Worthulator
All Free Calculators& Tools
Instant results across salary, costs, investments, lifestyle, and more.
Most Popular
Popular Tools
Salary Breakdown Calculator
See how your gross salary splits into tax, National Insurance, and take-home pay. A simple way to understand what you actually keep.
Take Home Pay Calculator
Estimate your monthly and yearly take-home pay after tax and deductions. Helps you understand what lands in your bank account.
Overtime Pay Calculator
Calculate overtime pay, including time and a half and double time. See your weekly, monthly, and annual earnings instantly.
Salary Increase Calculator
Find out exactly what your raise is worth — after tax, after inflation, and over your entire career. Calculate monthly take-home increase and lifetime earnings impact.
Passive Income Calculator
Estimate how much passive income an investment or asset could generate over time. Helps you understand the income potential of what you already own or plan to build.
Net Worth Calculator
Calculate your total net worth — assets minus liabilities. Track what you own vs. what you owe, see your debt-to-asset ratio, and project your wealth over time.
Debt Payoff Calculator
Calculate your debt-free date using the avalanche or snowball method. Compare strategies, see interest saved, and visualise your burn-down timeline across multiple debts.
Loan Calculator
Calculate monthly payments, total interest, and total cost for car loans, personal loans, student loans, and standard loans.
Credit Card Interest Calculator
See how long it takes to pay off your credit card balance and how much interest you'll pay with fixed monthly payments.
Retirement Calculator
Project your retirement portfolio, monthly income, and readiness score. Includes inflation-adjusted drawdown modelling, portfolio sustainability, and what-if scenarios.
Investment Calculator
Project your future portfolio value with compound interest. Enter starting amount, monthly contributions, return rate, and duration to see your wealth grow.
Compound Interest Calculator
Work out how your money grows with compound interest. Enter your starting amount, rate, and time period and get instant results for total growth and final value.
ROI Calculator
Calculate gross ROI, real returns after inflation, fee drag impact, and how your investment compares to the benchmark. Investor-grade analysis in seconds.
Savings Calculator
Calculate how much your savings will grow over time with compound interest. Enter your starting balance, monthly contributions, and interest rate for an instant projection.
Emergency Fund Calculator
Calculate your emergency fund target based on your actual monthly expenses. See how many months you're covered, how much you still need, and when you'll be fully funded.
Savings Goal Calculator
Calculate how much you need to save each month to reach a financial goal by a target date.
Screen Time Impact Calculator
Work out the real cost of your daily screen habits. Enter your usage and get instant results for weekly time lost and lifetime opportunity cost.
Hours to Decimal Calculator
Convert hours and minutes into decimal hours instantly. Perfect for timesheets, payroll, and billing.
Subscription Cost Calculator
Work out exactly what you spend on subscriptions each year. Add your services and get an instant total so you can see where your money goes.
Coffee Cost Over Lifetime Calculator
Work out how much your daily coffee habit costs over a lifetime. Enter your spend and get instant results for yearly and total lifetime cost.
Freelance Rate Calculator
Calculate the minimum hourly rate you need to charge as a freelancer to hit your income goal after tax, expenses, and profit margin. See income scenarios and check if you're undercharging.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, amortisation schedule, and affordability. Includes PMI, extra payments, and taxes.
Rent vs Buy Calculator
Find out whether renting or buying leaves you wealthier. Compare net worth, break-even year, equity growth, and opportunity cost over any time horizon.
Commute Time Value Calculator
Calculate the real cost of your daily commute in hours lost and salary equivalent per year.
Car Loan Calculator
Calculate your monthly car payment, total interest, and true cost of any vehicle loan.
Road Trip Cost Calculator
Calculate total fuel cost for any road trip based on distance, your car's MPG, and local gas prices.
Dental Implant Cost Calculator
Estimate your dental implant cost based on treatment type, quality, clinic, and location. Single tooth, full mouth, and All-on-4 options covered.
BMI Calculator
Calculate your Body Mass Index (BMI) from your height and weight, and see your healthy weight range.
