UrbiTools

Acres to Hectares Converter

Convert acres to hectares and back — exactly 0.40468564224 ha per acre. Free, instant, no sign-up, full working shown.

Convert acres ⇄ hectares

4.0469 ha
10 ac = 4.0469 ha (1 ac = 0.40468564224 ha (exact))

Formula: 10 ac × 0.40468564224 = 4.0469 ha

How the acres to hectares converter conversion works

The converter applies ha = acres × 0.40468564224. An acre is 4,046.8564224 m² and a hectare is 10,000 m², so the factor is 4,046.8564224 ÷ 10,000. Going the other way, acres = ha ÷ 0.40468564224.

Worked example: a 50-acre farm is 50 × 0.40468564224 = 20.2343 ha, and 100 acres is 40.4686 ha.

For the same land in square feet or square metres, use our acres to square feet converter or acres to square meters converter.

acres to hectares converter questions

How many hectares are in an acre?
Exactly 0.40468564224 ha. An acre is 43,560 sq ft, and each square foot is 0.09290304 m², so an acre is 4,046.8564224 m² = 0.40468564224 ha.
How do I convert acres to hectares?
Multiply by 0.40468564224: ha = acres × 0.40468564224. So 10 acres is 10 × 0.40468564224 = 4.0468564224 ha.
How many acres are in a hectare?
One hectare is 2.47105 acres (1 ÷ 0.40468564224). Divide any hectare figure by 0.40468564224 to get acres.
What is an acre?
An acre is 43,560 sq ft — historically one chain (66 ft) by one furlong (660 ft), the area a team could plough in a day.
What is a hectare?
A hectare is 10,000 m² — a square 100 m on each side, the standard metric unit for land.

More converters

mg to ml ConverterMilligrams to millilitres with density presets.ml to oz ConverterMillilitres to US fluid ounces and back.Liters to Gallons ConverterLitres to US or UK (imperial) gallons.Steps to km ConverterSteps to kilometres with adjustable stride length.cups to ml ConverterUS cups to millilitres and back.kg to lbs ConverterKilograms to pounds and back.Fahrenheit to Celsius ConverterFahrenheit to Celsius and back.grams to cups ConverterGrams to US cups with ingredient presets — flour, sugar, butter and more.ounces to grams ConverterOunces to grams and back — exact 28.3495 g per ounce.tablespoons to ml ConverterUS tablespoons to millilitres and back.teaspoons to ml ConverterUS teaspoons to millilitres and back.grams to tablespoons ConverterGrams to US tablespoons with ingredient presets.liters to quarts ConverterLitres to US quarts and back.cups to tablespoons ConverterUS cups to tablespoons and back — 16 tbsp per cup.tablespoons to teaspoons ConverterTablespoons to teaspoons and back — 1 tbsp = 3 tsp.pints to cups ConverterUS pints to cups and back — 1 pint = 2 cups.quarts to cups ConverterUS quarts to cups and back — 1 quart = 4 cups.grams to ml ConverterGrams to millilitres with ingredient presets.gallons to cups ConverterGallons to cups and back — 16 cups per gallon.liters to pints ConverterLitres to US or UK pints — the pint of beer and milk.fluid ounces to cups ConverterFluid ounces to US cups and back — 8 fl oz per cup.teaspoons to cups ConverterTeaspoons to US cups and back — 48 tsp per cup.ml to liters ConverterMillilitres to litres and back — divide by 1,000.stone to kg ConverterStones to kilograms and back — exactly 6.35029 kg per stone (1 stone = 14 lb).stone to pounds ConverterStones to pounds and back — exactly 14 lb per stone.pounds to grams ConverterPounds to grams and back — exactly 453.59237 g per pound.ounces to pounds ConverterOunces to pounds and back — exactly 16 oz per pound.grams to kg ConverterGrams to kilograms and back — divide by 1,000.tons to kg ConverterUS tons and metric tonnes to kilograms — 907.18474 kg per US ton.ounces to kg ConverterOunces to kilograms and back — 0.0283495 kg per ounce.kg to ounces ConverterKilograms to ounces and back — 35.274 oz per kilogram.feet to meters ConverterFeet to metres and back — exactly 0.3048 m per foot.miles to km ConverterMiles to kilometres and back — exactly 1.609344 km per mile.inches to cm ConverterInches to centimetres and back — exactly 2.54 cm per inch.mm to inches ConverterMillimetres to inches and back — 25.4 mm per inch.yards to meters ConverterYards to metres and back — exactly 0.9144 m per yard.feet to cm ConverterFeet to centimetres and back — exactly 30.48 cm per foot.Height ConverterFeet and inches to centimetres and back — enter 5 ft 8 in and get 172.72 cm.meters to inches ConverterMetres to inches and back — 39.3701 in per metre.nautical miles to km ConverterNautical miles to kilometres and back — exactly 1.852 km per nautical mile.inches to feet ConverterInches to feet and back — exactly 12 in per foot.yards to feet ConverterYards to feet and back — exactly 3 ft per yard.Shoe Size ConverterUS, UK and EU shoe sizes for men and women — standard size charts.celsius to kelvin ConverterCelsius to kelvin and back — add 273.15; absolute zero is −273.15 °C.fahrenheit to kelvin ConverterFahrenheit to kelvin and back — K = (F − 32) × 5/9 + 273.15; absolute zero is −459.67 °F.square feet to square meters ConverterSquare feet to square metres and back — exactly 0.09290304 m² per sq ft.acres to square feet ConverterAcres to square feet and back — exactly 43,560 sq ft per acre.acres to square meters ConverterAcres to square metres and back — exactly 4,046.8564224 m² per acre.square miles to square km ConverterSquare miles to square kilometres and back — exactly 2.589988110336 km² per sq mi.square cm to square inches ConverterSquare centimetres to square inches and back — 1 cm² = 0.15500031 in².kmh to mph ConverterKilometres per hour to miles per hour and back — 1 km/h = 0.621371192 mph.knots to mph ConverterKnots to miles per hour and back — 1 knot = 1.15077945 mph.meters per second to kmh ConverterMetres per second to kilometres per hour and back — multiply by 3.6.

Sources & official guidance

Estimate only — the acre is 4,046.8564224 m² by definition; conversions are exact. See our disclaimer.