When are federal estimated taxes for individual returns due?

The deadlines for tax year 2026 quarterly payments are:

The deadlines for tax year 2025 quarterly payments were:

We automatically calculate quarterly estimated tax payments and prepare vouchers (Form 1040-ES) for you to print. Mail your payment along with the corresponding 1040-ES voucher to the IRS address listed on the voucher.

The postmark date is used to determine if the estimated tax payment is paid on time. Additional payment options are available at the IRS Payment website.