Financial & Calculators
Estimate costs, rates, returns and budgets with transparent calculator assumptions.
Percentage Calculator
Solve percentage increases, decreases, ratios and reverse percentages.
Unit Converter
Convert between units of length, weight, temperature and data size.
Aspect Ratio Calculator
Calculate matching pixel dimensions for any aspect ratio, like 16:9 or 21:9.
BMI Calculator
Calculate Body Mass Index from height and weight against standard ranges.
Age Calculator
Calculate an age from a birth date in calendar years, months and days, plus the total number of days.
Loan Amortization Calculator
Estimate monthly payments and total interest, then inspect the principal, interest and balance for every fixed-rate loan payment.
Tip Splitter
Split a restaurant bill and tip evenly across a group.
Event Countdown Clock
Track the time remaining until any future date and time.
VAT Calculator
Add or remove VAT/sales tax from a base price.
Profit Margin Calculator
Calculate margin, markup and net revenue after fees and commissions.
Inflation Calculator
Visualize how inflation erodes purchasing power over time.
ROI Calculator
Calculate return on investment as a percentage and annualized rate.
Discount Calculator
Calculate the final price and savings from any percentage discount.
Simple Interest Calculator
Forecast growth on savings using simple, non-compounding interest.
Fuel Cost Calculator
Calculate fuel cost per trip and per kilometer from consumption data.
Cumulative Time Tracker
Add up hours and minutes across multiple entries for payroll or billing.
Pregnancy Due Date Calculator
Estimate pregnancy milestones and due date from your last cycle.
BMR Calorie Calculator
Estimate your daily calorie needs based on basal metabolic rate and activity.
Exercise Calorie Burn Calculator
Estimate calories burned for common activities by duration and intensity.
Hydration Calculator
Estimate daily water intake from body weight using a simple general formula; medical needs, climate and activity are not included.
Pet Age Calculator
Convert your dog or cat's age into the equivalent human age.
Subscription Tracker
Track monthly or yearly subscriptions in TRY, USD, EUR or GBP and calculate normalized monthly and annual totals stored locally.
Crypto DCA Calculator
Calculate your average cost basis across multiple purchases over time.
Freelance Rate Calculator
Work out the hourly rate you need to charge to hit your income goals.