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Money Over Time
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$300,000 at 6.5% for 30 years
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Loan Calculator
Finance
Mortgage Calculator
Estimate a US-style monthly mortgage payment with principal and interest, property tax, home insurance, PMI and HOA shown separately for a clearer house-buying budget.
Finance & Money
Loan Calculator
Calculate an estimated fixed loan payment from amount, APR, term and optional upfront/down-payment adjustments, with total interest, payoff total, scenario comparison and a printable loan quote record.
Money
Auto Loan Calculator
Estimate a car loan payment from vehicle price, down payment, trade-in, sales tax, fees, interest rate and loan term.
Finance
Simple Interest Calculator
Calculate simple interest, total repayment and effective yearly interest from principal, rate and time.
Money
Compound Interest Calculator
Project compound growth from a starting balance, regular contributions, interest rate, compounding frequency and time horizon.
Money
Present Value Calculator
Discount a future amount back to today using an annual rate, time horizon and compounding frequency.
Finance
Future Value Calculator
Project what a starting amount and regular deposits could be worth in the future using an annual rate and compounding frequency.
Finance
ROI Calculator
Calculate return on investment from amount invested, final value, extra costs and optional time held, with a printable investment comparison record.
Finance
Debt Payoff Calculator
Estimate how long it will take to pay off a debt from balance, APR and monthly payment, with optional extra payment and fee fields kept visible.
Finance & Household Budgeting
Debt-to-Income Ratio Calculator
Calculate front-end and back-end debt-to-income ratios from monthly income, housing cost and recurring debt payments for mortgage, rental, refinance and budget-prep records.
Finance & Household Budgeting
Budget Calculator
Build a monthly budget from income, housing, bills, debt, savings and everyday spending, with surplus/shortfall, savings-rate and printable household budget worksheet outputs.
Time, Work & Payroll
Salary Calculator
Convert annual salary into monthly, biweekly, weekly, daily and hourly gross equivalents, with paid-week and weekly-hour assumptions, unpaid-hours comparison and a printable job-offer or pay-review worksheet.
Work & Payroll
Commission Calculator
Calculate sales commission from sale amount, commission rate, base pay and returns or chargebacks.
Math & Percentages
Discount Calculator
Calculate sale price, discount amount and optional tax from an original price and discount percentage, with a printable sale-tag, coupon or quote check.
Finance & Everyday Money
Sales Tax Calculator
Calculate sales tax, discount, shipping and final checkout total from a subtotal and tax rate, with the tax amount kept separate for receipts, quotes and classroom examples.
Finance & Australia
GST Calculator
Add or remove Australian 10% GST from a price and show the exclusive amount, GST component and inclusive total.
Finance & Household Budgeting
Inflation Calculator
Estimate how inflation changes purchasing power, future cost and real value over time from an amount, annual inflation rate and number of years, with a printable budget or classroom record.
Finance & Money
Lease Amortization Calculator
Estimate a lease liability, right-of-use asset basis and first-period amortization from fixed payments, discount rate, term, payments already made and initial direct costs.
Work & Payroll
Business Days Calculator
Count weekday business days between two dates, with optional start-date and end-date inclusion controls.
Money
Amortization Calculator
Build a fixed-rate loan amortization check with monthly payment, balance after a chosen payment, interest paid and extra-payment impact.
Finance Basics
APY Calculator
Calculate annual percentage yield from a stated interest rate and compounding frequency, with ending balance, earned interest and a printable savings comparison record.
Work & Payroll
Billable Hours Calculator
Estimate weekly, monthly and annual billable capacity after non-billable work, leave weeks and utilisation limits, with a printable capacity and revenue record.
Work, Payroll & Time
Biweekly Pay Calculator
Calculate gross biweekly pay from hourly rate, regular hours, overtime hours and optional pretax deductions, with clear pay-period assumptions and a printable payroll worksheet.
Business
Break-Even Calculator
Find the sales volume and revenue needed to cover fixed costs, variable costs and optional target profit.
Finance
Budget Split Calculator
Split monthly income into needs, wants, savings and debt payments, then print a simple budget record.
