our free Gallons to Quarts converter online. Instantly convert volume between US gallons (gal) and quarts (US qt). Fast and accurate volume conversion for cooking, baking, meal prep, and everyday use. Updated for 2026.

Free MCG to MG Converter

Use our free mcg to mg Converter online. Instantly convert between micrograms (mcg) and milligrams (mg) with high precision. Perfect for medication dosages, supplements, and scientific measurements. Fast, accurate, and easy to use. Updated for 2026.

Free Metric to Imperial Converter

Use our free Metric to Imperial Converter online. Convert length, area, volume, weight, and temperature between metric and imperial systems instantly. Updated for 2026.

Free Military Time Converter

Use our free Military Time Converter online. Quickly convert between 12-hour AM/PM format and 24-hour military time. Accurate and instant time conversion for scheduling, aviation, and logistics. Updated for 2026.

Free Mil to Millimeter Converter

Use our free Mil to mm Conversion tool online. Quickly convert mils (thousandths of an inch) to millimeters and millimeters back to mils. Accurate and instant conversion for manufacturing, machining, and engineering. Updated for 2026.

Free CM to Feet and Inches Converter

Use our free CM to Feet and Inches Converter online. Instantly convert centimeters to feet and inches for accurate height measurements. Perfect for personal use, medical records, fitness tracking, and travel. Fast and reliable metric to imperial height converter. Updated for 2026.

Free Torr to atm Converter

Use our free Torr to atm Converter online. Convert pressure between torr, atm, mmHg, Pa, bar, psi, and kPa instantly. 1 atm = 760 torr. Essential for physics and chemistry. Updated for 2026.

Free Liters to Centiliters Converter

Use our free Liters to Centiliters Converter online. Instantly convert between liters (L) and centiliters (cL), milliliters (mL), deciliters (dL), and gallons. Fast and accurate volume unit conversions for cooking, science, and everyday use. Updated for 2026.

Free Pounds to Grams Converter

Use our free Pounds to Grams Converter online. Convert pounds to grams and grams to pounds instantly. Accurate weight conversion for cooking, science, and shipping.

Micrometer Converter - Convert Micrometers to Any Length Unit

Use our free Micrometer Converter online. Instantly convert micrometers (µm) to millimeters, centimeters, meters, inches, feet, and many other length units across metric, imperial, and scientific measurement systems. Accurate micron length conversions for engineering, manufacturing, science, and precision measurement. Updated for 2026.

Free Unicode Text Converter

Use our free Unicode Text Converter online. Instantly transform any text into circled, squared, reversed, and monospaced Unicode fonts. Generate fancy text styles for social media, bios, and creative projects. Fast and free, no signup required. Updated for 2026.

Free Land Area Converter

Use our free Land Area Converter online. Instantly convert between acres, hectares, square feet, square meters, square kilometers, and more. Fast and accurate land area unit conversion for real estate, agriculture, property, surveying, and education. Updated for 2026.

Acres to Square Feet Converter

Use our free Acres to Square Feet Converter online. Instantly convert between acres and square feet with our easy-to-use area conversion tool. Accurate results for real estate, land measurement, and property planning. Updated for 2026.

Free Feet Converter

Use our free Feet Converter online. Instantly convert feet to inches, yards, miles, meters, centimeters, and more. Fast and accurate length unit conversion for construction, travel, and everyday use. Updated for 2026.

Free Gematria Calculator

Use our free Gematria Calculator online. Calculate numeric values of words and phrases using Jewish, English, and Hebrew gematria systems. Fast, accurate letter-to-number conversions. Updated for 2026.

Free Cubic Feet Converter

Use our free Cubic Feet Converter online. Instantly convert between cubic feet, cubic inches, cubic yards, gallons, liters, and more. Fast and accurate volume unit conversion for construction, shipping, and everyday use. Updated for 2026.

Free Stone to kg Converter

Use our free Stone to kg Converter online. Convert stone to kilograms and kilograms to stone instantly. 1 stone = 6.350 kg. Essential for UK body weight measurement.

Free Yards to Meters Converter

Use our free Yards to Meters Converter online. Instantly convert between yards and meters for accurate length measurements. Perfect for sports fields, construction, fabric measurements, and everyday distance conversions. Fast and reliable imperial-to-metric length converter. Updated for 2026.

Free ATM to Pressure Unit Converter

Use our free ATM Pressure Converter online. Instantly convert between standard atmospheres (atm), pascals, kilopascals, megapascals, bars, millibars, psi, torr, mmHg, and inHg. Fast and accurate pressure unit conversion for science, engineering, meteorology, and education. Updated for 2026.