Probate Calculator Use the "calculator" below to estimate Attorney fees for estates over $150,000, but less than $10,000,000. Estimated value of real and personal property. Numbers only. No $ and no commas. 4% of the first $100,000. 3% of the next $100,000. 2% of the next $800,000. 1% of the next $9,000,000. * Estimated attorney's fees up to a $10,000,000 estate. * Fees for both the attorney and the executor of your estate. All amounts over $10,000,000 = reasonable amount to be determined by the court.