Find how many days are in any month and year, including leap-year February. Days in Month Calculator is a free online tool from the ToolsRift Everyday Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
February has 28 days in common years and 29 days in leap years. This tool checks the leap-year rule automatically for the year you enter.
January, March, May, July, August, October and December each have 31 days. April, June, September and November have 30.
Daily rates, prorated rent and interest calculations depend on the exact number of days in the month, which varies through the year.