Free online calculators for everyone

Time Calculators

Precise time and date calculations for all your scheduling needs

Date Calculators

Date Calculator

Add or subtract days from a date

Age Calculator

Calculate exact age between dates

Pregnancy Calculator

Calculate due date and milestones

Time Calculators

Time Calculator

Add or subtract times

Time Zone Calculator

Convert between time zones

Countdown Calculator

Calculate time until events

Business Time Calculators

Business Days Calculator

Calculate working days between dates

Overtime Calculator

Calculate overtime hours and pay

Shift Calculator

Calculate shift schedules

Meeting Tools

Meeting Planner

Plan meetings across time zones

Why Choose Our Time Calculators?

Precise Results

Accurate to the second

Time Zone Support

Global time conversion

Business Features

Work day calculations

User-Friendly

Simple and intuitive