10 Tools
Financial & Health Calculators
Everyday calculations made simple. Our calculator suite handles personal finance, health metrics, and general arithmetic — all running instantly in your browser. Estimate monthly mortgage payments with amortization schedules, calculate loan costs and total interest, determine your BMI and health category, split restaurant bills with tip calculations, compute percentage changes and differences, calculate savings from discounts, find your exact age in years-months-days, convert between measurement units, and compute time durations between dates. Each tool uses standard formulas and provides instant results as you adjust inputs.
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Frequently Asked Questions
How accurate are these calculators?
All calculators use standard mathematical formulas and well-established algorithms. Financial calculators like mortgage and loan use standard amortization formulas. The BMI calculator uses the standard WHO formula (weight / height). Results are accurate to the precision shown, but always consult a professional for financial or medical decisions.
Can I use the mortgage calculator for refinancing calculations?
Yes. The Mortgage Calculator works for both new purchases and refinancing. Enter the loan amount, interest rate, and term to see monthly payments, total interest paid, and the full amortization schedule. For refinancing, enter your remaining balance as the loan amount.
What is the difference between simple and compound percentage calculations?
Our Percentage Calculator handles basic percentage operations: what is X% of Y, what percent is X of Y, and the percentage increase or decrease between two numbers. For compound calculations like investment growth or loan amortization, use the Loan Calculator or Mortgage Calculator which apply compound interest formulas.