Running Pace Calculator
Calculate your running pace per mile and per km, plus projected finish times for common race distances.
Sleep Cycle Optimizer
Find the perfect bedtime for 4, 5, or 6 full 90-minute sleep cycles based on your wake-up time.
Smoking Cost Calculator
Work out how much smoking costs you per year and over a lifetime. Enter your daily cigarettes and price and get instant results for yearly and lifetime spend.
Percentage Increase Calculator
Calculate percentage increase, decrease, difference, and reverse percentages instantly. Useful for salary raises, price changes, and investment returns.
Discount Calculator
Calculate your final price after any discount — percentage off, fixed amount, or buy-X-get-Y. Add sales tax for the exact checkout total.
Tip Calculator
Calculate how much to tip and split the bill evenly. Enter your bill, tip percentage, and number of people.
Percentage Calculator
Instantly calculate what X% of a number is, the percentage one number is of another, and percentage change.
Grocery Unit Price
Compare the price per unit of two grocery items to instantly find which is the better deal.
Pay Raise Calculator
Calculate your new salary, annual increase, and monthly boost after a pay raise.
Sales Tax Calculator
Calculate the sales tax amount and total price for any purchase instantly.
Profit Margin Calculator
Calculate gross profit, margin percentage, and markup from revenue and cost.
FIRE Calculator
Calculate your FIRE number and how many years until you reach financial independence using the 4% rule.
Millionaire Calculator
See exactly how many years until your investments reach $1,000,000.
Car Affordability Calculator
Find the maximum car price and monthly payment you can afford based on your income and the 15% rule.
Salary to Hourly Calculator
Convert an annual salary to hourly, daily, weekly, and monthly rates instantly.
Meeting Cost Calculator
See the true dollar cost of any meeting based on attendees, average salary, and duration.
Commute Cost Calculator
Calculate the true annual fuel cost of your daily commute based on miles, MPG, and gas price.
Quit Smoking Calculator
See how much money you've saved and life you've regained since quitting smoking.
Calorie Deficit Calculator
Calculate your daily calorie target and deficit to reach your weight loss goal safely.
Personal Injury Case Evaluator
Estimate your personal injury claim value based on injury type, liability, financial losses, and your state. A lawyer-grade case evaluation for educational purposes.
Missed Investment Calculator
See what a past purchase would be worth today if you had invested it instead. Enter the amount, years ago, and expected return.
Subscription Auditor
Add up all your monthly subscriptions and see your annual spend — and what it would be worth if invested.
Roof Replacement Cost
Estimate the cost of replacing your roof based on size, material, and pitch. Covers asphalt shingles, metal, and tile.
Dental Implant Cost
Estimate the cost of dental implants in the US, including single tooth, full arch, and All-on-4 options.
Concrete Slab Calculator
Estimate the installed cost of a concrete slab for driveways, patios, and foundations. US prices per sq ft, updated for 2026.
Airbnb Profit Calculator
Calculate your estimated Airbnb monthly and annual net profit after platform fees and expenses.
Alcohol Cost Calculator
Calculate your annual alcohol spend and what it would grow to if invested instead.
Bill Split Calculator
Split a restaurant bill with tip evenly between any number of people.
Biological Age Calculator
Estimate your biological age based on sleep, exercise, BMI, and smoking habits.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method from height, waist, and neck measurements.
Burnout Risk Calculator
Assess your workplace burnout risk based on hours worked, stress level, and sleep quality.
Caffeine Half-Life Calculator
See how much caffeine is still active at your bedtime and find your ideal daily cutoff time.
Coast FIRE Calculator
Calculate your Coast FIRE number — the amount you need saved today to retire without another contribution.
Credit Card Payoff Calculator
See exactly how many months to pay off your credit card and how much total interest you'll pay.
Down Payment Calculator
Find out exactly how much you need to save each month to reach your home down payment goal.
EV vs Gas Cost Calculator
Compare the annual fuel cost of an electric vehicle vs a gas car based on your mileage and rates.
Job Offer Comparison Calculator
Compare two job offers on total effective compensation including salary, commute costs, and benefits.
