📐 Ultimate Unit Converter
Ultimate Unit Converter Online – 100+ Measurements, Free & Instant
Free online unit converter with 11 categories & 100+ units. Convert length, temperature, weight, time, digital storage & more instantly. Mobile-friendly & accurate.
Online Unit Converter – Instant Measurement Conversion Tool
Convert 100+ Units Across 11 Categories
Our free universal converter handles all your measurement needs:
Featured Conversion Categories
✅ Length Converter (Meters to Miles, Inches to CM)
✅ Temperature Calculator (Celsius to Fahrenheit, Kelvin to Rankine)
✅ Weight Converter (Kilograms to Pounds, Stones to Ounces)
✅ Digital Storage Calculator (Bits to Terabytes, MB to GB)
✅ Volume Converter (Liters to Gallons, Cups to Milliliters)
✅ Energy Calculator (Joules to Calories, kWh to Electronvolts)
Popular Conversions:
- Feet to Meters Converter
- Celsius to Fahrenheit Calculator
- KG to LBS Conversion
- Bytes to MB Converter
- Acres to Square Feet Calculator
Why Choose Our Conversion Tool?
🔹 Most Comprehensive – 11 categories, 100+ units
🔹 Real-Time Results – Instant calculations
🔹 Mobile-Optimized – Works on all devices
🔹 Accuracy Guaranteed – NIST-standard conversions
🔹 Zero Ads – Clean interface
🔹 Free Forever – No signup required
How Our Unit Calculator Works
- Select Category (Length/Weight/Temperature etc.)
- Choose Input Unit (e.g., Kilometers, Fahrenheit)
- Enter Value
- Select Output Unit (e.g., Miles, Celsius)
- Get Instant Conversion
Supported Measurement Types
Length & Distance
- Metric: Meters, Centimeters, Kilometers
- Imperial: Miles, Yards, Feet, Inches
- Scientific: Micrometers, Nanometers, Light Years
Temperature Scales
- Celsius (°C), Fahrenheit (°F)
- Kelvin (K), Rankine (°R)
Digital Storage Units
- Bits, Bytes, KB, MB, GB, TB, PB
Weight & Mass
- Metric: Kilograms, Grams, Metric Tons
- Imperial: Pounds, Ounces, Stones
- Jewelry: Carats
FAQ: Online Conversion Tool
Q: How accurate are the conversions?
A: All calculations follow NIST standards with 6-decimal precision.
Q: Can I convert historical units?
A: Currently supports modern measurement systems (SI & Imperial).
Q: Is this tool mobile-friendly?
A: Yes! Works perfectly on smartphones, tablets & desktops.
Q: Do you store conversion data?
A: No – all calculations happen in your browser privately.