AscendLab

Converters

单位换算

Free tool

Unit Converter

Convert common length, weight, temperature, data size, area, and volume units directly in your browser. Switch categories, swap units, and copy results quickly.

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Quick answer

A unit converter changes a value from one measurement unit to another within the same category.

Temperature uses offset formulas, while most other categories convert through shared base units.

Best inputs for unit conversion

Choose the matching category

Length, weight, area, volume, data, and temperature use different conversion rules.

Watch rounded output

Everyday conversions are fine here, but legal, scientific, or industry work may need more precision.

Conversion model

result =target.fromBase(source.toBase(value))

Most categories convert through a shared base unit. Temperature uses dedicated formulas because Fahrenheit, Celsius, and Kelvin include offsets.

Practical coverage

This page focuses on everyday conversions for product specs, labels, shipping, recipes, file sizes, layouts, and measurement cleanup.

Example, assumptions, and limitations
Use this converter for practical everyday values, then verify specialized requirements when precision rules matter.

Example

10 inches converts to 25.4 centimeters because 1 inch equals 2.54 centimeters.

Assumption

Most units convert through a shared base unit. Temperature is handled separately because it uses offsets.

Limitation

Displayed results may be rounded. Scientific, legal, and industry-specific unit variants may need dedicated references.

Common use cases
Use everyday unit conversion when measurement values need to move between contexts.

Product specs

Convert dimensions, weights, and file sizes for listings or documentation.

Recipes and labels

Switch volume and weight units when cleaning up copied measurements.

Temperature checks

Convert Celsius, Fahrenheit, and Kelvin with the correct offset formulas.

Data sizes

Compare decimal KB/MB/GB and binary KiB/MiB/GiB values.

Frequently asked questions

Can I convert inches to centimeters?

Yes. Choose Length, set From to Inches, and set To to Centimeters.

Can I convert pounds to kilograms?

Yes. Choose Weight, then convert Pounds to Kilograms or any other supported weight unit.

Does this support binary data units?

Yes. It includes KiB, MiB, and GiB alongside decimal KB, MB, and GB.

Does this store my inputs?

No. The conversion runs locally in your browser and does not need a backend.

Suggested workflow

Everyday conversion path

Move from general units to CSS sizing and color values when a measurement becomes part of a design or page.

Step 1
Convert everyday units
Handle length, weight, temperature, data, area, and volume.
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Step 2
Convert CSS units
Translate layout values between px, rem, em, and percent.
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Step 3
Convert colors
Prepare HEX, RGB, and HSL values for CSS or design tokens.
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