Latte Factor Calculator
Find out what your daily coffee or snack habit would grow to if invested instead over 10–30 years.
Life in Weeks Calculator
See your life visualised in weeks — how many you have lived and how many remain at average life expectancy.
Macro Calculator
Calculate your optimal daily protein, carbohydrate, and fat grams based on your calorie goal and body weight.
Pet Cost Calculator
Calculate the real annual and lifetime cost of owning a dog or cat including food, vet, and insurance.
Salary Negotiation Calculator
Get a data-driven recommended salary ask based on your current offer, market range, and experience.
Self-Employed Tax Calculator
Calculate your self-employment tax, quarterly estimated payments, and monthly reserve as a 1099 worker.
Side Hustle Calculator
See your actual net monthly and yearly income from any side hustle after expenses and self-employment tax.
Solar Panel ROI Calculator
Calculate your solar panel payback period, first-year savings, and 25-year total return on investment.
TDEE Calculator
Calculate your Total Daily Energy Expenditure and BMR using the Mifflin-St Jeor formula.
True Hourly Wage Calculator
Calculate your actual hourly wage accounting for commute time, prep time, and decompression.
Vaping Cost Calculator
Calculate your annual and 5-year vaping cost and what that money would be worth if invested.
WFH Savings Calculator
Calculate your annual savings from working from home — commute costs, food, and hours reclaimed.
Financial Tools
Debt, loans, investment, savings & affordability
Salary Breakdown Calculator
See how your gross salary splits into tax, National Insurance, and take-home pay. A simple way to understand what you actually keep.
Take Home Pay Calculator
Estimate your monthly and yearly take-home pay after tax and deductions. Helps you understand what lands in your bank account.
Overtime Pay Calculator
Calculate overtime pay, including time and a half and double time. See your weekly, monthly, and annual earnings instantly.
Salary Increase Calculator
Find out exactly what your raise is worth — after tax, after inflation, and over your entire career. Calculate monthly take-home increase and lifetime earnings impact.
Hourly to Salary Calculator
Convert an hourly rate into an estimated annual salary. Useful when comparing job offers or working out your income as a contractor.
Passive Income Calculator
Estimate how much passive income an investment or asset could generate over time. Helps you understand the income potential of what you already own or plan to build.
Net Worth Calculator
Calculate your total net worth — assets minus liabilities. Track what you own vs. what you owe, see your debt-to-asset ratio, and project your wealth over time.
Debt Payoff Calculator
Calculate your debt-free date using the avalanche or snowball method. Compare strategies, see interest saved, and visualise your burn-down timeline across multiple debts.
Loan Calculator
Calculate monthly payments, total interest, and total cost for car loans, personal loans, student loans, and standard loans.
Credit Card Interest Calculator
See how long it takes to pay off your credit card balance and how much interest you'll pay with fixed monthly payments.
Retirement Calculator
Project your retirement portfolio, monthly income, and readiness score. Includes inflation-adjusted drawdown modelling, portfolio sustainability, and what-if scenarios.
Investment Calculator
Project your future portfolio value with compound interest. Enter starting amount, monthly contributions, return rate, and duration to see your wealth grow.
Compound Interest Calculator
Work out how your money grows with compound interest. Enter your starting amount, rate, and time period and get instant results for total growth and final value.
ROI Calculator
Calculate gross ROI, real returns after inflation, fee drag impact, and how your investment compares to the benchmark. Investor-grade analysis in seconds.
Savings Calculator
Calculate how much your savings will grow over time with compound interest. Enter your starting balance, monthly contributions, and interest rate for an instant projection.
Emergency Fund Calculator
Calculate your emergency fund target based on your actual monthly expenses. See how many months you're covered, how much you still need, and when you'll be fully funded.
Savings Goal Calculator
Calculate how much you need to save each month to reach a financial goal by a target date.
Percentage Increase Calculator
Calculate percentage increase, decrease, difference, and reverse percentages instantly. Useful for salary raises, price changes, and investment returns.
