Unit Converter

Precise online unit conversion tool supporting length, weight, temperature, area, and volume conversions

Input Value

Conversion Result

💡 Real-time conversion • High precision • Multiple unit categories • One-click swap
Real-time conversionHigh precision calculationsMultiple unit categoriesBidirectional conversionOne-click copyGlobal unit standards

Unit Conversion Categories & Supported Units

View all unit types supported under each category

LengthSelected

Length unit conversion, including metric and imperial units

Supported Units:
m - Meter
cm - Centimeter
mm - Millimeter
km - Kilometer
in - Inch
ft - Foot
yd - Yard
mi - Mile
Total 8 units

Weight

Weight unit conversion, supporting metric and imperial weight units

Supported Units:
kg - Kilogram
g - Gram
lb - Pound
oz - Ounce
t - Ton
st - Stone
Total 6 units

Temperature

Temperature unit conversion, supporting Celsius, Fahrenheit and Kelvin

Supported Units:
°C - Celsius
°F - Fahrenheit
K - Kelvin
Total 3 units

Area

Area unit conversion, including square meters, hectares, acres, etc.

Supported Units:
- Square Meter
cm² - Square Centimeter
km² - Square Kilometer
ft² - Square Foot
ac - Acre
ha - Hectare
Total 6 units

Volume

Volume unit conversion, supporting liters, gallons, pints and other units

Supported Units:
Cubic Units
- Cubic Meter
km³ - Cubic Kilometer
cm³ - Cubic Centimeter
mm³ - Cubic Millimeter
mi³ - Cubic Mile
yd³ - Cubic Yard
ft³ - Cubic Foot
in³ - Cubic Inch
Metric Units
L - Liter
mL - Milliliter
US Units
gal (US) - US Gallon
qt (US) - US Quart
pt (US) - US Pint
cup (US) - US Cup
fl oz (US) - US Fluid Ounce
tbsp (US) - US Table Spoon
tsp (US) - US Tea Spoon
Imperial Units
gal (UK) - Imperial Gallon
qt (UK) - Imperial Quart
pt (UK) - Imperial Pint
fl oz (UK) - Imperial Fluid Ounce
tbsp (UK) - Imperial Table Spoon
tsp (UK) - Imperial Tea Spoon
Total 23 units

Time

Time unit conversion, supporting full range from picoseconds to years

Supported Units:
Sub-second Units
ms - Millisecond
μs - Microsecond
ns - Nanosecond
ps - Picosecond
Basic Units
s - Second
min - Minute
h - Hour
Long-term Units
d - Day
wk - Week
mo - Month
yr - Year
Total 11 units

Professional Online Unit Converter Tool

Our unit converter is a powerful online measurement tool that supports precise conversion of multiple units including length, weight, temperature, area, and volume. Popular conversions include lbs to kg, cm to inches, inch to cm, kg to lbs and more. Whether you are an engineer performing technical calculations or a student learning physics and chemistry, you can quickly complete unit conversion tasks with our tool. The tool is completely free, provides real-time conversion, and protects your data privacy.

lbs to kgcm to inchesinch to cmkg to lbsunit converterTime ConversionTemperatureAreaVolume

Tool Features

Our unit converter has the following powerful features

Real-time Conversion

Convert as you type, no waiting required, providing instant conversion results

High Precision

Advanced calculation algorithms ensure maximum precision for all conversions

Bidirectional Conversion

Easily swap between source and target units with one click

Multiple Categories

Support length, weight, temperature, area, and volume conversions

One-click Copy

Quickly copy conversion results to clipboard for easy use

Global Standards

Support metric, imperial, and US customary unit systems

How to Use

Complete unit conversion in just four simple steps

1

Select Category

Select the unit category to convert

2

Choose Units

Choose source and target units

3

Enter Value

Enter the value in the input box

4

Get Result

Real-time display of conversion results

Frequently Asked Questions

Frequently asked questions about the unit converter

What unit categories does this converter support?

Our converter supports five main categories: Length (meters, feet, inches, etc.), Weight (kilograms, pounds, ounces, etc.), Temperature (Celsius, Fahrenheit, Kelvin), Area (square meters, acres, etc.), and Volume (liters, gallons, etc.).

How accurate are the conversion results?

Our converter uses high-precision calculation algorithms with up to 10 decimal places. Results are scientifically accurate and suitable for professional and academic use.

Can I convert between any units within a category?

Yes, you can convert between any units within the same category. For example, within length, you can convert from meters to inches, feet to centimeters, and any other combination.

Does the tool work offline?

The conversion calculations are performed locally in your browser, so once the page is loaded, basic functionality works without an internet connection.

Is this converter free to use?

Completely free! Our unit converter requires no registration, has no usage limits, and is permanently available at no cost.

How to quickly convert lbs to kg?

Use our unit converter, select the weight category, set source unit to pound (lb) and target unit to kilogram (kg), then input your value to see the conversion result instantly. 1 lb ≈ 0.453592 kg.

How to convert cm to inches?

In the length converter, select centimeter (cm) as input unit and inch (in) as output unit. Conversion formula: 1 cm = 0.393701 inches. Our tool provides precise real-time conversion.

What is the conversion factor for inch to cm?

1 inch = 2.54 cm. This is the international standard conversion factor. Use our length unit converter for quick inch to cm conversion with precise calculations for any value.

What is the accurate conversion ratio for kg to lbs?

1 kg = 2.20462 lbs. Our weight converter uses precise international standard coefficients for kg to lbs conversion, ensuring accurate results. Suitable for fitness, cooking, scientific calculations and various scenarios.

What common conversions does this unit converter support?

Our unit converter supports 6 major categories: length (like cm to inches, inch to cm), weight (like lbs to kg, kg to lbs), temperature, area, volume, and time. Covering 60+ common units to meet daily life and professional work needs.

Why is my conversion result displayed in scientific notation?

When values are very large (≥1,000,000) or very small (<0.0001), the system automatically uses scientific notation to ensure accuracy and readability.

Which unit systems does the tool support?

We support multiple unit systems including International System (SI), Imperial units, US customary units, covering common categories like length, weight, temperature, area, and volume.

How do you ensure the accuracy of conversion results?

We use international standard conversion formulas and precise conversion factors. All calculations are rigorously tested. For temperature conversions, we use standard linear conversion formulas to ensure accuracy.

How does temperature conversion handle absolute zero?

Our temperature conversion fully follows physics laws. Absolute zero (-273.15°C, -459.67°F, 0K) is handled correctly. Temperatures below absolute zero don't exist physically, but the tool performs mathematical calculations for reference.

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