Unit Converter - Adlam Numerals
Convert between units of length, weight, temperature, volume, area, time, and more with Adlam numeral system support.
A free online unit converter for length, weight, temperature, volume, area, speed, time, data storage, energy, pressure, and angle. Convert between metric and imperial units instantly as you type — no need to press a convert button. Handles the tricky cases correctly: temperature conversions include the 32-degree offset (C to F is not simple multiplication), and volume conversions distinguish between US gallons (3.785 L) and Imperial gallons (4.546 L). Pin your most-used units for quick access. Supports traditional regional units like hath, gaz, tola, and ser used in South Asia.
About This Numeral System
Adlam numerals (U0001e950 through U0001e959) are the digits of the Adlam script, created in 1989 by two Guinean brothers, Ibrahima and Abdoulaye Barry, as a writing system for Fulani (Fula) — a Niger-Congo language spoken by roughly 25 million people across West Africa, including Guinea, Nigeria, Senegal, Mali, and Cameroon. The name “Adlam” is an acronym from the first four letters of the script, standing for “Alkule Dandayɗe Leñol Mulugol” — “the alphabet that prevents peoples from vanishing.” Adlam is written right-to-left and was added to Unicode in 2016. This calculator displays results in Adlam numerals for users who read and write in Fulani using the Adlam script.
How This Calculator Works
Unit Conversion: Result = Input × (source factor / target factor)
Each unit category (length, weight, volume, etc.) has a base unit and conversion factors. The calculator converts the input to the base unit, then from the base unit to the target unit. Temperature is a special case: C to F uses F = C × 9/5 + 32, because the zero points differ.
Worked Examples
Input: Convert 10 miles to kilometres
Result: 10 miles = 16.0934 km (1 mile = 1.60934 km)
Input: Convert 100°C to Fahrenheit
Result: F = 100 × 9/5 + 32 = 212°F (boiling point of water)
Frequently Asked Questions
How do I convert Celsius to Fahrenheit?
To convert Celsius to Fahrenheit, multiply by 9/5 and add 32: F = C × 9/5 + 32. For example, 25°C = 25 × 1.8 + 32 = 77°F. To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9: C = (F - 32) × 5/9. This calculator handles both directions automatically — just enter the value and select the units.
Why does my temperature conversion show a different result than expected?
Temperature conversions are not simple multiplication like other units. Celsius to Fahrenheit is F = C × 9/5 + 32, not F = C × 1.8. The offset of 32 is the most common source of error. Also, negative temperatures work correctly: -40°C = -40°F, which is the point where the two scales meet. The calculator handles all of these correctly, but if you are comparing with a tool that uses a simplified formula, the results will differ.
How do I convert between units that use different measurement standards (US vs Imperial)?
The most confusing case is volume: a US gallon is 3.785 litres while an Imperial (UK) gallon is 4.546 litres — a 20% difference. Similarly, a US pint is 473 ml while an Imperial pint is 568 ml. The calculator defaults to US units. If you need Imperial units, check the category label — where both exist, they are listed separately.
What unit categories are supported?
The unit converter supports length, weight/mass, temperature, volume, area, speed, time, data storage, energy, pressure, and angle conversions.
How accurate are the conversions?
All conversions use internationally recognised conversion factors. Results are displayed to up to 10 significant figures.
How is Adlam different from other scripts created in modern times?
Adlam is one of the few scripts intentionally created in the 20th century that has gained real adoption. Unlike Ol Chiki (created 1925 for Santali in India), Adlam was created in 1989 for Fulani in West Africa. Both scripts were designed to serve languages that lacked a dedicated writing system, but Adlam is written right-to-left (like Arabic) while Ol Chiki is written left-to-right. Adlam was added to Unicode in 2016, making it one of the newest scripts in the Unicode standard.
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Key Features
- Length, weight, temperature, volume, area, speed, time, data, energy, pressure
- Instant conversion as you type
- Pinnable favourite units