Pay Raise Calculator
Calculate your new salary, annual increase, and monthly boost after a pay raise.
Profit Margin Calculator
Calculate gross profit, margin percentage, and markup from revenue and cost.
Markup Calculator
Calculate your selling price, profit, and gross margin from cost and markup percentage.
FIRE Calculator
Calculate your FIRE number and how many years until you reach financial independence using the 4% rule.
Millionaire Calculator
See exactly how many years until your investments reach $1,000,000.
Car Affordability Calculator
Find the maximum car price and monthly payment you can afford based on your income and the 15% rule.
Salary to Hourly Calculator
Convert an annual salary to hourly, daily, weekly, and monthly rates instantly.
Coast FIRE Calculator
Calculate your Coast FIRE number — the amount you need saved today to retire without another contribution.
Credit Card Payoff Calculator
See exactly how many months to pay off your credit card and how much total interest you'll pay.
DRIP Calculator
Model the compounding power of dividend reinvestment over time with regular contributions.
Self-Employed Tax Calculator
Calculate your self-employment tax, quarterly estimated payments, and monthly reserve as a 1099 worker.
Side Hustle Calculator
See your actual net monthly and yearly income from any side hustle after expenses and self-employment tax.
Home & Property
Mortgages, rent vs buy, running costs & ROI
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, amortisation schedule, and affordability. Includes PMI, extra payments, and taxes.
Rent vs Buy Calculator
Find out whether renting or buying leaves you wealthier. Compare net worth, break-even year, equity growth, and opportunity cost over any time horizon.
Airbnb Profit Calculator
Calculate your estimated Airbnb monthly and annual net profit after platform fees and expenses.
Down Payment Calculator
Find out exactly how much you need to save each month to reach your home down payment goal.
Work & Freelance
Salary, freelance rate, contractor tools & career decisions
Freelance Rate Calculator
Calculate the minimum hourly rate you need to charge as a freelancer to hit your income goal after tax, expenses, and profit margin. See income scenarios and check if you're undercharging.
Burnout Risk Calculator
Assess your workplace burnout risk based on hours worked, stress level, and sleep quality.
Job Offer Comparison Calculator
Compare two job offers on total effective compensation including salary, commute costs, and benefits.
Salary Negotiation Calculator
Get a data-driven recommended salary ask based on your current offer, market range, and experience.
True Hourly Wage Calculator
Calculate your actual hourly wage accounting for commute time, prep time, and decompression.
WFH Savings Calculator
Calculate your annual savings from working from home — commute costs, food, and hours reclaimed.
DIY & Building
Concrete, materials, layout tools & project planning
Paint Coverage Calculator
Calculate how many gallons of paint you need for a room based on wall area, doors, windows, and coats.
Concrete Calculator
Calculate how much concrete you need in cubic yards or cubic metres. Get bag counts for slabs, driveways, and footings instantly.
Concrete Bag Calculator
Find out exactly how many 40, 60, or 80 lb bags of concrete you need for any slab or footing. Includes waste factor and cost estimate.
Concrete Block Calculator
Calculate how many 8×8×16 inch concrete blocks you need for any wall. Enter length and height to get block count, wall area, and material cost estimate.
Concrete Slab Calculator
Estimate the installed cost of a concrete slab for driveways, patios, and foundations. US prices per sq ft, updated for 2026.
Energy & Sustainability
Solar, carbon footprint, energy usage & green savings
Lifestyle & Habits
Habits, spending, food, travel & entertainment costs
Subscription Cost Calculator
Work out exactly what you spend on subscriptions each year. Add your services and get an instant total so you can see where your money goes.
Coffee Cost Over Lifetime Calculator
Work out how much your daily coffee habit costs over a lifetime. Enter your spend and get instant results for yearly and total lifetime cost.
Quit Smoking Calculator
See how much money you've saved and life you've regained since quitting smoking.
Alcohol Cost Calculator
Calculate your annual alcohol spend and what it would grow to if invested instead.
Pet Cost Calculator
Calculate the real annual and lifetime cost of owning a dog or cat including food, vet, and insurance.