Finance & Business
CAGR Calculator
Calculate compound annual growth rate from a starting value, ending value and time period, with growth-multiple, annualised return, scenario comparison and a printable investment or business-growth record.
Finance Basics
CD Calculator
Calculate certificate of deposit growth from opening deposit, APY and term length, with ending balance, interest earned, early-withdrawal note and a printable bank-offer comparison record.
Money Education
Compound Growth Calculator
Project repeated percentage growth from a starting value and turn the full compounding path into a visible period-by-period story.
Trade & Construction
Contractor Markup & Margin Calculator
Convert cost, markup and margin into a contractor selling price and gross profit.
Work & Payroll
Double Time Calculator
Calculate double-time pay from regular hours, double-time hours, base hourly rate and optional extra gross pay, with a printable payroll record.
Money Education
Drawdown Recovery Calculator
Calculate the percentage gain and number of growth periods needed to recover from a drawdown.
HR & Business
Employee True Cost (Oncost) Calculator
Estimate total employee cost from salary, superannuation, payroll tax, leave loading and workers compensation.
HR & Business · Australia
Employee True Cost (Oncost) Calculator — Australia
Calculate the total annual cost of employing someone in Australia including superannuation, leave loading, workers compensation and payroll tax. Shows total oncost percentage above salary.
Home, Trade & Construction
Excavation Calculator
Estimate excavation volume from length, width and depth, with cubic yards, cubic metres, loose spoil, truckload checks, cost estimate and a printable dig or quote note.
Business
Freelance Rate Calculator
Work backwards from target income, expenses, taxes, unpaid time and billable hours to estimate a sustainable freelance hourly rate.
Business
Freelancer Hourly Rate Calculator
Calculate a recommended freelance hourly rate from target income, billable weeks, hours, overhead and profit buffer.
Finance & Everyday
Fuel Cost Calculator
Estimate trip fuel cost from distance, fuel economy, fuel price and optional tolls or parking, with litres and gallons shown clearly.
Business
Gross Margin Calculator
Calculate gross margin from revenue and cost of goods sold, with gross profit, cost ratio, markup cross-check, scenario rows and a printable margin record.
Work & Payroll
Gross Pay Calculator
Calculate hourly gross pay from regular hours, overtime hours, hourly rate, overtime multiplier and any one-time bonus before deductions, with regular pay, overtime pay, effective rate and a printable payroll arithmetic record.
Home & Energy
Heat Pump ROI Calculator
Estimate heat pump payback by comparing current annual heating cost with heat pump running cost and installed cost.
Education & Australia
HECS / HELP Repayment Calculator
Estimate compulsory Australian HECS/HELP repayment from repayment income using 2024-25 threshold bands.
Education · Australia
HECS HELP Repayment Calculator 2024-25
Estimate your compulsory HECS-HELP repayment for 2024-25 using current ATO income thresholds and repayment rates. Shows annual, fortnightly and weekly repayment amounts.
Work & Payroll
Hourly Paycheck Calculator
Estimate an hourly paycheck from regular hours, overtime hours, hourly rate, pre-tax deductions and estimated withholding, with gross pay, taxable pay, take-home estimate and a printable paycheck worksheet.
Work & Payroll
Hourly Rate Calculator
Convert annual salary or project fees into transparent hourly rates using entered work hours.
Work & Payroll
Hourly to Salary Calculator
Convert hourly pay into weekly, monthly and annual gross salary equivalents using visible hours and paid-week assumptions.
Time, Work & Payroll
Hours Between Times Calculator
Calculate hours between two clock times, including overnight spans, unpaid breaks, decimal-hour output, rounded hours, gross-value notes and a printable shift, appointment, classroom or job-time record.
Finance & Capital Markets
IPO Lock-up Expiry Calculator
Calculate the expiry date of an IPO lock-up period and show common 90, 180 and 270 day windows.
Money
Loan Payment Calculator
Estimate the monthly payment, total repayment and interest cost for a fixed-rate amortising loan.
Finance & Business
Margin Calculator
Calculate gross margin, gross profit, markup percentage and target-price checks from selling price, cost, quantity and optional discount, with a printable pricing record.
