Calculator & Scientific Tools.
Scientific Tools for Teacher & Learners.
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Calc40: Your Reliable Companion for Scientific Calculations.
Empower your daily scientific calculations with Calc40 - the ultimate hub for a comprehensive range of scientific tools.
Calculators
Converters
Currency
Convert to 170+ currencies with ease. Integrated calculator.
Length
Convert to 50+ units of length with ease. Integrated calculator.
Area
Convert to 30+ area (surface) units with ease. Integrated calculator.
Volume
Convert to volume units. Support for many units. Brings an integrated calculator.
Temperature
Convert temperatures between eight (8) quantities. Kelvin celsius, fahrenheit, rankine and more. Integrated calculator.
Energy
Convert to energy units. Support for many units. Brings an integrated calculator.
SI Multiples
Convert units between the 20 si multiples (including submultiples). Brings an integrated calculator.
SI Square Multiples
Convert square units between the 20 si multiples (including submultiples). Brings an integrated calculator.
SI Cubic Multiples
Convert cubic units between the 20 si multiples (including submultiples). Brings an integrated calculator.
Weight and Mass
Convert to 50+ weight and mass units with ease. Integrated calculator.
Density
Convert to density units (density mass). Metric and imperial system supported.
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