Yes. All calculators use standard formulas. The EMI calculator uses the standard amortization formula. The BMI calculator uses the WHO formula. The compound interest calculator uses continuous or periodic compounding based on your selection. No rounding or approximation beyond standard floating-point arithmetic.

Yes. The Currency Converter fetches live exchange rates from an open exchange rate API. Rates are updated regularly. For exact financial transactions, always verify with your bank or broker.

The Loan Calculator targets global users — personal loans, auto loans, student loans. It shows an amortization schedule and works with any currency. The EMI Calculator targets India and South Asia specifically, with examples in lakhs and crores, and Indian bank rate references.

Yes. The PITI breakdown (Principal, Interest, Taxes, Insurance) uses dollar signs by default, but the calculations work for any currency. Enter your local values and interpret the output in your local currency.

TDEE (Total Daily Energy Expenditure) uses the Mifflin-St Jeor equation to calculate Basal Metabolic Rate, then multiplies by an activity factor (sedentary = 1.2, lightly active = 1.375, moderately active = 1.55, very active = 1.725, extra active = 1.9).