Unit converter

Convert 11 quantities: length, mass, volume, temperature, duration, speed, area, pressure, energy, power and data. Distinguishes decimal and binary prefixes.

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Set your data

Value to convert

Quantity

From

Result

Enter your data and run the tool. Your result will appear here.

From one unit to another

Swap the units or convert one input unit. For temperature you can try reference values.

The values you enter stay on this page. Reloading or closing it clears them.

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How to use the tool

Fill in these fields: Value to convert, Quantity, From, To.
Select “Convert” to obtain the result.
Swap the units or convert one input unit. For temperature you can try reference values.
Drag the controls in the figure, or focus them and use the arrow keys. The form updates immediately. Use the form fields for values outside the figure’s scale.
The result updates as you edit the fields or the figure. You can copy it immediately.

Method and principles

Length

y = \frac{x \times a}{b}

K = °C + 273.15

°F = °C \times \frac{9}{5} + 32

Practical example

Input

Value to convert: 1000
Quantity: Length
From: m
To: km

Result

1 km

Limits and checks

Limits and checks
Parameter	Value
Value to convert	≥ -1000000000000; ≤ 1000000000000

Sources and further reading

NIST · SI conversion factors

PRACTICAL GUIDES

Why a light package can have a higher billable weight

A package takes up space even when its contents are light. Understanding a shipping estimate requires comparing scale weight with volume under the selected service’s rules.

Follow the steps