Unit Converter Tools

Unit Converter. Convert between different units of measurement with our comprehensive collection of online conversion tools. Fast, accurate, and easy to use for all your measurement needs.

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Popular Conversions

  • 1 meter = 100 centimeters
  • 1 kilometer = 1000 meters
  • 1 kilogram = 2.205 pounds
  • 1 foot = 12 inches
  • 1 inch = 2.54 centimeters

Complete Unit Conversion Guide

Metric Length Conversions

The metric system provides a logical and easy-to-use framework for length measurements. Whether you need to convertcentimeters to metersfor construction projects orkilometers to metersfor distance calculations, our tools make it simple.

UnitMetersCentimetersKilometers
1 Meter11000.001
1 Centimeter0.0110.00001
1 Kilometer1,000100,0001

For precise measurements in engineering and science, use ourCM to kilometers converteror themeter to centimeters converterfor detailed calculations.

Imperial Length Conversions

The imperial system, commonly used in the United States, includes measurements like inches, feet, and yards. Convert between these units effortlessly with ourinches to feet converterandfeet to inches converter.

UnitInchesFeetYards
1 Inch10.0830.028
1 Foot1210.333
1 Yard3631

Metric to Imperial Length Conversions

Converting between metric and imperial systems is essential for international projects and travel. Ourinch to centimeters converterandcentimeters to inches converterprovide accurate results for cross-system conversions.

Metric UnitImperial EquivalentConversion Factor
1 Centimeter0.394 inches× 0.3937
1 Meter3.281 feet× 3.2808
1 Inch2.54 centimeters× 2.54
1 Foot30.48 centimeters× 30.48

For architectural and construction work, use ourfeet to centimeters converterandcentimeters to feet converterto ensure precise measurements across different systems.

Weight and Mass Conversions

Weight conversions are crucial for shipping, cooking, and fitness tracking. Whether you need to convertkilograms to poundsfor international shipping orpounds to kilogramsfor fitness goals, our converters provide instant results.

WeightKilogramsPoundsOunces
1 Kilogram12.20535.274
1 Pound0.454116
1 Ounce0.0280.06251

Essential Conversion Formulas

Length Formulas

  • Meters to Centimeters: m × 100 = cm
  • Centimeters to Meters: cm ÷ 100 = m
  • Kilometers to Meters: km × 1000 = m
  • Inches to Centimeters: in × 2.54 = cm
  • Feet to Meters: ft × 0.3048 = m

Weight Formulas

  • Kilograms to Pounds: kg × 2.205 = lbs
  • Pounds to Kilograms: lbs ÷ 2.205 = kg
  • Ounces to Grams: oz × 28.35 = g
  • Grams to Ounces: g ÷ 28.35 = oz
  • Stones to Kilograms: st × 6.35 = kg

Length Conversions

Weight Conversions

One of the most searched conversions worldwide is kg to lbs, since kilograms are widely used in the metric system while pounds are the standard in the imperial system. Whether you are tracking fitness progress, comparing product weights, or calculating shipping costs, converting kilograms to pounds (kg to lbs) and the reverse — lbs to kg — makes global communication and everyday calculations seamless. Many people also deal with fractional weight conversions, such as grams to ounces, or grams to pounds, which is particularly useful in cooking, nutrition, and scientific experiments.

Beyond weight, length conversions such as centimeters to meters, cm to m, cm to km, and meters to centimetersare essential in construction, education, and science. For instance, maps, blueprints, and technical diagrams often require switching between centimeters and meters, or even scaling up to kilometers for larger distances. Professionals may also need conversions like meters to kilometers, meter to km, or even meters to millimeters for precise engineering or scientific calculations.

Similarly, working with larger distances often means converting kilometers to centimeters or km to cm for precision, while km to m or km to meter keeps results accurate in travel, engineering, academic research, or geographical studies. Students and professionals also frequently convert between kilometers and meters (km to m, km to meter) or between meters and kilometers (m to km, meter to km) depending on the scale of their projects.

For everyday measurements, meters to centimeters(m to cm), meter to cm, meter to km, and m to km conversions are widely used. These conversions simplify classroom problems, construction tasks, crafting projects, or any activity that requires moving between small and large unit scales. They are also commonly applied in sports, architecture, and landscape planning where precise distance measurement is crucial.

In the imperial system, inches to centimeters,inch to cm, inches to feet, feet to inches, and inches to meters remain popular. These conversions are used in interior design, clothing sizes, carpentry, and home improvement projects. Professionals often need to convert inches to centimeters or inches to feet, and sometimes even inches to meters for international collaboration. Similarly, converting feet to inches or feet to centimeters ensures accuracy when moving between imperial and metric standards. Other common conversions include inches to millimeters, feet to meters, and meters to feet, providing a complete toolkit for daily measurements.

Altogether, whether you are calculating kg to lbs,lbs to kg, cm to m, cm to km,m to km, meters to centimeters, inches to cm,inch to cm, inches to feet, or feet to inches, accurate unit conversion is key to simplifying learning, trade, travel, and daily life. By including all these conversion types — from small everyday measurements to large-scale distances and weights — you can ensure precise results in any task, whether academic, professional, or personal.