Unit Converters
2676 free unit converters — including Celsius to Fahrenheit Converter and Kilograms to Pounds Converter. Instant results in your browser, with the formula shown.
Gigawatt-hours to Megawatt-hours Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatt-hours to Megaelectronvolts Converter
Free online tool — instant, accurate conversions in your browser.
Megaelectronvolts to Electronvolts Converter
Free online tool — instant, accurate conversions in your browser.
Watts to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Watts to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Watts to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Watts Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Horsepower (Mechanical) Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Metric Horsepower Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Foot-pounds per Second Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Calories per Second Converter
Free online tool — instant, accurate conversions in your browser.
Kilowatts to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Watts Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Kilowatts Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Horsepower (Mechanical) Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Metric Horsepower Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Foot-pounds per Second Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Calories per Second Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Megawatts to Tons of Refrigeration Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Watts Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Kilowatts Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Megawatts Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Horsepower (Mechanical) Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Metric Horsepower Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Foot-pounds per Second Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Calories per Second Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Gigawatts to Tons of Refrigeration Converter
Free online tool — instant, accurate conversions in your browser.
Milliwatts to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Watts Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Metric Horsepower Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Foot-pounds per Second Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Calories per Second Converter
Free online tool — instant, accurate conversions in your browser.
Horsepower (Mechanical) to Microwatts Converter
Free online tool — instant, accurate conversions in your browser.
Metric Horsepower to Watts Converter
Free online tool — instant, accurate conversions in your browser.
Metric Horsepower to Milliwatts Converter
Free online tool — instant, accurate conversions in your browser.
Metric Horsepower to BTU per Hour Converter
Free online tool — instant, accurate conversions in your browser.
Metric Horsepower to Foot-pounds per Second Converter
Free online tool — instant, accurate conversions in your browser.
Metric Horsepower to Calories per Second Converter
Free online tool — instant, accurate conversions in your browser.
US versions — all US-unit converters (124)
bushel (21)
cup (11)
fluid ounce (8)
gallon (17)
gallon per hour (1)
gallon per minute (3)
gill (10)
pint (12)
quart (14)
tablespoon (5)
teaspoon (3)
ton (19)
About Unit Converters
2676 free Unit Converters tools are listed on this page, led by Celsius to Fahrenheit Converter, Kilograms to Pounds Converter and Kilometers to Miles Converter in popularity order. Each computes its result directly in your browser and shows the formula it applies. The collection breaks down into 6 subcategories — the largest are Length (1088), Volume (482). No accounts, no fees — every answer ships with the arithmetic behind it.
What you can calculate
Length, Volume, Weight, Area, Speed
Top Unit Converters Calculators
Length Converter
Convert between different units of length including meters, feet, inches, and kilometers.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Celsius to Fahrenheit Converter
Convert temperature from Celsius to Fahrenheit and vice versa.
Kilometers to Miles Converter
Convert distances between kilometers and miles.
Kilograms to Pounds Converter
Convert weight between kilograms and pounds.
FAQs about Unit Converters
What is the best calculator in the Unit Converters category?
The most popular Unit Converters tools on this site are Celsius to Fahrenheit Converter, Kilograms to Pounds Converter and Kilometers to Miles Converter, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Unit Converters calculators free to use?
Yes — all 2676 tools in the Unit Converters category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Unit Converters category?
The Unit Converters category currently lists 2676 free tools across 6 subcategories, the largest being Length (1088), Volume (482), Weight (454). Use the filter chips at the top of the list to jump straight to the type you need.