Everyday tools

Everyday calculators and converters for home, shopping and planning, with the method written out.

• 3D Print Filament Cost CalculatorCalculate 3D print filament cost from grams and spool price. Optionally add supports, purge and material.
• EU Phone Label Decoder and ComparisonEnter the printed values for two phones
• Meeting time zone and DST checkerPreview recurring meetings across clock changes with a local-time or UTC anchor.
• PTO and long weekend plannerFind long breaks using your workweek, employer holidays, blackout dates and PTO budget.
• Recipe converter: cups to gramsConvert fractions and scale recipes with sourced ingredient presets or your own weight reference.
• USB-C PD Charging Compatibility CheckerEnter charger and device profiles plus the cable capability