Instant answer

Acre to Hectare Converter

1 acre = 0.404686 hectare.

Formula

Acre x 0.404686 = Hectare

Land calculator

Acre to Hectare Converter

Convert acre to hectare, square feet, square meter, Ropani, and Bigha.

To

0.4047 Hectare

1 Acre = 0.4047 Hectare

Formula: 1 Acre = 43,560 square feet

Base area

43,560 sq ft is the common bridge value used to compare all selected units.

Record check

Use calculator output for planning, then verify Lalpurja, survey map, and local records before decisions.

Regional note

Haat values vary by district; Terai and hill systems are separate.

Hill System

Terai System

International

Hill format

7 Ropani 15 Aana

Terai format

0 Bigha 12 Kattha

Base area

43,560 sq ft

How to use the Acre to Hectare Converter

Planning and records note

This conversion is useful when comparing international property and agricultural land sizes. Enter the value you want to convert, choose the matching source unit, and use the result as a planning reference. For property transactions, verify the final area against the official record, survey map, tax receipt, and local land records.

Example conversion table

InputApproximate result
1 Acre0.404686 Hectare
5 Acre2.02343 Hectare
10 Acre4.04686 Hectare

Frequently asked questions

Can I use this conversion for legal documents?+

Use it as a planning reference only. For legal, tax, loan, or registration work, confirm the area with the official record, survey map, or a licensed professional.

Does RopaniBigha store what I enter?+

No. The calculator runs in your browser and the values you type into the converter are not transmitted to a server.

Helpful next steps

Last reviewed

Last reviewed: May 2026. Converter pages are reviewed for public formula clarity and safe regional disclaimers. Use results for planning and always confirm official property records before decisions.