Calculators

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Unit Converter

Convert units of length, weight, temperature, area, volume, speed, digital storage, and time instantly.

Length Converter

From Value

Converted Result

Quick Values:

Live Conversion

1 m = 3.28084 ft

Formula Factor: 1 m = 3.28084 ft

Equivalent in All Length Units

Meters (m)1

Kilometers (km)0.001

Centimeters (cm)100

Millimeters (mm)1,000

Feet (ft)3.28084

Inches (in)39.370079

Yards (yd)1.093613

Miles (mi)0.000621

What does Unit Converter do?

To convert between measurement units, multiply the source value by the ratio factor of the source unit relative to the target unit base. Formula: Converted Value = Source Value × (Source Ratio ÷ Target Ratio).

About Unit Converter

Free online multi-unit converter. Convert between metric and imperial units across 8 core categories including Length, Weight/Mass, Temperature, Area, Volume, Speed, Digital Storage, and Time with 100% browser-based privacy.

Features & Capabilities

8 categories: Length, Weight, Temperature, Area, Volume, Speed, Digital Storage, Time
Bi-directional unit swap button
Simultaneous breakdown grid across all category units
Formula and conversion factor indicator
Quick value presets
1-click copy summary

Common Scenarios & Use Cases

Converting height, distance, and dimensions between metric (m, km) and imperial (ft, in, mi)
Converting body weight, cooking recipes, and package weights (kg, g, lbs, oz)
Converting digital file sizes between Bytes, KB, MB, GB, and TB

Unit Conversion Ratio Formula

Converted Value = Source Value * (Source Ratio / Target Ratio)

Converts source value to base standard unit, then scales base value to target unit ratio.

Worked Calculation Examples

Example 1: Convert 5 Kilometers to Miles

Calculation: 5 km × (1000m / 1609.344m)Result: 3.106856 Miles

Example 2: Convert 25° Celsius to Fahrenheit

Calculation: (25 × 9/5) + 32Result: 77°F

Example 3: Convert 1 Gigabyte to Megabytes

Calculation: 1 GB × 1024Result: 1,024 MB (1,048,576 KB)

How to Use Unit Converter

Select Category

Choose Length, Weight, Temperature, Area, Volume, Speed, Digital Storage, or Time.

Enter Value & Select Units

Type your number and select your 'From' and 'To' units.

View Instant Conversion & Copy

See converted result, formula breakdown, and all-unit equivalent grid instantly.

Frequently Asked Questions

How do I convert Celsius to Fahrenheit?

Select Temperature category, set 'From' to Celsius (°C) and 'To' to Fahrenheit (°F). The conversion uses the formula °F = (°C × 9/5) + 32.

Can I swap 'From' and 'To' units quickly?

Yes! Click the bi-directional swap button (⇆) between the two unit dropdowns to instantly reverse the conversion direction.

Are all unit conversions calculated locally?

Yes. All conversions happen 100% locally inside your browser for instant performance and absolute privacy.

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