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46 finance tools

Finance tools

Clear estimates for everyday money decisions.

Available Finance tools

Loan Calculator

Free loan calculator to estimate monthly repayments, total repayment, and interest.

Loan & EMI Calculator

Free loan and EMI calculator to estimate monthly repayments, total interest, total repayment, and an amortisation schedule from your loan amount, interest rate, and term.

Invoice Generator

Free invoice generator to create a clear, printable invoice with editable line items, discounts, tax, and currency labels in your browser.

Compound Interest Calculator

See how an investment can grow with regular contributions.

Savings Calculator

Plan regular savings and see the estimated future balance.

GST/VAT Calculator

Add tax to a price or remove it from an inclusive total.

Mortgage Calculator

Free mortgage calculator to estimate monthly payments for a home purchase or refinance.

Fuel Cost Calculator

Estimate how much fuel a trip will use and what it will cost.

Mortgage Overpayment Calculator

See how extra repayments reduce your interest and shorten your loan term.

Investment Return Calculator

Project the growth of an investment with regular contributions.

Break-Even Calculator

Find how many units you need to sell to cover your costs.

Profit Margin Calculator

Calculate profit or loss, margin percentage, and markup percentage.

Salary to Hourly Calculator

Turn an annual salary into hourly, weekly, and monthly pay.

Debt Payoff Calculator

Estimate how long a balance will take to repay at a fixed payment.

Mortgage Affordability Calculator

Estimate a home price from income, debts, deposit, rate, and term.

Freelance Rate Calculator

Free freelance rate calculator to estimate an hourly and daily rate based on your income goal, expenses, working time, and billable hours.

Simple Interest Calculator

Free simple interest calculator to calculate interest and the total amount from principal, rate, and time.

Savings Goal Calculator

Free savings goal calculator to estimate how long regular contributions may take to reach a target.

Overtime Pay Calculator

Estimate regular pay, overtime pay, and total earnings from hourly work.

Rent vs Buy Calculator

Compare estimated monthly rent with a home payment and ownership costs.

APR Calculator

Estimate annual percentage rate from a loan, fees, payment, and term.

Emergency Fund Calculator

Set an emergency-fund target and see how many months your savings cover.

Budget Allocation Calculator

Turn budget percentages into clear monthly amounts.

Markup vs Margin Calculator

Compare markup, selling price, profit, and profit margin from a cost.

Net Worth Calculator

Add assets and liabilities to estimate your current net worth.

Commission Calculator

Calculate commission earnings from sales, a rate, and optional base pay.

Electricity Cost Calculator

Estimate appliance electricity use and cost from watts, time, and tariff.

Debt-to-Income Calculator

Compare monthly debt payments with gross monthly income.

Meeting Cost Calculator

Estimate the staff time cost of a recurring meeting.

Freelancer Hourly Rate Calculator

Plan a freelance hourly rate from income, costs, and billable time.

Cash Runway Calculator

Estimate how many months available cash can cover net monthly burn.

Profit and Loss Calculator

Summarise revenue, costs, expenses, profit, and margins.

Recurring Payment Cost Calculator

Compare recurring payments as monthly and annual total costs.

Rent Affordability Calculator

Compare rent with a personal income-ratio target.

Shared Expense Splitter

Split group bills and purchases by payer and participant.

Cost Split by Percentage Calculator

Divide a shared cost using custom percentages.

Subscription Plan Comparison

Compare up to three subscription plans using your own costs and billing cycles.

Job Offer Comparison Calculator

Compare two job offers using pay, hours, commute, and benefit assumptions.

Recipe Cost Calculator

Estimate ingredient and per-serving recipe cost from package prices.

Price Per Use Calculator

Estimate an item’s cost for each expected use.

Billable Hours and Project Cost Calculator

Estimate a project total from billable hours, rates, and direct costs.

Trip Cost Calculator

Estimate travel expenses per day and per person.

EV Charging Cost Calculator

Estimate EV charging cost from energy, tariff, and charging loss.

Parking Cost Calculator

Estimate parking charges from block rates and daily caps.

Commute Cost Comparison

Compare driving, EV, and public-transport commute costs.

Appliance Running Cost Comparison

Compare electricity costs for up to three appliances.

Helpful answers

Frequently Asked Questions

Useful details that apply across BiyoTool’s finance tools.

No. Results are mathematical planning estimates based on your entries. A lender, employer, accountant, insurer, or other provider may use different definitions, fees, thresholds, timing, or rules.

No. The calculators use the values you enter and do not retrieve account balances, lender offers, tax settings, or live exchange and market rates.