Unit Converter – Free Online Metric & Imperial Converter
Convert length, weight, temperature, volume, speed, area, time, and data units instantly — free online unit converter, no signup.
Tool Interface
Convert between metric and imperial units instantly — length, weight, temperature, volume, speed, area, time, and data storage. Type a value, pick your units, and see the answer plus every equivalent unit. Free, no signup, works offline.
| Unit | Value |
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How to use
- Pick a category (length, weight, temperature, and more) or tap a popular conversion shortcut.
- Enter a value and choose the from / to units — the result updates instantly as you type.
- Use ⇆ to swap the units, or scroll the table to see the value in every unit of that category.
- Conversions use exact defined factors (for example 1 inch = 2.54 cm, 1 lb = 453.59237 g).
- Temperature uses the standard Celsius / Fahrenheit / Kelvin formulas.
- Data storage shows both decimal (KB = 1,000 bytes) and binary (KiB = 1,024 bytes) units.
100% private — all conversions happen in your browser, nothing is uploaded.
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About This Tool
Introduction
Converting units by hand is slow and error-prone. The Trencada Unit Converter translates between metric and imperial units instantly — length, weight, temperature, volume, speed, area, time, and data storage — right in your browser. No signup, no app, no waiting.
How to Use
- Pick a category tab (Length, Weight, Temperature, Volume, Speed, Area, Time, Data Storage) or tap a popular shortcut like cm to inches.
- Type a value and choose your from and to units — the result updates as you type.
- Use the swap button to flip the units, or scroll the table to see the value in every unit of that category. Copy the result with one click.
Key Features
- 8 categories with 60+ units; instant live conversion as you type
- Full comparison table showing every equivalent unit
- One-tap shortcuts for popular conversions (cm to inches, kg to lbs, °C to °F, km to miles)
- Unit swap button and one-click copy
- Exact defined conversion factors; 100% client-side and private
Why Choose Trencada
Free forever with no account and no tracking. Works on phone, tablet, and desktop, and keeps working offline once the page has loaded.
FAQ
How accurate are the conversions? They use exact internationally defined factors (1 inch = 2.54 cm, 1 pound = 453.59237 grams); temperature uses the standard Celsius/Fahrenheit/Kelvin formulas.
What is the difference between KB and KiB? KB is the decimal kilobyte (1,000 bytes) while KiB is the binary kibibyte (1,024 bytes) — both are included.
Does it work without internet? After the page loads, yes — everything runs locally.
Is it really free? Yes — all Trencada tools are free with no signup.