---
title: "80 ha to mi² = 0.30888 mi²"
description: "80 hectares is 0.30888 square miles. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/80-hectares-to-square-miles/
site: "At One Place"
---

# 80 ha to mi²

**80 hectares in square miles: 80 ha = 0.30888 mi²**

mi² = ha × 0.003861021585

80 hectares is 0.30888 square miles. To get there, multiply by 0.003861021585.

## Values either side

*Hectares near 80, converted to square miles.*

| Hectares | Square miles |
| --- | --- |
| 60 ha | 0.23166 |
| 65 ha | 0.25097 |
| 70 ha | 0.27027 |
| 75 ha | 0.28958 |
| 80 ha ← | 0.30888 |
| 85 ha | 0.32819 |
| 90 ha | 0.34749 |
| 95 ha | 0.3668 |
| 100 ha | 0.3861 |

## How the conversion works

The relationship is mi² = ha × 0.003861021585. Both units measure area, so the conversion is a fixed factor that never changes.

## Common questions

### What is 80 ha in square miles?

80 ha is 0.30888 mi².

### How do you convert hectares to square miles?

Multiply by 0.003861021585.

## Related pages

- [Hectares to square miles](https://atoneplace.net/convert/hectares-to-square-miles/)
- [80 mi² to ha](https://atoneplace.net/convert/80-square-miles-to-hectares/)
- [60 ha to mi²](https://atoneplace.net/convert/60-hectares-to-square-miles/)
- [65 ha to mi²](https://atoneplace.net/convert/65-hectares-to-square-miles/)
- [70 ha to mi²](https://atoneplace.net/convert/70-hectares-to-square-miles/)
- [75 ha to mi²](https://atoneplace.net/convert/75-hectares-to-square-miles/)
- [85 ha to mi²](https://atoneplace.net/convert/85-hectares-to-square-miles/)
- [90 ha to mi²](https://atoneplace.net/convert/90-hectares-to-square-miles/)
- [95 ha to mi²](https://atoneplace.net/convert/95-hectares-to-square-miles/)
- [100 ha to mi²](https://atoneplace.net/convert/100-hectares-to-square-miles/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)