How many hectares are in one square kilometer?

Exactly 100 hectares. Since 1 km = 1,000 m and 1 hectare = 10,000 m², one square kilometer (1,000,000 m²) equals 100 hectares.

How do I convert hectares back to square kilometers?

Divide the number of hectares by 100. For example, 500 ha ÷ 100 = 5 km². You can also use the swap button in this tool to flip the conversion direction.

Is this conversion exact?

Yes. The relationship between square kilometers and hectares is exact: 1 km² = 100 ha, with no rounding or approximation involved.

What is a hectare commonly used for?

Hectares are widely used in agriculture, forestry, and land management — especially in metric-system countries. One hectare equals about 2.471 acres or 10,000 square meters.

What countries use square kilometers vs. hectares?

Both units are metric and used worldwide. Hectares are preferred for land parcels and agriculture, while square kilometers are common for larger geographic regions and country/city area measurements.

Square Kilometers to Hectares Converter

Name: Square Kilometers to Hectares Converter
Availability: InStock
Author: Nham Vu

Enter a value in square kilometers and instantly get the equivalent area in hectares.

Area Conversion

Square Kilometers → Hectares

Square Kilometers (km²)

Result in Hectares (ha)

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Quick Reference

1 km² = 100 ha exactly

km²	Hectares (ha)

Formula: hectares = km² × 100
Reverse: km² = hectares ÷ 100

Summary

Enter a value in square kilometers and instantly get the equivalent area in hectares.

How it works

Enter the area value in square kilometers in the input field.
The converter multiplies your value by 100 (since 1 km² = 100 ha).
The result in hectares appears instantly below the input.
Use the swap button to reverse the conversion direction (hectares to km²).
Click the copy button to copy the result to your clipboard.

Use cases

Convert national park or forest areas from km² to hectares for reports.
Convert farmland or agricultural zone sizes for property records.
Cross-check land survey measurements between different unit systems.
Quickly convert map scale areas when planning infrastructure projects.
Help students verify geography or environmental science homework.
Convert satellite imagery coverage areas between unit formats.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu