Hectares Calculator

Calculate hectares from length and width, square meters, acres, square feet, square yards, or known land area. Estimate hectares, acres, perimeter, fence length, material coverage, extra area, and land project cost.

Calculate Hectares

Hectares = Square Meters ÷ 10,000. Hectares With Extra = Net Hectares × (1 + Extra Percentage).
Your result will appear here.

How the hectares calculator works

Length and width mode:
The calculator converts your dimensions to meters, calculates square meters, then converts the result into hectares.

Multiple areas mode:
The calculator multiplies one area by the number of same-size areas.

Known area mode:
The calculator converts your known area into hectares, square meters, acres, square feet, square yards, and square kilometers.

Circular area mode:
The calculator uses diameter to estimate circular hectares and perimeter.

Why use a hectares calculator?

A hectares calculator helps estimate land size for farms, fields, pastures, lots, forestry, agricultural planning, fencing, spraying, seeding, fertilizing, mowing, and property planning.

It can help calculate hectares, square meters, acres, square feet, square yards, square kilometers, perimeter, fence length, material units, labor cost, and estimated total cost.

What your result means

Your result shows net hectares, hectares with extra, square meters, acres, square feet, square yards, square kilometers, perimeter, estimated fence length, material units, material cost, labor cost, fence cost, and estimated total cost.

Hectares formulas

Frequently asked questions

How do I calculate hectares?

Calculate square meters first, then divide by 10,000. For example, 10,000 square meters equals 1 hectare.

How many square meters are in a hectare?

One hectare equals 10,000 square meters.

How many acres are in a hectare?

One hectare equals about 2.47105 acres.

How many hectares are in a square kilometer?

One square kilometer equals 100 hectares.

Is this hectares calculator exact?

No. It is an estimate. Actual hectares can vary by irregular boundaries, survey measurements, slopes, easements, excluded areas, rounding, and measurement method.