 Convert Hectares (ha) to Barns (b) | ha in b
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# Let's convert Hectares (ha) to Barns (b)

This quick and easy calculator will convert Hectares (ha) to Barns (b) and show formula, brief history on the units and quick maths for the conversion.

## Quick Reference for Converting Hectares to Barns

Formula
b = ha x 1.0E+32
Quick Rough Maths
To get the Barns, multiply the number of Hectares by 1.0E+20 trillion
Hectares (ha) in 1 barn
There are 0 Hectares in 1 barn
Barns (b) in 1 Hectare
There are 1.0E+32 Barns in 1 Hectare

## Unit Information

Hectare
/ˈhɛktɛː,ˈhɛktɑː/
Symbol: ha
Unit System: Non-SI Metric

### What is the Hectare?

The hectare is a unit of area and is a non-SI but metric unit with the symbol ha.

It represents the area equal to that of a square with edges 100m long (ie 1hm² or 10,000m²). This is the equivalent to about 2.47 acres.

Its size is down to its use primary use; that for measuring the size of land.

barn
/bɑːn/
Symbol: b
Unit System: Particle Physics

### What is the barn?

The barn is a unit of area and is used in particle physics with the symbol b.

It represents approximately the area of the cross-section of a uraneum nucleus, so is very small compared to most other recognised units of area.

It is also used to measure the interaction of a nucleus with an electric field gradient in nuclear quadrupole and magnetic resonance.