Age Calculator
Calculate exact age in years, months, weeks, and days from date of birth.
Open toolCalculator collection
Calculators
Finance, business, and health calculators with instant browser-based results.
BMI Calculator
Calculate Body Mass Index and receive weight category guidance.
Open toolBody Fat Calculator
Estimate body fat percentage and lean mass using body measurements.
Open toolBreak-even Calculator
Calculate units and revenue required to break even.
Open toolCalorie Needs Calculator
Estimate BMR and maintenance calories by age, weight, and activity level.
Open toolCompound Interest Calculator
Forecast investment growth with compounding frequency and annual return.
Open toolCredit Card Payoff Calculator
Estimate debt payoff time, total paid, and interest cost from your payment amount.
Open toolCrypto Profit Calculator
Calculate crypto trade profit, ROI, and break-even sell price after fees.
Open toolCurrency Converter Calculator
Convert values between major currencies using your selected exchange rate.
Open toolDate Difference Calculator
Calculate exact time difference between two dates with day, week, month, and business-day totals.
Open toolDebt-to-Income (DTI) Calculator
Calculate front-end and back-end DTI ratios with lender-style affordability thresholds.
Open toolFreelance Rate Calculator
Determine a sustainable hourly rate from income goals and billable hours.
Open toolInflation Calculator
See how inflation changes future costs and purchasing power over time.
Open toolLoan EMI Calculator
Calculate monthly loan installments, total interest, and total repayment.
Open toolMarkup Calculator
Set selling price from cost and target markup percentage.
Open toolMortgage Calculator
Plan monthly mortgage payments including taxes, insurance, and HOA.
Open toolPregnancy Due Date Calculator
Estimate due date and current pregnancy week from LMP and cycle length.
Open toolProfit Margin Calculator
Calculate margin and markup based on cost and selling price.
Open toolROI Calculator
Measure return on investment and net profit for any campaign or project.
Open toolSalary After Tax Calculator
Estimate annual and monthly take-home pay after tax, retirement, and deductions.
Open toolSavings Goal Calculator
Find the monthly amount needed to hit your future savings target.
Open toolSimple Interest Calculator
Compute total simple interest and maturity amount in seconds.
Open toolStartup Cost Estimator
Estimate launch budget using one-time costs, monthly burn, and runway.
Open toolVAT Calculator
Add VAT to base prices and instantly view tax-inclusive totals.
Open toolWater Intake Calculator
Estimate daily hydration needs using body weight and activity.
Open tool