Review your Form W-4. Make sure you and your spouse are not both claiming the dependents on each form. There is also limits on the child tax credit based on income and age. Make sure to enter any dependent information based on those factors. Here are a few links that can assist with a more accurate calculation for withholdings:
You have clicked a link to a site outside of the TurboTax Community. By clicking "Continue", you will leave the Community and be taken to that site instead.