Shopping & Everyday Life Tools
Free smart shopping calculators for discounts, sale prices, restaurant tipping, bill splitting, unit pricing, price per weight, sales tax, shopping lists, and quick decisions. All tools run 100% in your browser with zero server uploads and instant processing.
Discount Calculator
Calculate stacked percentage discounts, promo codes, and dollar-off coupons
Sale Price Calculator
Compute final register total with markdown percentage and local sales tax
Sales Tax Calculator
Calculate sales tax or reverse-extract pre-tax price from receipt totals
Product Comparison Calculator
Analyze Cost-Per-Use (CPU) and lifetime value across competing purchases
Tip & Gratuity Calculator
Calculate restaurant gratuity, party splits, and whole dollar roundups
Split Bill Calculator
Split restaurant checks individually or shared with fair proportional tax and tip
Unit Price Calculator
Compare grocery package sizes and detect shrinkflation with unit pricing
Price Per Weight Calculator
Convert rates across $/lb, $/oz, $/kg, $/100g and calculate scale weight totals
Shopping Savings Calculator
Tally cumulative cart discounts, coupon codes, and credit card cashback
Shopping List Generator
Interactive grocery checklist sorted by supermarket aisle with budget tracker
Random Choice Picker
Unbiased random decision spinner for meals, activities, and everyday choices
Decision Maker Matrix
Multi-criteria weighted decision analysis (MCDA) for smart purchases
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