All Free Calculators

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.

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.

Mortgage Payment Calculator

Calculate your monthly mortgage payment with principal, interest, taxes, and insurance using live benchmark rates.

Home Loan Calculator

Estimate monthly home loan repayments and total interest over the term of your mortgage.

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 Calculator

Assess your burnout risk based on workload, recovery, and stress factors.

Job Offer Comparison Calculator

Compare two job offers on pay, benefits, commute, and total value.

WFH Savings Calculator

Calculate how much you save each year by working from home.

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.

Appliance Energy Cost Calculator

Work out the running cost of any household appliance per year.

EV Charging Cost Calculator

Calculate the cost to charge your electric vehicle at home or in public.

Heating Cost Calculator

Estimate your home heating costs for gas, electric, oil, or propane.

Solar ROI Calculator

Calculate the payback period and return on a residential solar panel system.

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.

Latte Factor Calculator

See what a small daily habit would be worth if you invested it instead.

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.

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.

Age Calculator

Calculate your exact age in years, months, weeks, and days from your date of birth.

Date Calculator

Add or subtract days, weeks, months, or years from any date to find a future or past date.

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.

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.

Car Payment Calculator

Calculate your monthly car payment, total interest, and the true cost of financing a vehicle.

GPA Calculator

Calculate your GPA and the grades you need to hit a target.

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.

Flooring Cost Calculator

Estimate flooring costs for any room including materials and labour.

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.

Airbnb Profit Calculator

Estimate the profit from a short-term rental after costs and occupancy.

Gambling Loss Calculator

Add up gambling losses and see the index-fund opportunity cost.