All calculators
Browse every calculator, grouped by category and sorted alphabetically.
Financial Calculators
Plan budgets, loans, investments, and savings with clarity.
Amortization Calculator
Calculate payments and view an amortization schedule for a fixed-rate loan.
Compound Interest Calculator
Estimate future investment value with compound growth and regular monthly contributions.
Hourly to Salary Calculator
Convert hourly rate to weekly, monthly, and annual salary estimates.
Income Tax Calculator
Estimate income tax and after-tax income (simple model; ready for future regional rules).
Investment Calculator
Project investment growth with recurring contributions and an expected annual return.
Loan Calculator
Calculate monthly repayments, total paid, and interest for personal or business loans.
Mortgage Calculator
Estimate monthly mortgage payments with taxes, insurance, and HOA for UK, European, and US scenarios.
Retirement Calculator
Estimate how your retirement savings could grow based on contributions and expected returns.
Salary / Take-Home Pay Calculator
Estimate take-home pay after tax for UK, EU, and USA users.
Salary to Hourly Calculator
Convert annual salary to an hourly rate using hours per week and weeks per year.
Sales Tax Calculator
Calculate sales tax for purchases in the USA.
Savings Calculator
Estimate savings growth with monthly deposits and annual interest.
VAT Calculator
Calculate VAT for UK and European countries.
Health Calculators
Track health metrics and wellness insights with simple tools.
BMI Calculator
Calculate your Body Mass Index using metric or imperial units and see the weight category.
BMR Calculator
Estimate Basal Metabolic Rate (BMR) using the Mifflin–St Jeor equation.
Body Fat Calculator
Estimate body fat percentage using the US Navy method (measurements in cm).
Calorie Calculator
Estimate daily calories for maintenance and simple weight change targets based on activity level.
Ideal Weight Calculator
Estimate an ideal weight range using the Devine formula (height in cm).
Ovulation Calculator
Estimate ovulation date and fertile window from the last period start date and average cycle length.
Pregnancy Calculator
Estimate due date, current pregnancy week, and trimester based on the last menstrual period (LMP).
TDEE Calculator
Estimate Total Daily Energy Expenditure (TDEE) based on BMR and activity level.
Math Calculators
Solve everyday math problems from percentages to algebra basics.
Fraction Calculator
Add, subtract, multiply, or divide fractions and see simplified and decimal results.
GPA Calculator
Calculate GPA from multiple courses using credits and letter grades (simple 4.0 scale).
Grade Calculator
Estimate the final exam grade required to reach a desired overall grade.
Percentage Calculator
Quickly find the percentage value of a number. Ideal for discounts, tax, and simple ratio checks.
Scientific Calculator
Evaluate expressions with parentheses, powers, square root, trig, logs, and π.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation for a list of numbers.
Date and Time Calculators
Work with durations, due dates, timelines, and scheduling.
Conversion Calculators
Convert units, currencies, and measurements in a few clicks.
Currency Converter
Convert between currencies like GBP, EUR, and USD.
Miles and Kilometers Converter
Convert between miles (mi) and kilometers (km).
Pounds and Kilograms Converter
Convert between pounds (lb) and kilograms (kg).
Unit Converter
Convert between common units for length, weight, and temperature.
Daily Life Calculators
Handle everyday decisions from tips to sharing costs and more.