Whether you need to convert kilometers to miles, kilograms to pounds, Celsius to Fahrenheit, or megabytes to gigabytes — our free online unit converter handles all of it instantly. No signup, no download, no limits. Just enter your value and get the answer in seconds.
Unit Converter
Convert length, weight, temperature, speed, area, volume and more — free & instant
All Conversions for 1 Meter
✅ All calculations happen in your browser — instant and private.
What is a Unit Converter?
A unit converter is a tool that transforms a measurement from one unit to another within the same category. For example, converting a distance from kilometers to miles, or a weight from kilograms to pounds. Unit conversion is essential in everyday life — cooking, travel, science, engineering and international communication all require it.
Our free BuildDora Unit Converter covers 8 major categories with over 60 different units — all in one place.
Length Converter — km, miles, meters, feet and more
Length is the most commonly converted unit — especially when traveling between countries that use different measurement systems. Here are the most useful length conversions:
| From | To | Multiply By |
|---|---|---|
| 1 Kilometer (km) | Miles | × 0.621371 |
| 1 Mile | Kilometers | × 1.60934 |
| 1 Meter | Feet | × 3.28084 |
| 1 Foot | Centimeters | × 30.48 |
| 1 Inch | Centimeters | × 2.54 |
| 1 Yard | Meters | × 0.9144 |
How to Convert km to miles
Multiply the number of kilometers by 0.621371. For example: 100 km × 0.621371 = 62.14 miles.
How to Convert miles to km
Multiply the number of miles by 1.60934. For example: 60 miles × 1.60934 = 96.56 km.
Weight Converter — kg, lbs, grams, ounces and more
Weight conversion is essential for cooking recipes, shipping parcels, fitness tracking and medical dosages. Here are the most useful weight conversions:
| From | To | Multiply By |
|---|---|---|
| 1 Kilogram (kg) | Pounds (lbs) | × 2.20462 |
| 1 Pound (lb) | Kilograms | × 0.453592 |
| 1 Kilogram | Grams | × 1000 |
| 1 Ounce (oz) | Grams | × 28.3495 |
| 1 Stone (st) | Kilograms | × 6.35029 |
| 1 Metric Ton | Kilograms | × 1000 |
How to Convert kg to lbs
Multiply the number of kilograms by 2.20462. For example: 70 kg × 2.20462 = 154.32 lbs.
How to Convert lbs to kg
Multiply the number of pounds by 0.453592. For example: 150 lbs × 0.453592 = 68.04 kg.
Temperature Converter — Celsius, Fahrenheit and Kelvin
Temperature conversion is one of the most searched unit conversions worldwide — especially between Celsius (used in most countries) and Fahrenheit (used in the USA).
| From | To | Formula |
|---|---|---|
| Celsius (°C) | Fahrenheit (°F) | (°C × 9/5) + 32 |
| Fahrenheit (°F) | Celsius (°C) | (°F − 32) × 5/9 |
| Celsius (°C) | Kelvin (K) | °C + 273.15 |
| Kelvin (K) | Celsius (°C) | K − 273.15 |
Common Temperature Reference Points
- Water freezes: 0°C = 32°F = 273.15K
- Body temperature: 37°C = 98.6°F = 310.15K
- Water boils: 100°C = 212°F = 373.15K
- Room temperature: 20–22°C = 68–72°F
Data Storage Converter — MB, GB, TB and more
Data units are essential for understanding file sizes, internet speeds and storage capacity. Here are the key data unit conversions:
| Unit | Equal To |
|---|---|
| 1 Kilobyte (KB) | 1,000 Bytes |
| 1 Megabyte (MB) | 1,000 Kilobytes = 1,000,000 Bytes |
| 1 Gigabyte (GB) | 1,000 Megabytes |
| 1 Terabyte (TB) | 1,000 Gigabytes |
More Free Tools on BuildDora
- BMI Calculator — check if your weight is healthy
- Age Calculator — find your exact age in days and minutes
- Word Counter — count words and reading time
- Password Generator — generate strong passwords free
Frequently Asked Questions
How many kilometers are in a mile?
1 mile equals exactly 1.60934 kilometers. To convert miles to km, multiply by 1.60934. To convert km to miles, multiply by 0.621371.
How do you convert Celsius to Fahrenheit?
Multiply by 9/5 (or 1.8) then add 32. Formula: °F = (°C × 1.8) + 32. Example: 25°C = (25 × 1.8) + 32 = 77°F.
How many pounds are in a kilogram?
1 kilogram equals 2.20462 pounds. To convert kg to lbs, multiply by 2.20462. To convert lbs to kg, multiply by 0.453592.
What is the difference between a US gallon and a UK gallon?
A US gallon is 3.785 liters while a UK (Imperial) gallon is 4.546 liters. They are not the same — always check which gallon is being used in a recipe or fuel measurement.
How do I convert Megabytes to Gigabytes?
Divide the number of megabytes by 1,000. For example, 5,000 MB ÷ 1,000 = 5 GB. Our data converter above handles this instantly.
Is the unit converter free?
Yes, 100% free. No signup, no account, no limits. Use it as many times as you need on any device.
Conclusion
Unit conversion does not have to be complicated. Our free online unit converter gives you instant, accurate results across 8 categories and over 60 units — all in one clean tool. Bookmark this page and use it anytime you need a quick conversion.
Found this helpful? Share it with others 🙌