Everyday Utilities
8 tools in this category. Every one runs privately in your browser, with no account and no cost.
Percentage Calculator
Every percentage question answered from the same two numbers — what percentage of, what percentage is, and how much it changed.
Discount Calculator
Find the real price after a discount — including stacked offers, where the headline percentages never simply add up.
Tip Splitter
Split a bill and its tip across the table, with an option to round each share to something people can actually hand over.
Fuel Cost Calculator
What a journey actually costs in fuel — and what the same trip costs you over a month of repeating it.
BMI & Health Calculator
Body mass index with the healthy range for your height — and an honest note on what the number can and cannot tell you.
Date & Time Calculator
Days between two dates, working days excluded from weekends, and the date that falls a given number of days from now.
Unit Converter
Convert between metric and imperial across length, mass, volume, area, speed and temperature.
Budget Planner
Set your actual spending against the 50/30/20 rule and see, category by category, where the money is going wrong.