Vaping Cost Calculator
Calculate your annual and 5-year vaping cost and what that money would be worth if invested.
Health & Fitness
Calories, sleep, fitness & wellbeing costs
Dental Implant Cost Calculator
Estimate your dental implant cost based on treatment type, quality, clinic, and location. Single tooth, full mouth, and All-on-4 options covered.
BMI Calculator
Calculate your Body Mass Index (BMI) from your height and weight, and see your healthy weight range.
Running Pace Calculator
Calculate your running pace per mile and per km, plus projected finish times for common race distances.
Sleep Cycle Optimizer
Find the perfect bedtime for 4, 5, or 6 full 90-minute sleep cycles based on your wake-up time.
Smoking Cost Calculator
Work out how much smoking costs you per year and over a lifetime. Enter your daily cigarettes and price and get instant results for yearly and lifetime spend.
Water Intake Calculator
Calculate your ideal daily water intake in ounces, glasses, and litres based on body weight and exercise.
Calorie Deficit Calculator
Calculate your daily calorie target and deficit to reach your weight loss goal safely.
Biological Age Calculator
Estimate your biological age based on sleep, exercise, BMI, and smoking habits.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method from height, waist, and neck measurements.
Caffeine Half-Life Calculator
See how much caffeine is still active at your bedtime and find your ideal daily cutoff time.
Macro Calculator
Calculate your optimal daily protein, carbohydrate, and fat grams based on your calorie goal and body weight.
Steps to Calories Calculator
Convert your daily step count into calories burned and weekly weight-loss potential.
TDEE Calculator
Calculate your Total Daily Energy Expenditure and BMR using the Mifflin-St Jeor formula.
Time & Planning
Screen time, work hours, life milestones & planning
Screen Time Impact Calculator
Work out the real cost of your daily screen habits. Enter your usage and get instant results for weekly time lost and lifetime opportunity cost.
Hours to Decimal Calculator
Convert hours and minutes into decimal hours instantly. Perfect for timesheets, payroll, and billing.
Life in Weeks Calculator
See your life visualised in weeks — how many you have lived and how many remain at average life expectancy.
Everyday Decisions
Percentages, discounts & quick everyday calculators
Discount Calculator
Calculate your final price after any discount — percentage off, fixed amount, or buy-X-get-Y. Add sales tax for the exact checkout total.
Tip Calculator
Calculate how much to tip and split the bill evenly. Enter your bill, tip percentage, and number of people.
Percentage Calculator
Instantly calculate what X% of a number is, the percentage one number is of another, and percentage change.
Grocery Unit Price
Compare the price per unit of two grocery items to instantly find which is the better deal.
Laundry Cost Calculator
Calculate the true cost per laundry load including electricity, water, and detergent.
Sales Tax Calculator
Calculate the sales tax amount and total price for any purchase instantly.
Bill Split Calculator
Split a restaurant bill with tip evenly between any number of people.
Transport
EV vs petrol, fuel costs & commute tools
Commute Time Value Calculator
Calculate the real cost of your daily commute in hours lost and salary equivalent per year.
Car Loan Calculator
Calculate your monthly car payment, total interest, and true cost of any vehicle loan.
Road Trip Cost Calculator
Calculate total fuel cost for any road trip based on distance, your car's MPG, and local gas prices.
EV vs Gas Cost Calculator
Compare the annual fuel cost of an electric vehicle vs a gas car based on your mileage and rates.
Cost Calculators
Find out what things really cost before you spend
What If
Opportunity cost, life choices & what-if scenarios
Personal Injury Case Evaluator
Estimate your personal injury claim value based on injury type, liability, financial losses, and your state. A lawyer-grade case evaluation for educational purposes.
Missed Investment Calculator
See what a past purchase would be worth today if you had invested it instead. Enter the amount, years ago, and expected return.
Subscription Auditor
Add up all your monthly subscriptions and see your annual spend — and what it would be worth if invested.
Latte Factor Calculator
Find out what your daily coffee or snack habit would grow to if invested instead over 10–30 years.