Learn Everyday Life — Calculator Tutorials & Guides
6 step-by-step guides for everyday life. Master calculation methods with detailed examples and practical tips.
How to Calculate Age Accurately: A Complete Manual Guide
Learn how to calculate age from a date of birth manually. Step-by-step guide with formulas, examples, and how to account for leap years and variable month lengths.
How to Calculate Days Between Dates & Add Days
Work out durations and add/subtract days, including business days. Date maths tips with examples.
Tip Calculator – Calculate Tips & Split Bills Fairly
Easily calculate tips and split bills with our tip calculator. Adjust for tax, service charge, and group size for fair gratuity worldwide.
How to Add, Subtract & Convert Time
Add/subtract durations, find differences and convert to decimal hours. Ideal for timesheets and payroll.
Time Zone Converter – Global Time & Meeting Planner
Convert time zones worldwide with our time zone converter. Account for DST, UTC offsets, and international date line shifts. Perfect for meetings and travel.
Online Countdown Timer - Events & Launch Clocks
Create a countdown timer for launches, events or deadlines. Supports time zones and website embedding with flexible options.