How do I convert km to miles?

Multiply kilometers by 0.621371 to get miles, or divide miles by 0.621371 to get kilometers. One kilometer equals approximately 0.621 miles. In our unit converter, select Length, choose km and miles, type a value, and the result updates instantly — no manual formula needed.

What is the formula for Celsius to Fahrenheit?

°F = (°C × 9/5) + 32. Example: 25°C → (25 × 9/5) + 32 = 77°F. To convert back: °C = (°F − 32) × 5/9. Our temperature mode applies the exact formula so you avoid rounding errors on homework or recipes.

How many feet are in a meter?

One meter equals 3.28084 feet (about 3 feet 3⅜ inches). To convert meters to feet, multiply by 3.28084. For quick work, use our length converter and swap between m and ft with one click.

What countries use the imperial system?

The United States relies on imperial units for everyday distance, weight, and temperature (Fahrenheit). Liberia and Myanmar use imperial in some contexts. The United Kingdom uses a mix — miles on roads, but metric in science and trade. Most other countries use the metric system officially.

How do I convert kg to pounds?

Multiply kilograms by 2.20462 to get pounds. Example: 70 kg × 2.20462 ≈ 154.32 lb. For pounds to kg, divide by 2.20462. Select Weight in our unit converter, pick kg and lb, and enter any value for an instant result.

Unit Converter — Free Online Measurement Calculator

About This Tool

Unit Converter: Length, Weight, Temperature & More

What Is a Unit Converter?

A unit converter translates values between measurement systems—inches and centimeters, pounds and kilograms, Celsius and Fahrenheit, and more—using standard conversion factors.

The XSular Unit Converter runs in your browser with instant results as you type. No data is sent to a server.

How to Use the Unit Converter

Pick a category tab (length, weight, volume, temperature, time, pressure, energy, data, and more). Search for units instead of scrolling, enter a value, and see results update instantly.

Use the swap button to reverse direction, or tap a common conversion chip for presets like 1 kg to lbs or 1 gallon to liters. Copy the formatted result for homework, travel, cooking, or engineering.

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XSular Tools offers a growing collection of free utilities designed for speed, privacy, and simplicity — all running in your browser with no signup. Percentage Calculator — Free Online Percent Math Tool, Number to Words Converter — Free Online Spelling Tool, Age Calculator — Free Online Date of Birth Tool, Currency Converter — Free Online Live Exchange Rates, Word Counter — Free Online Text & Character Counter, or Text Case Converter — Free Online Letter Case Changer.

Frequently Asked Questions

About This Tool

Unit Converter: Length, Weight, Temperature & More

What Is a Unit Converter?

A unit converter translates values between measurement systems—inches and centimeters, pounds and kilograms, Celsius and Fahrenheit, and more—using standard conversion factors.

The XSular Unit Converter runs in your browser with instant results as you type. No data is sent to a server.

How to Use the Unit Converter

Pick a category tab (length, weight, volume, temperature, time, pressure, energy, data, and more). Search for units instead of scrolling, enter a value, and see results update instantly.

Use the swap button to reverse direction, or tap a common conversion chip for presets like 1 kg to lbs or 1 gallon to liters. Copy the formatted result for homework, travel, cooking, or engineering.