One converter for everything
Pick a category — length, weight, temperature, area, volume, speed, time, data size, pressure or energy — enter a value and choose the units. The result updates instantly, and a table shows the same value in every unit of that category.
Conversions use exact international definitions (1 inch = 2.54 cm, 1 pound = 0.45359237 kg) and cover US customary units (inches, feet, miles, pounds, ounces, gallons, °F) alongside metric and a few regional units such as the tola and quintal.
How to convert units
- 1
Choose a category
For example length or weight.
- 2
Enter the value
And pick the unit you have.
- 3
Choose the unit you need
Or read it from the full table.
Key features
10 categories
From everyday to technical units.
Every unit at once
No need to convert one by one.
Exact factors
Official definitions, not rounded values.
US and metric
Plus regional units like tola, quintal and gaj.
Common uses
- Cooking and shopping: Cups to millilitres, pounds to kg.
- Property: Square feet, gaj, acres and hectares.
- Tech: GB vs GiB, MB to KB.
Tips and good to know
- Storage makers use GB = 1,000 MB, while operating systems often show GiB = 1,024 MiB — that's why a 1 TB drive shows about 931 GB.
- Land units like bigha and kanal vary by state, so they're not included.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54 cm.
How many square feet are in a gaj?
One gaj (square yard) is 9 square feet, or 0.836 square metres.
What's the difference between GB and GiB?
A GB is 1,000,000,000 bytes; a GiB is 1,073,741,824 bytes (1024³).