How do I convert meters to feet?

Select 'Length', enter your value, choose 'Meter (m)' as the From unit and 'Foot (ft)' as the To unit. The result appears instantly. 1 meter equals approximately 3.28084 feet.

How do I convert Celsius to Fahrenheit?

Select 'Temperature', enter your Celsius value, choose '°C' as the From unit and '°F' as the To unit. The formula used is: °F = (°C × 9/5) + 32.

How do I convert kilograms to pounds?

Select 'Weight', enter your value, choose 'Kilogram (kg)' as the From unit and 'Pound (lb)' as the To unit. 1 kilogram equals approximately 2.20462 pounds.

How do I convert liters to gallons?

Select 'Volume', enter your value, choose 'Liter (L)' as the From unit and 'Gallon (US gal)' as the To unit. 1 US gallon equals approximately 3.78541 liters.

Unit Converter — Length, Weight, Temperature, Volume | D Tools

About This Unit Converter

Our free unit converter handles four of the most commonly searched conversion categories: length, weight, temperature, and volume. Whether you're converting meters to feet for a DIY project, kilograms to pounds for a recipe, Celsius to Fahrenheit for travel, or liters to gallons for a road trip, this tool gives you an instant, accurate result with no signup required.

All conversions happen directly in your browser — your data never leaves your device. The tool works offline once the page loads and is optimized for fast mobile performance.

Length Conversion

Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles. Length conversion is one of the most-searched unit conversions on the web. Common use cases include home improvement (converting room dimensions between metric and imperial), travel (understanding road distances), and science homework. Use the swap button to reverse the direction instantly.

Weight Conversion

Convert between milligrams, grams, kilograms, metric tons, ounces, pounds, and stones. Weight conversion comes up constantly in cooking, fitness, and shipping. For example: a recipe calling for 250g of flour, a package weight in lbs you need in kg for international shipping, or tracking your body weight between metric and imperial systems.

Temperature Conversion

Convert between Celsius, Fahrenheit, and Kelvin. Temperature is unique among unit types because it uses offset formulas rather than simple ratios. Our converter handles the math precisely: °F = (°C × 9/5) + 32, and K = °C + 273.15. Common cases: checking weather forecasts when traveling abroad, oven temperatures in recipes from different countries, and science calculations.

Volume Conversion

Convert between milliliters, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts, and US gallons. Volume conversion is essential in cooking and baking (US cups to metric ml), fuel economy (liters vs. gallons), and chemistry. All US customary units are used — note that UK imperial volumes differ slightly.

Frequently Asked Questions

How accurate is this converter?: All conversion factors use standard SI definitions and are accurate to at least 6 significant figures — more than enough for everyday use.
Does it work on mobile?: Yes. The converter is fully responsive and optimized for mobile. All calculations run in-browser with no server round-trips.
Can I convert in both directions?: Yes — use the ⇅ swap button to reverse the From and To units instantly.