7 calculators
Everyday
Unit price, cost comparison, and practical everyday decision calculators.
Calculators
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Diaper Calculator
Use this diaper calculator to estimate diapers per month, pack counts, wipes, shopping buffer, and diaper cost from baby age, weight, and prices.
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Fabric Calculator
Estimate sewing yardage from project type, size bracket, fabric width, and a buying allowance.
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GDPR Compliance Cost Calculator
Estimate the cost of GDPR compliance from company size, data processing scope, and current readiness level.
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IQ Percentile Calculator
Convert an IQ score to percentile rank, rarity, z-score, and broad band, or reverse a percentile into an IQ cutoff using selectable SD 15, SD 16.
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Screen Time Calculator
Track daily screen time across devices and see weekly, monthly, and yearly totals with health context.
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Sunscreen Calculator
Estimate sunscreen per application, reapplication timing, and bottle coverage from body size, exposed skin area, and activity.
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Wedding Alcohol Calculator
Estimate beer, wine, and spirits for a wedding or party from guest count, non-drinker share, reception length, drink mix, and a safety buffer.
Related categories
Pets & Animals
Dog age, cat age, pet food, and animal care calculators.
Novelty
Fun and curiosity calculators including toilet paper, lucky number, and more.
Sports & Games
Odds, dice probability, and sports/games calculators.
Travel & Holiday
Holiday budgeting, visa planning, jet lag, tipping, and travel preparation calculators.