Magnet Press's converter directory collects all 14 measurement categories in one place. Select any category below to access its full set of unit-pair converters — each with interactive tools, reference tables, and expert context.
All 14 Unit Converter Categories
Every measurement domain you'll regularly work with:
- Length — 11 units, 110 conversion pairs. Used in construction, navigation, science, and everyday measurement.
- Weight — 7 units, 42 conversion pairs. Used in cooking, shipping, medicine, fitness, and trade.
- Volume — 10 units, 90 conversion pairs. Used in cooking, chemistry, medicine, fuel, and beverages.
- Area — 6 units, 30 conversion pairs. Used in real estate, agriculture, flooring, and land survey.
- Temperature — 3 units, 6 conversion pairs. Used in meteorology, medicine, cooking, and material science.
- Speed — 4 units, 12 conversion pairs. Used in automotive, aviation, meteorology, and athletics.
- Time — 7 units, 42 conversion pairs. Used in scheduling, project management, computing, and science.
- Pressure — 5 units, 20 conversion pairs. Used in meteorology, engineering, diving, and pneumatics.
- Energy — 6 units, 30 conversion pairs. Used in physics, nutrition, electrical engineering, and heating.
- Power — 4 units, 12 conversion pairs. Used in electrical engineering, automotive, and appliances.
- Force — 4 units, 12 conversion pairs. Used in physics, engineering, biomechanics, and aerospace.
- Torque — 3 units, 6 conversion pairs. Used in automotive, mechanical engineering, and fastener specs.
- Angle — 3 units, 6 conversion pairs. Used in mathematics, navigation, surveying, and astronomy.
- Data Storage — 5 units, 20 conversion pairs. Used in computing, networking, cloud storage, and data transfer.
- Time — 7 units, 42 conversion pairs. Used in everyday planning, scheduling, and project management.
How to Find the Right Converter
Three ways to navigate to any conversion:
- Select a category from the grid above to see all pairs in that category.
- Use the search bar at the top of any Magnet Press page to type a conversion directly (e.g., 'cm to inches').
- Navigate directly to a specific pair using the URL pattern: magnetpress.co.uk/convert/{category}/{from}-to-{to}/
Why Dedicated Converter Pages?
Each conversion pair on Magnet Press has its own page — not because the math is complex, but because context matters. The page for meters-to-feet explains both units' origins, gives real-world examples (building heights, aviation altitude), and highlights common errors. A converter that also teaches you why the units exist is more useful than one that just multiplies numbers.
Frequently Asked Questions
How many converters does Magnet Press include?
Magnet Press provides 14 converter categories covering over 480 unique unit-pair pages, plus date calculators and world clocks.
Are these converters free?
Yes — all converters on Magnet Press are free, ad-free, and work offline once loaded.
Which unit converter is most popular?
Length converters (especially cm-to-inches and km-to-miles) and temperature converters (Celsius-to-Fahrenheit) are the most frequently used, followed by weight and data storage converters.
How accurate are the conversions?
All conversions use exact SI-defined factors or official formulas. Results are computed to full 64-bit floating-point precision.
Conclusion
Use the category grid above to find any converter. Magnet Press covers 14 categories, 480+ pairs, date math, and world clocks — all free, all offline-capable.