Hello, @RAH! TurboTax has TaxCaster, a free tax calculator, and a W-4 Withholding Calculator, too. These tools should be able to help you! Links below:
TaxCaster: https://turbotax.intuit.com/tax-tools/calculators/taxcaster/
W-4 Withholding Calculator: https://turbotax.intuit.com/tax-tools/calculators/w4/
