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Free Unit Converter — Length, Weight, Temperature, Area, Volume & More

Product Updates Tools.Town Team 18 April 2026 3 min read

Convert between units across 8 families: length, weight, temperature, area, volume, speed, data size, and time. 50+ units supported. Instant, client-side.

One tool for every conversion you need.

The Tools.Town Unit Converter covers 8 unit families with 50+ individual units:

FamilyExamples
Lengthmetres, kilometres, miles, feet, inches, cm
Weightkilograms, pounds, ounces, tonnes, grams
TemperatureCelsius, Fahrenheit, Kelvin, Rankine
Aream², km², acres, hectares, sq ft
Volumelitres, ml, US gallons, cups, fl oz
Speedkm/h, mph, m/s, knots
Databytes, KB, MB, GB, TB, PB
Timeseconds, minutes, hours, days, weeks, months, years

Select a family, pick your source and target units, enter a value — conversion is instant.

Frequently Asked Questions

What unit families are supported? Length (m, km, miles, feet, inches…), weight (kg, lb, oz, tonnes…), temperature (°C, °F, K), area (m², km², acres, hectares…), volume (L, mL, gallons, cups…), speed (km/h, mph, m/s…), data (bytes, KB, MB, GB, TB…), and time (seconds to years).

How many units are there in total? 50+ units across all 8 families.

Is it accurate for scientific use? Yes — conversion factors use published SI values to full double-precision floating point.


Try it now — Open Unit Converter — no signup required.

Frequently Asked Questions

What unit families are supported?
Length (m, km, miles, feet, inches…), weight (kg, lb, oz, tonnes…), temperature (°C, °F, K), area (m², km², acres, hectares…), volume (L, mL, gallons, cups…), speed (km/h, mph, m/s…), data (bytes, KB, MB, GB, TB…), and time (seconds to years).
How many units are there in total?
50+ units across all 8 families.
Is it accurate for scientific use?
Yes — conversion factors use published SI values to full double-precision floating point.

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