The toolbox
Calculators for the moments that need a number.
This is the starting collection. Each tool will be built around clear inputs, transparent assumptions, and results you can act on.
Browse the shelf
Start with a category
Home & DIY
Plan repairs, projects, measurements, and practical work around the home.
1 toolsEveryday
Handle the small planning and decision-making problems that fill a normal day.
0 toolsMath
Work through percentages, ratios, estimates, and other common number questions.
2 toolsTime & Date
Make schedules, durations, and dates easier to handle.
0 toolsCooking
Adjust servings, measurements, temperatures, and kitchen quantities.
0 toolsTechnology
Make sense of digital storage, data, and everyday technology questions.
1 toolsConverters
Move between familiar units without ambiguity.
Featured tools
The collection is just getting started.
Paint calculator
Estimate paint for your walls after doors, windows, coats, coverage, and waste.
calculatorFlooring calculator
Estimate flooring area, pieces, and packages for a room.
calculatorConcrete calculator
Calculate concrete volume for slabs, footings, columns, and cylinders.
calculatorDate calculator
Compare dates or add and subtract calendar days and weeks.
utilityUnit converter
Convert length, weight, temperature, area, and volume with explicit units.
Coming soonBudget planner
Plan everyday spending with a clear view of the numbers.
Coming soonTime planner
Turn a duration into a schedule you can actually use.