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💰 Finance Calculators — Mortgage, retirement, investing, taxes & more (105 tools)
❤️ Health & Fitness Calculators — BMI, calories, body fat, pregnancy & more (59 tools)
📐 Math Calculators — Percentage, algebra, statistics, geometry & more (49 tools)
🏠 Everyday Calculators — Gas cost, recipes, grades, pets & more (57 tools)
🔄 Conversion Tools — Temperature, weight, length, cooking & more (34 tools)
🏗️ Construction Calculators — Concrete, roofing, framing, electrical & more (28 tools)
💼 Business Calculators — Freelance rates, margins, SaaS metrics & more (25 tools)
🧪 Science Calculators — Physics, chemistry, electronics & more (27 tools)
📅 Date & Time Calculators — Date math, time zones, countdowns & more (24 tools)