Each year the IRS adjusts certain tax numbers for inflation and tax law changes. Here are some of the adjusted numbers you’ll need for your 2014 tax planning.

• Standard mileage rate for business driving decreases to 56¢ a mile. Rate for medical and moving mileage decreases to 23.5¢ a mile. Rate for charitable driving remains at 14¢ a mile.
• Section 179 maximum first-year expensing deduction decreases to $25,000, with a phase-out threshold of $200,000.
• Social security taxable wage limit increases to $117,000. Retirees under full retirement age can earn up to $15,480 without losing benefits.
• Kiddie tax threshold remains at $2,000 and applies up to age 19 (up to age 24 for full-time students).
• Nanny tax threshold increases to $1,900.
• Health savings account (HSA) contribution limit increases to $3,300 for individuals and to $6,550 for families. An additional $1,000 may be contributed by those 55 or older.
• 401(k) maximum salary deferral remains at $17,500 ($23,000 for 50 and older).
• SIMPLE maximum salary deferral remains at $12,000 ($14,500 for 50 and older).
• IRA contribution limit remains at $5,500 ($6,500 for 50 and older).
• Estate tax top rate remains at 40%, and the exemption amount increases to $5,340,000.
• The annual gift tax exclusion remains at $14,000.
• Tax credit for adopting a child is $13,190 for 2014.
• Alternative minimum tax exemption amounts increase to $52,800 for single taxpayers and $82,100 for married couples filing a joint return.
• Limit on transportation fringe benefit is $130 for vehicle/transit passes and $250 for qualified parking.