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
Nautical Miles to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Furlongs to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Furlongs to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Furlongs to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Furlongs to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Furlongs to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Fathoms to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Fathoms to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Fathoms to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Fathoms to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Fathoms to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Astronomical Units to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Astronomical Units to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Astronomical Units to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Astronomical Units to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Astronomical Units to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Light Years to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Light Years to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Light Years to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Light Years to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Light Years to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Parsecs to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Parsecs to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Parsecs to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Parsecs to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Parsecs to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Hands to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Rods to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Rods to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Rods to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Rods to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Rods to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Chains to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Chains to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Chains to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Chains to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Chains to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Leagues to Cubits Converter
Free online tool — instant, accurate conversions in your browser.
Leagues to Spans Converter
Free online tool — instant, accurate conversions in your browser.
Leagues to Paces Converter
Free online tool — instant, accurate conversions in your browser.
Leagues to Barleycorns Converter
Free online tool — instant, accurate conversions in your browser.
Leagues to Ells Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Meters Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Decimeters Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Centimeters Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Millimeters Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Micrometers Converter
Free online tool — instant, accurate conversions in your browser.
Cubits to Nanometers 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.