Disclaimer
Units Converters is a free educational utility operated by Voyager Tecnologias LTDA. Please read these limitations before relying on any result.
Last updated: 21 July 2026
Conversion accuracy
We calculate conversions with arbitrary-precision decimal arithmetic (Decimal.js) and published unit definitions. Results are intended for learning, everyday planning, and general technical reference.
They are not a substitute for certified metrology, calibrated instruments, or professional engineering sign-off. Always verify critical values against an authoritative standard for your industry before manufacturing, dosing, filing, or shipping decisions.
Not professional advice
Content on this site — including converters, tables, guides, and examples — is general information only. It is not legal, medical, financial, safety, or engineering advice. If your use case involves health, regulated products, structural design, or legal compliance, consult a qualified professional.
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Questions
Contact us at voyagertecnologias@gmail.com if you spot an error or need clarification about how a conversion is defined.
Common conversions
- Centimetre to Inch (International)
- Inch (International) to Centimetre
- Inch (International) to Foot (International)
- Millimetre to Inch (International)
- Inch (International) to Millimetre
- Meter to Foot (International)
- Foot (International) to Meter
- Kilometre to Mile (International)
- Mile (International) to Kilometre
- Centimetre to Foot (International)
- Foot (International) to Centimetre
- Meter to Yard (International)
- Yard (International) to Meter
- Meter to Kilometre
- Foot (International) to Inch (International)
- Yard (International) to Foot (International)
- Nanometre to Meter
- Light Year to Kilometre
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Celsius to Kelvin
- Kelvin to Celsius
- Fahrenheit to Kelvin
- Kelvin to Fahrenheit
- Square Metre to Square Foot
- Square Foot to Square Metre
- Acre to Hectare
- Hectare to Acre
- Square Kilometre to Square Mile
- Square Mile to Square Kilometre
- Square Inch to Square Centimetre
- Square Centimetre to Square Inch
- Square Metre to Hectare
- Acre to Square Metre
- Litre to Cubic Metre
- Cubic Metre to Litre
- Millimetre to Litre
- Litre to Millimetre
- Cup to Millimetre
- Millimetre to Cup
- Cubic Foot to Litre
- Litre to Cubic Foot
- Tablespoon (Metric) to Teaspoon (Metric)
- Teaspoon (Metric) to Tablespoon (Metric)
- Hectolitre to Litre
- Litre to Hectolitre
- Kilogram to Pound (Avoirdupois)
- Pound (Avoirdupois) to Kilogram
- Gram to Ounce (Avoirdupois)
- Ounce (Avoirdupois) to Gram
- Kilogram to Stone
- Stone to Kilogram
- Tonne (Metric) to Pound (Avoirdupois)
- Pound (Avoirdupois) to Tonne (Metric)
- Gram to Kilogram
- Kilogram to Gram
- Milligram to Gram
- Gram to Milligram
- Kilometre per hour to Mile per hour
- Mile per hour to Kilometre per hour
- Metre per second to Kilometre per hour
- Kilometre per hour to Metre per second
- Mile per hour to Foot per second
- Foot per second to Mile per hour
- Knot to Kilometre per hour
- Kilometre per hour to Knot
- Metre per second to Mile per hour
- Mile per hour to Metre per second
- Minute to Second
- Second to Minute
- Hour to Minute
- Minute to Hour
- Day to Hour
- Hour to Day
- Week to Day
- Day to Week
- Year (Julian) to Day
- Day to Year (Julian)
- Hour to Second
- Second to Hour
Precision Unit Converter: Metric, Imperial & Scientific
Quickly convert between hundreds of units across Length, Temperature, Area, and Volume. Whether you are a student, engineer, or hobbyist, our tool provides high-precision results for everything from everyday measurements to advanced scientific data.
Comprehensive Categories
- Length: Nanometres to Light Years and Planck Length.
- Temperature: Celsius, Fahrenheit, Kelvin, and Newton.
- Area: Square Meters, Acres, Hectares, and Barns.
- Volume: Litres, Cubic Inches, Gallons, and Millilitres.
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Our free online converter is the fastest way to switch between metric and imperial systems. Save time on complex math and get reliable conversions for school, lab work, or construction projects.