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Online calculators
We offer you different online calculation devices and tools for online mathematical operations for everyday use, and for free!
Calculator for mathematics
Mass and weight conversion calculator
- Mass unit conversion
- Convert Kg to lbs
- Convert lbs to kg
- Convert ounces to grams
- Convert grams to ounces
Length measurement conversion calculator
- Length converter
- Cm to inches converter
- Inches to cm converter
- Meters to inches converter
- Inches to meters converter
- Miles to km converter
- km to miles converter
- Meters to feet converter
- Feet to meters converter
Volume calculator
- Volume and capacity unit conversion
- Calculate cylinder volume
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- Pool volume calculator
- Convert gallons to liters
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Surface and area calculator
- Conversion between area or surface units
- Sphere surface
- Area of a circle
- Square meters calculator
- Convert hectares to square meters
- Convert square meters to hectares
Energy and power conversion calculator
Temperature conversion calculator
- Temperature converter
- Convert Celsius to Fahrenheit
- Convert Fahrenheit to Celsius
- Convert Celsius to kelvin
- Convert kelvin to Celsius
Finance calculator
