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Frequently-used tools across finance, health, construction, AI, and more.
Loan Calculator
Calculate loan payments, total interest, and payoff schedule fast.
BMI Calculator
Calculate BMI and check weight category by height and weight.
GFR Calculator
Estimate GFR from creatinine, age, sex, and lab inputs.
Age Calculator
Calculate age in years, months, days, and exact date differences.
Date Calculator
Add or subtract dates and calculate day counts between dates.
Tile Calculator
Calculate tile quantity, coverage, cuts, and grout allowance.
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Finance
Loans, mortgages, taxes, savings, investing, payments and more.
Health
BMI, blood pressure, labs, nutrition, fitness and wellness tools.
Maths
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Time
Dates, time zones, durations, timers, schedules and time tools.
Construction
Concrete, paint, tile, flooring, roofing and material estimates.
AI & Data
Tokens, API costs, embeddings, datasets and model planning tools.
Biology
Lab calculators, dilution, growth rates, genetics and biology tools.
Gemstones
Carat conversions, sizing, pricing, and gemstone value tools.
Lifestyle
Food, tips, bill splits, grades, daily life and quick helpers.
Numerology
Life path, destiny, name numbers, compatibility and number tools.
Science
Weather, air quality, solar, physics-style and environment tools.
Technology
Networking, power, files, encoding, generators and dev utilities.
Travel
Fuel, mileage, taxi fares, flights, and trip planning calculators.
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