What measurement categories are supported?

The tool supports 5 categories: Length (meters, feet, inches, kilometers, miles, etc.), Weight (kilograms, pounds, ounces, grams, etc.), Temperature (Celsius, Fahrenheit), Volume (liters, gallons, cups, milliliters, etc.), and Speed (mph, km/h, m/s, etc.). Select the category that matches your conversion need.

Are conversions accurate?

Yes, conversions use standard conversion factors and formulas. For example, 1 meter = 3.28084 feet, 1 kilogram = 2.20462 pounds. Temperature conversions use standard formulas. Results are accurate to standard measurement precision. For critical applications, verify conversions match your requirements.

Can I convert between metric and imperial units?

Yes! The tool supports conversions between metric (meters, kilograms, Celsius, liters) and imperial (feet, pounds, Fahrenheit, gallons) units. Simply select the 'from' unit (e.g., meters) and 'to' unit (e.g., feet) from different systems, and the conversion will work.

What's the difference between US and imperial units?

US units and imperial units differ for some measurements. For example, 1 US gallon = 3.785 liters, while 1 imperial gallon = 4.546 liters. The tool supports both—select the correct unit type (US or imperial) for your needs. Most differences are in volume measurements.

Can I convert temperature between Celsius and Fahrenheit?

Yes! Select Temperature category, then choose Celsius or Fahrenheit as 'from' and 'to' units. The tool uses standard conversion formulas: Celsius to Fahrenheit: F = (C × 9/5) + 32. Fahrenheit to Celsius: C = (F - 32) × 5/9.

Unit Converter - Length Weight Temperature Free

When to Use This Tool

Use this when:

You need to convert measurements between metric and imperial units (e.g., meters to feet, kilograms to pounds)
You're cooking or baking and need to convert recipe measurements (cups to milliliters, ounces to grams)
You're working on construction or DIY projects and need unit conversions (inches to centimeters, pounds to kilograms)
You're doing scientific calculations and need to convert between measurement units
You're traveling internationally and need to convert units (miles to kilometers, Fahrenheit to Celsius)
You're analyzing data with mixed units and need standardized measurements
You want to convert speed, volume, or other measurements for calculations

Don't use this if:

You need to convert currency or financial units (use currency converters)
You require conversions for very specialized or non-standard units not supported
You need to convert units with complex formulas or multiple conversion factors
You require conversions for historical or obsolete measurement systems
You want to convert units for very large datasets (use spreadsheet software)

What is a Unit Converter?

A unit converter transforms measurements between different units across multiple categories — length, weight, temperature, volume, area, speed, data storage, time, and more. Our tool runs entirely in your browser with zero network dependency.

Unit conversion is a universal need across professions and daily life: engineers converting between metric and imperial measurements, cooks adjusting recipe quantities, travelers converting temperatures and distances, developers calculating data storage sizes, and scientists working across measurement systems.

This tool is valuable for engineers and architects working with international specifications, students solving physics and chemistry problems, travelers converting between metric and imperial systems, developers converting between bytes, kilobytes, megabytes, and gigabytes, and everyday users converting cooking measurements or room dimensions.

Compared to Google's built-in converter (which requires an internet connection and only handles one conversion at a time), dedicated apps (which require installation), or formula-based manual calculation (which is error-prone), PureXio's unit converter supports dozens of units across all major categories with instant bidirectional conversion.

The tool includes commonly used conversion shortcuts, a clean interface that shows the conversion formula for educational purposes, high-precision calculations, and the ability to chain conversions. All conversions use accurate, up-to-date conversion factors.

Best for: converting between hundreds of units across 10+ categories. Length, weight, temperature, data, speed, and more. Instant, accurate, offline-capable.

How to Convert Units

Select measurement category: Length, Weight, Temperature, Volume, or Speed. Each category has different unit options

Select 'from' unit and 'to' unit from the dropdown menus. Enter the value you want to convert in the 'from' field

Conversion happens automatically as you type. Review the converted result. You can swap units or change category to convert different measurements

Common Use Cases

Convert recipe measurements: 2 cups to milliliters (473 ml) or 8 ounces to grams (227 g)

Convert construction measurements: 10 feet to meters (3.05 m) or 50 pounds to kilograms (22.7 kg)

Convert temperature: 68°F to Celsius (20°C) or 25°C to Fahrenheit (77°F)

Convert travel distances: 100 miles to kilometers (161 km) or 5 kilometers to miles (3.1 mi)

Convert speed: 60 mph to km/h (96.6 km/h) or 100 km/h to mph (62.1 mph)

Convert volume: 1 gallon to liters (3.79 L) or 500 milliliters to cups (2.1 cups)

Convert weight: 150 pounds to kilograms (68 kg) or 1 ton to kilograms (1000 kg)

Features

Convert between multiple measurement categories: Length, Weight, Temperature, Volume, Speed

Support for metric units (meters, kilograms, Celsius, liters, etc.)

Support for imperial units (feet, pounds, Fahrenheit, gallons, etc.)

Support for US units (US gallons, US cups, etc.)

Real-time conversion—results update as you type

Bidirectional conversion—convert in either direction by swapping units

100% private—all calculations happen in your browser

Limitations & Constraints

Supports standard measurement units—very specialized or non-standard units may not be available

Temperature conversion uses standard formulas—some specialized temperature scales may not be supported

Very large or very small numbers may have precision limitations in browser JavaScript

Some unit conversions may have slight rounding differences compared to exact mathematical conversions

Cannot convert between units from different categories (e.g., length to weight)

Troubleshooting

Conversion shows wrong result or error

Solution: Check that you entered a valid number—non-numeric input causes errors. Ensure you selected units from the same category (e.g., don't try to convert length to weight). Verify 'from' and 'to' units are correctly selected. Prevention: Enter valid numbers and select units from the same category.

Result seems incorrect or off

Solution: Verify unit selections are correct. Some units have similar names (e.g., US gallon vs imperial gallon). Check that you're using the right unit type for your needs. Temperature conversions use standard formulas—verify formulas if results seem wrong. Prevention: Double-check unit selections and understand unit differences.

Need to convert units not in the list

Solution: The tool supports standard measurement units. If your unit isn't available, it may be non-standard or very specialized. Try finding an equivalent standard unit, or use specialized conversion tools. Common units (metric, imperial, US) are supported. Prevention: Check if your unit has a standard equivalent.

Temperature conversion seems wrong

Solution: Temperature conversions use standard formulas: Celsius to Fahrenheit: F = (C × 9/5) + 32. Fahrenheit to Celsius: C = (F - 32) × 5/9. Verify formulas if results seem wrong. Some temperature scales (Kelvin) may not be directly supported—convert through Celsius. Prevention: Understand temperature conversion formulas.

Result has too many decimal places

Solution: Results are displayed with standard decimal precision. For practical use, round results as needed. For example, cooking measurements can be rounded to reasonable precision (e.g., 473.18 ml can be rounded to 473 ml). The tool provides precise conversions; round for display as needed. Prevention: Round results manually for practical use.