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.
Search Unit Converters calculators
- Length Converter – Meters, Feet & Inches Table
- Temperature Converter – Celsius, Fahrenheit
- Celsius to Fahrenheit Converter – °C to °F Instantly (°F = °C × 9/5 + 32)
- Km to Mi Converter – Convert kilometers to miles
- Kg to Lbs Converter – Kilograms to Pounds Instantly (1 lb = 0.45359237 kg)
- Weight & Mass Converter – Kilograms, Pounds
- Number System Converter – Binary, Decimal & Hex
- Liters to Gallons Converter – L to Gal & Gal to Liters Instantly
Km to Mi Converter – Convert kilometers to miles
Convert distances between kilometers and miles.
Cm to Inches Converter – Instant cm to in Conversion (1 in = 2.54 cm)
Convert cm to inches and back instantly: 1 inch = 2.54 cm exactly, so inches = cm ÷ 2.54 — with formula, examples and a quick table.
M to Ft Converter – Convert meters to feet
Convert length between meters and feet.
Mm to In Converter – Convert millimeters to inches
Convert millimeters to inches and vice versa.
Nmi to Km Converter – nautical miles to kilometers
Convert nautical miles to kilometers.
Speed to Pace Converter – km/h to min/km
Convert between speed and running pace.
Yd to M Converter – Convert yards to meters
Convert yards to meters and vice versa.
Nm to Μm Converter – nanometers to micrometers
Convert length from nanometers to micrometers.
Ftm to M Converter – Convert fathoms to meters
Convert fathoms to meters.
Nm to Å Converter – Convert nanometers to angstroms
Convert nanometers to angstroms.
Gal to Ft³ Converter – US gallons to cubic feet
Convert gallons to cubic feet.
Fur to M Converter – Convert furlongs to meters
Convert distance from furlongs to meters.
Meters to Yards Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Feet Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Inches Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Meters to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Meters Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Kilometers to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Decimeters to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Centimeters to Millimeters Converter
Free online tool — instant, accurate conversions in your browser.
Centimeters to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Kilometers Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Yards Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Miles to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Yards to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Yards to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Yards to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Yards to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Feet to Inches Converter
Free online tool — instant, accurate conversions in your browser.
Feet to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Feet to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Inches to Centimeters Converter
Free online tool — instant, accurate conversions in your browser.
Inches to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Nautical Miles to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Nautical Miles to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Nautical Miles to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Nautical Miles to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
US versions — all US-unit converters (8)
fluid ounce (1)
tablespoon (1)
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 – Meters, Feet & Inches Table
Convert between different units of length including meters, feet, inches, and kilometers.
Temperature Converter – Celsius, Fahrenheit
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Celsius to Fahrenheit Converter – °C to °F Instantly (°F = °C × 9/5 + 32)
Convert Celsius to Fahrenheit and back instantly with the exact formula °F = °C × 9/5 + 32 — plus a worked-examples table.
Km to Mi Converter – Convert kilometers to miles
Convert distances between kilometers and miles.
Kg to Lbs Converter – Kilograms to Pounds Instantly (1 lb = 0.45359237 kg)
Convert kg to lbs and back instantly: 1 pound = 0.45359237 kg exactly, so 1 kg = 2.20462262 lbs — with formula and a quick table.
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.