Unit Converter
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Quick Length Reference
Why Choose Filator's Unit Converter?
Instant Conversions
Convert units in milliseconds with real-time calculations. No waiting, no loading—results appear as you type.
100% Private
All calculations happen in your browser. Your data never leaves your device—unlike competitors who track everything.
Works Offline
Install as a PWA and use without internet. Perfect for field work, travel, or anywhere without reliable connectivity.
How to Convert Units Online for Free
Filator's free unit converter lets you convert between any measurement units instantly in your browser—no server processing, no signup required, complete privacy guaranteed. Unlike UnitConverters.net and Calculator.net (ad-heavy with server-side processing), Filator processes everything locally on your device with a clean, modern interface.
Why Choose Filator's Unit Converter?
Lightning Fast
Results appear instantly as you type. No loading spinners, no server delays— calculations happen in real-time using client-side JavaScript.
100% Private & Secure
Your conversions never leave your browser. Unlike competitors that log queries on their servers, Filator processes everything locally on your device.
No Ads, No Clutter
Clean, distraction-free interface. Competitors like ConvertUnits.com and Calculator.net are cluttered with banner ads and pop-ups—we have none.
Works Offline (PWA)
Install Filator as a Progressive Web App and use it without internet. Perfect for field work, travel, or areas with poor connectivity.
How to Convert Units Step-by-Step
- 1.Select your conversion category (length, weight, temperature, volume, area, speed, or time)
- 2.Choose the unit you want to convert FROM (e.g., meters, kilograms, Celsius)
- 3.Choose the unit you want to convert TO (e.g., feet, pounds, Fahrenheit)
- 4.Enter your value—the conversion happens instantly in real-time
- 5.Copy your result or swap units with a single click for reverse conversion
Supported Conversion Categories
| Category | Units Supported | Common Conversions |
|---|---|---|
| Length | Meters, feet, inches, miles, km, yards, cm, mm | Meters to feet, km to miles |
| Weight | Kilograms, pounds, ounces, grams, tons | Kg to lbs, grams to ounces |
| Temperature | Celsius, Fahrenheit, Kelvin | C to F, F to C |
| Volume | Liters, gallons, cups, ml, fluid oz, pints | Liters to gallons, ml to cups |
| Area | Square meters, sq feet, acres, hectares | Sq ft to sq m, acres to hectares |
| Speed | km/h, mph, m/s, knots | km/h to mph, m/s to mph |
| Time | Seconds, minutes, hours, days, weeks | Hours to minutes, days to hours |
Filator vs Competitors Comparison
| Feature | Filator | UnitConverters.net | Calculator.net |
|---|---|---|---|
| Processing | Client-side (Private) | Server-side | Server-side |
| Ads | None | Multiple banners | Multiple banners |
| Offline Support | Yes (PWA) | No | No |
| Registration | Never required | Not required | Optional |
| Modern UI | Yes | Outdated | Basic |
Advanced Features
- Real-Time Conversion: Results update instantly as you type—no need to click a button
- Unit Swap: Instantly reverse your conversion with a single click
- Precise Calculations: High-precision results using standard conversion formulas
- Cross-Platform: Works on Windows, Mac, Linux, iOS, and Android with any modern browser
- Offline Support: Install as PWA to convert units without internet after initial load
- Copy Results: One-click copy to clipboard for easy use in documents and spreadsheets
- No Data Collection: We don't track your conversions or collect any personal data
- Mobile Optimized: Touch-friendly interface designed for smartphones and tablets
Common Use Cases
Cooking & Recipes
Convert cups to milliliters, ounces to grams, or Fahrenheit to Celsius for international recipes
Travel & Navigation
Convert kilometers to miles, liters to gallons, or Celsius to Fahrenheit for international travel
Home Improvement
Convert square feet to square meters, inches to centimeters, or calculate material quantities
Science & Engineering
Convert between metric and imperial units for calculations, reports, and international collaboration
Frequently Asked Questions
How do I convert units online for free?
Select your conversion category (length, weight, temperature, etc.), choose the units you want to convert from and to, enter your value, and get instant results. Filator's unit converter is completely free with no signup required and processes everything in your browser for complete privacy.
Is this unit converter safe to use?
Yes, absolutely. Unlike competitors that process conversions on their servers, Filator processes everything locally in your browser using JavaScript. Your data never leaves your device, ensuring complete privacy and security.
What units can I convert?
Filator supports conversions for length (meters, feet, inches, miles), weight (kilograms, pounds, ounces), temperature (Celsius, Fahrenheit, Kelvin), volume (liters, gallons, cups), area (square meters, square feet, acres), speed, time, and more.
How do I convert metric to imperial?
Select the category (e.g., length), choose a metric unit like meters or kilometers in the "From" field, select an imperial unit like feet or miles in the "To" field, and enter your value. The conversion happens instantly with precise calculations.
Can I use this unit converter offline?
Yes! Filator works as a Progressive Web App (PWA). After your first visit, you can install it to your device and use it offline. Perfect for when you need quick conversions without internet access.
How accurate is this unit converter?
Our unit converter uses precise mathematical formulas based on international standards. All conversions are calculated to high precision, ensuring accurate results for scientific, engineering, or everyday use.
Do I need to create an account?
No, never. Filator is completely free and anonymous. There's no signup, no email required, no premium tier, and no hidden limits. Just open the tool and start converting.
Does this work on mobile devices?
Yes, our unit converter is fully responsive and works perfectly on all devices including smartphones, tablets, and desktop computers. It's optimized for touch interfaces and can be installed as an app on your home screen.
Ready to Convert Units?
Start converting units instantly with no signup, no ads, and complete privacy. Fast, accurate, and completely free—with none of the clutter you'll find on UnitConverters.net or Calculator.net. Try Filator now and experience truly effortless unit conversion.