Financial calculators for loans, investments, and money management

Finance

Health calculators for BMI, calories, fitness, and medical calculations

Health & Fitness

Mathematical calculators for algebra, geometry, statistics, and more

Academic calculators for grades, GPA, AP scores, and test prep

Construction calculators for materials, sizing, and home improvement

Automotive calculators for gear ratios, fuel, tires, and performance

Unit conversion calculators for length, weight, volume, and more

Sports calculators for stats, equipment sizing, and performance

Islamic calculators for zakat, prayer times, and finance

Lifestyle calculators for home, pets, events, and daily living

IT calculators for networking, servers, and technology

Scientific calculators for physics, chemistry, and biology