Math & School

Unit converter

One value, one starting unit, one target unit: the calculator provides the conversion immediately.

Updated on Apr 21, 2026 Calculator, calculation path and examples on one page

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Calculator

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Calculation path

Step by step

  1. Initial value

    Result: 1,2000kg

  2. Convert to base unit

    Result: 1,2000kg

  3. Convert to target unit

    Formula: Base unit / conversion factor of the target unit

    Result: 1,200,0000g

Instructions

How to use this calculator correctly

Input

  • Enter the value and select the source and destination unit.

Read the result

  • The calculator shows the conversion directly in the selected target unit.
  • You will also see the size category.

Note

  • Be sure to only combine units from the same category.

Related guide: Solve the rule of three, percentage calculations and fractions in an understandable way

Examples

Typical calculations

8,500 m² in ha.

Square meters to hectares

Converted value: 0.8500 ha

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FAQ

Frequently asked questions

Which units does the computer support?

Lengths, weights, areas and volumes with common everyday units.

Can I convert kilometers to kilograms?

No. The calculator only allows conversions within the same size type.

Why does the calculator show four decimal places?

This means that even small or large conversions remain easy to understand.

Is the calculator suitable for school and everyday life?

Yes. It is suitable for homework, recipes, travel and everyday questions.

What is the base unit?

For each category there is a common basic unit internally, which is used for the conversion.

Related calculators

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Sources and notes

Rule status and context

Method
Conversion using a common base unit for each size type.