Business
Margin Markup Calculator
Convert cost, markup and profit margin into selling price, gross profit and the difference between markup and margin.
Finance & Business
Markup Calculator
Calculate selling price, markup amount, markup percentage and gross margin from cost, target markup and optional quantity, with a printable pricing note.
Finance
Mortgage Payment Calculator
Estimate a monthly principal-and-interest mortgage payment from loan amount, interest rate and term, with optional tax and insurance fields.
Work & Payroll
Overtime Calculator
Split one shift into regular time and overtime, deduct unpaid breaks, and estimate gross pay from a base rate and overtime multiplier.
Work & Payroll
Pay Raise Calculator
Calculate a pay raise from current salary or hourly pay, with new pay, annual difference, percentage increase and optional bonus comparison.
Finance & Money
Payment / Interest Equivalent Calculator
Compare the same loan across payment, rate and term scenarios to see what monthly payment, total interest and equivalent APR imply.
Work & Payroll
Payroll Time Card Calculator
Enter start and finish times across the work week, subtract unpaid breaks, split regular and overtime hours, and estimate gross pay for planning.
Money Education
Penny Doubling Calculator
Turn the classic penny-doubling puzzle into a visible exponential-growth story with milestones, final jump and complete period timeline.
Business
Profit Margin Calculator
Calculate gross profit, profit margin percentage and markup from cost and selling price, with discounts and extra costs kept visible.
Work & Payroll
Prorated Salary Calculator
Calculate prorated gross salary for a partial year, pay period or contract using annual salary, paid days and optional unpaid leave.
Trades
Quote Profit Calculator
Check quoted job revenue against materials, labour, overhead, contingency and tax before sending a price.
Finance
Refinance Calculator
Compare an existing loan with a refinance offer using payment, monthly saving, closing costs and break-even month.
Finance & Money
Refinance Radar
Compare your current loan with a refinance offer to see monthly saving, upfront switching costs, break-even month and estimated interest saved.
Work & Payroll
Salary to Hourly Calculator
Convert annual salary into an hourly rate, weekly pay and monthly pay using visible work-hour assumptions.
Finance
Savings Goal Calculator
Calculate the monthly saving needed to reach a future goal, with current savings, interest and timeframe shown separately.
Home & Energy
Solar Panel Payback Calculator
Estimate solar payback from system size, upfront cost, electricity tariff, feed-in tariff and household usage.
Real Estate & Australia
Stamp Duty Calculator - All States
Estimate Australian residential stamp duty for selected states and buyer types using visible sliding-scale rules.
Real Estate · Australia
Stamp Duty Calculator — All Australian States
Calculate stamp duty for property purchases in NSW, VIC, QLD, WA and SA with first home buyer concessions and effective rate. Shows total purchase cost including duty.
Finance & Education
Student Loan Repayment Calculator
Estimate student loan monthly repayment, total interest and payoff timing from balance, annual rate, term and extra payment.
Work & Payroll
Time and a Half Calculator
Calculate time-and-a-half pay from regular hours, time-and-a-half hours, base hourly rate and optional extra pay, with the formula and printable payroll note kept visible.
Time, Work & Payroll
Time Card Calculator
Total a weekly time card from daily hours, unpaid breaks, overtime threshold and hourly rate, with regular/overtime split, gross-pay estimate and a printable work record for payroll prep, invoices and classroom examples.
Work Hours & Payroll
Time Clock Calculator
Calculate clock-in to clock-out hours, unpaid breaks, rounded payable time and a simple gross-pay estimate with a printable time clock record.
Work Hours & Payroll
Timesheet Calculator
Total weekly timesheet hours, unpaid breaks, overtime split and gross pay from daily hour entries, with a printable work-time record for payroll checks, invoices and job notes.
Percentage & Money
Tip Calculator
Calculate a restaurant tip, final bill total and per-person split from the bill amount, tip percentage, tax and party size.
Business
VAT / GST Calculator
Add tax to a net price, remove tax from a gross price, and show the tax amount clearly for receipts, quotes and classroom checks.
Events & Weddings
Wedding Budget Calculator
Build a wedding budget from guests, catering, venue, photography, music, flowers, other costs and contingency.