Convert Barns to Marlas
Convert Barns (b) to Marlas (marla) instantly and accurately.
Conversion Formula
marla = b × 3.953686103e-30
About Barns
A barn (b) is a unit of area used in nuclear and particle physics to measure effective cross-sections of atomic nuclei and particle interaction probabilities. Equal to 10⁻²⁸ m² (10⁻²⁴ cm²), it was humorously named during the Manhattan Project - physicists joked that uranium nuclei were 'as big as a barn' at the subatomic scale. Particle physics experiments at accelerators like CERN report cross-sections in millibarns (mb), microbarns (μb), nanobarns (nb), and femtobarns (fb).
About Marlas
A marla is a traditional unit of land area used in Pakistan, India, and Bangladesh, equal to 30.25 square yards (approximately 25.29 m²) - effectively the same as one square rod. In Pakistan's land registry system, 20 marlas equal one kanal and 8 kanals equal one acre. Despite metrification, marla remains the dominant unit for measuring residential plots and urban land in Pakistan. Property listings in Lahore, Karachi, and Islamabad routinely quote plot sizes in marlas, making it essential knowledge for anyone dealing with South Asian real estate.
Quick Reference Table
| Barns (b) | Marlas (marla) |
|---|---|
| 1 b | 3.954 × 10-30 marla |
| 2 b | 7.907 × 10-30 marla |
| 5 b | 1.977 × 10-29 marla |
| 10 b | 3.954 × 10-29 marla |
| 25 b | 9.884 × 10-29 marla |
| 50 b | 1.977 × 10-28 marla |
| 100 b | 3.954 × 10-28 marla |