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Essential Calculators

Your suite of essential calculator tools for everyday calculations

Calculator Categories

2 tools

6 tools

1 tool

2 tools

Convert fractions and mixed numbers to decimals with step-by-step solutions

Calculate percentages, percentage of a number, and percentage change

Calculate final price with discounts and tax

Calculate monthly payments, total interest, and prepayment savings

Instant I = P·r·t; dates, day-count, discount

Monthly payment, PITI, extra payments & amortization schedule

Calculate take-home pay after federal, state, and local taxes (2025)

Plan your financial future with timeline simulator and smart insights

Split bills globally, smarter

Instant age, next birthday & milestones.

Instant BMI with healthy range & ideal weight

Optimized for speed and performance

Perfect on any device, any screen size

Clean, modern interface you'll love