Turbo Tax has a great tax caster tool to estimate your taxes. It will also allow you to adjust your withholdings with an updated W-4 to provide to your employer.
https://turbotax.intuit.com/tax-tools/calculators/taxcaster/
https://turbotax.intuit.com/tax-tools/calculators/w4/
If you need to remit estimated tax payments instead of adjusting your withholdings: https://ttlc.intuit.com/turbotax-support/en-us/help-article/estimated-taxes/make-estimated-tax-payments/L5svMESaC_US_en_US