Manchester United says the club has reached an agreement with Premier League rival Arsenal to buy Netherlands striker Robin van Persie.

United says Van Persie is yet to agree to personal terms, with the deal subject to a medical examination.

No financial details were disclosed, although British media has reported that Arsenal wanted STG20 million ($A30 million) for its captain, who has one year left on his contract.

Arsenal says Van Persie will travel to United on Thursday to complete the deal.

The Dutchman was the Premier League’s top scorer last season but then refused to sign a new contract with Arsenal.