Refract complexity into clarity.

Mortgage Calculator - Estimate Monthly Home Loan Payments

Estimate mortgage payments, interest, taxes, insurance, and amortization to compare home loan costs before you buy.

BMI Calculator — Check Your Body Mass Index (WHO Standard)

Enter height and weight → instantly see your BMI score, WHO weight category, and healthy weight range. Supports metric and imperial measurements, with the WHO adult weight categories shown alongside the number.

SIP Calculator — Estimate Mutual Fund Returns & Wealth Growth

Enter a monthly investment amount to see total contributions, estimated returns and the future value. $500/month at 12% for 10 years is roughly $115,000. Plan a long-term goal with the assumptions visible.

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Percentage Calculator — What Is X% of Y? Increase & Decrease

Solve any percentage problem instantly: X% of Y, percentage increase/decrease, what % is X of Y, and percentage difference. With step-by-step formula shown.

Salary Calculator — Free Salary to Hourly, Monthly & Annual Converter

Free salary calculator — instantly convert your pay between annual, monthly, biweekly, weekly, daily, and hourly. See how much $25/hr is per year. No sign-up needed.

Inflation Calculator - Measure Buying Power Over Time

See how inflation changes the value of money over time and compare past amounts with today’s purchasing power.

Sales Tax & VAT Calculator — Add or Remove Tax

Add sales tax or VAT to a net price, or remove it from a tax-inclusive total. Works with any rate and currency.

Currency Converter — Live & Manual Rates

Convert 19 major currencies with daily reference rates, or switch to manual and use the exact rate your bank quoted.

Emergency Fund Calculator

Work out how much cash to keep for a safety net and how long it will take to save it.

Savings Goal Calculator

Find the monthly amount needed to reach a savings target by a chosen date.

Debt Payoff Calculator

See how long a balance will take to clear and how much interest you will pay.

Extra Mortgage Payment Calculator

See how much interest and time an extra monthly payment can save.

Loan Affordability Calculator

Estimate a sensible borrowing range from income, existing debts and current rates.

Net Worth Calculator

Add up assets and liabilities to see your financial position in one number.

50/30/20 Budget Calculator

Split take-home income into needs, wants and savings with the 50/30/20 rule.

4% Rule Retirement Calculator

Estimate sustainable retirement income from a portfolio using the 4% rule.

Days Between Dates Calculator

Count calendar days, weeks and weekdays between two dates.

Business Days Calculator

Count weekdays between two dates, excluding weekends.

Add Days to Date Calculator

Find the date a chosen number of days before or after a date.

Age in Days Calculator

Convert a birth date into exact days, weeks and years.

TDEE Calculator

Estimate total daily energy expenditure from body size and activity level.

Heart Rate Zones Calculator

Estimate five training zones from age and resting heart rate.

Daily Water Intake Calculator

Estimate a daily fluid target from body weight and exercise.