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Conversion Calculator — Length, Weight, Temp & More

Convert units instantly with our free conversion calculator. Calculate length, weight, temperature, area & volume conversions between metric and imperial systems online.

Conversion Calculator — Length, Weight, Temperature & More

Convert between various units of measurement with precision and ease using our comprehensive conversion calculator.

Length Conversion Calculator

Common Length Conversion Formulas

Meters to Feet: \( \text{feet} = \text{meters} \times 3.28084 \)

Feet to Meters: \( \text{meters} = \frac{\text{feet}}{3.28084} \)

Inches to Centimeters: \( \text{cm} = \text{inches} \times 2.54 \)

Kilometers to Miles: \( \text{miles} = \text{km} \times 0.621371 \)

Temperature Conversion Calculator

Temperature Conversion Formulas

Celsius to Fahrenheit: \( F = C \times \frac{9}{5} + 32 \)

Fahrenheit to Celsius: \( C = (F - 32) \times \frac{5}{9} \)

Celsius to Kelvin: \( K = C + 273.15 \)

Kelvin to Celsius: \( C = K - 273.15 \)

Area Conversion Calculator

Common Area Conversion Formulas

Square Meters to Square Feet: \( \text{ft}^2 = \text{m}^2 \times 10.764 \)

Hectares to Acres: \( \text{acres} = \text{hectares} \times 2.47105 \)

Square Meters to Acres: \( \text{acres} = \frac{\text{m}^2}{4046.86} \)

Hectares to Square Meters: \( \text{m}^2 = \text{hectares} \times 10000 \)

Volume Conversion Calculator

Common Volume Conversion Formulas

Liters to Gallons (US): \( \text{gallons} = \frac{\text{liters}}{3.78541} \)

Cubic Meters to Liters: \( \text{liters} = \text{m}^3 \times 1000 \)

Milliliters to Fluid Ounces (US): \( \text{fl oz} = \frac{\text{mL}}{29.5735} \)

Gallons to Liters: \( \text{liters} = \text{gallons} \times 3.78541 \)

Weight (Mass) Conversion Calculator

Common Weight Conversion Formulas

Kilograms to Pounds: \( \text{pounds} = \text{kg} \times 2.20462 \)

Pounds to Kilograms: \( \text{kg} = \frac{\text{pounds}}{2.20462} \)

Ounces to Grams: \( \text{grams} = \text{ounces} \times 28.3495 \)

Grams to Ounces: \( \text{ounces} = \frac{\text{grams}}{28.3495} \)

Understanding Unit Conversions

Unit conversion is the process of converting a measurement from one unit to another. This calculator helps you convert between metric and imperial systems across five major categories: length, temperature, area, volume, and weight.

Why Use a Conversion Calculator?

  • Accuracy: Eliminate manual calculation errors with precise conversion factors
  • Speed: Convert instantly between multiple units without looking up formulas
  • Convenience: Access all common conversions in one comprehensive tool
  • Educational: Learn conversion formulas while getting results

Common Use Cases

  • Cooking & Recipes: Convert between cups, liters, ounces, and grams
  • Travel: Understand distances in miles vs kilometers, temperature in Celsius vs Fahrenheit
  • Real Estate: Convert property measurements between square feet, square meters, and acres
  • Science & Education: Work with metric and imperial measurements seamlessly
  • International Business: Communicate measurements accurately across different systems

Frequently Asked Questions

How accurate are these conversions?
Our calculator uses internationally recognized conversion factors to provide highly accurate results. The precision is suitable for most practical applications including cooking, construction, scientific work, and everyday calculations.
What is the difference between weight and mass?
Mass is the amount of matter in an object (measured in kilograms or grams), while weight is the force exerted by gravity on that mass (measured in newtons). For everyday purposes on Earth, the terms are often used interchangeably, and our calculator handles common mass/weight units.
How do I convert Celsius to Fahrenheit?
To convert Celsius to Fahrenheit, multiply the Celsius temperature by 9/5 (or 1.8) and then add 32. The formula is: \( F = C \times \frac{9}{5} + 32 \). For example, 20°C equals 68°F.
What is a hectare and how does it compare to an acre?
A hectare is a metric unit of area equal to 10,000 square meters. One hectare equals approximately 2.47 acres. Hectares are commonly used internationally for land measurement, while acres are primarily used in the United States and United Kingdom.
Can I convert between US and UK gallons?
Yes, though our calculator currently uses US gallons. One US gallon equals 3.785 liters, while one UK (Imperial) gallon equals 4.546 liters. To convert between them: 1 US gallon ≈ 0.833 UK gallons.
Why are there different temperature scales?
Different temperature scales were developed for various purposes. Celsius is based on water's freezing (0°C) and boiling (100°C) points. Fahrenheit uses different reference points and provides finer gradation. Kelvin is the scientific standard starting at absolute zero.
How do I calculate square meters to square feet?
Multiply the area in square meters by 10.764 to get square feet. The formula is: \( \text{ft}^2 = \text{m}^2 \times 10.764 \). For example, 50 m² equals approximately 538.2 ft².
What is the metric system vs imperial system?
The metric system (SI) uses units like meters, kilograms, and liters with base-10 conversions. The imperial system uses inches, feet, pounds, and gallons with varying conversion factors. Most countries use the metric system, while the US primarily uses imperial units.
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