Nail & Manicure Calculators
Free, practical tools for healthy, beautiful nails — gauge your UV lamp exposure, find your most flattering shape, check a polish bottle’s lifespan, track your nail growth, cost out salon versus DIY, and time your polish drying.
UV Lamp Exposure Calculator
Estimate the total gel-cure lamp time for a manicure and your rough annual UV exposure, based on your lamp type, coats, and how often you get gel done
Nail Shape Selector
Answer three quick questions about your nail bed, finger length, and lifestyle to find the most flattering shape — plus two alternates and the reasoning
Polish Bottle Lifespan Calculator
Check whether an opened bottle of polish is still good — enter its type and when you opened it to see the months of usable life left and when to replace it
Nail Growth Tracker
Estimate how long your nails will take to reach a goal length from where they are now, at a typical or custom growth rate, in months and weeks
Manicure Cost Calculator
Compare what salon manicures cost over a year — tips included — against doing your own at home, and see the annual savings of going DIY
Nail Polish Drying Time Calculator
Estimate how long your manicure needs to dry to the touch and to fully harden, by polish type and coats, with an option for quick-dry drops