Shopping & Value
Calculate discounts, compare package unit prices (per 100g), and evaluate subscription value.
3 tools and calculators
Popular
Price Per Unit & Best Value Comparison Calculator
Compare two products with different sizes and prices. Automatically normalizes grams, kilograms, ounces, pounds, milliliters, liters, and pieces to find the true best deal.
Subscription & Recurring Cost Calculator
Calculate the true annual and multi-year cost of monthly recurring subscriptions (SaaS, streaming, gym, apps) and evaluate Annual vs Monthly vs Lifetime discounts.
Cost Per Use & Ownership Value Calculator
Evaluate whether purchasing expensive tools, appliances, gear, or clothing is financially justified compared to renting or cheaper alternatives.