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Finance and Business Calculators

23 free toolsChecked against official sourcesUpdated October 2026

Free finance and business calculators for everyday money decisions. Compare savings and compound interest, plan mortgage overpayments and loans, check PCP car finance, measure investments, and price products with markup and profit margin tools. Business owners and marketers will also find calculators for ad spend, conversion rates and customer value.

Quick picks

Not sure where to start? These are the tools people use most in this category.

I want toUse this tool
See how savings growCompound Interest Calculator
Pay off a mortgage fasterMortgage Overpayment Calculator
Check a PCP car dealPCP Calculator
Set a selling priceMarkup Calculator
Work out profit marginProfit Margin Calculator
Compare loan costsLoan Calculator

Savings, pensions and planning

6

Grow, protect and track your money.

Compound Interest CalculatorGrow savings with monthly deposits, year by year.Savings Interest CalculatorInterest earned and tax on savings with AER.Inflation CalculatorWhat money from any year since 1988 is worth today.Salary Sacrifice Pension CalculatorSalary and sacrifice in, tax and NI saved out.Pension Tax Relief CalculatorSalary and pension contribution in, tax relief out.Help to Save Bonus CalculatorHelp to Save bonuses for any saving plan.

Loans, mortgages and credit

5

Borrowing costs, repayments and overpayments.

PCP CalculatorMonthly car finance with balloon payment.Mortgage Overpayment CalculatorInterest and years saved by overpaying.Loan CalculatorMonthly repayments, interest and a yearly schedule.Help to Buy Interest CalculatorHelp to Buy equity loan interest, year by year.Mortgage CalculatorMonthly repayments, total interest, overpayments and a yearly schedule.

Property and housing

7

Buying, renting and letting property.

Florida Doc Stamp Tax CalculatorFlorida doc stamp tax on deeds and mortgages.Tenancy Deposit Cap CalculatorMaximum tenancy deposit a landlord can take.Section 8 Notice Period CalculatorSection 8 notice periods and earliest court date.Right to Buy Discount CalculatorYour Right to Buy discount with 2026 caps.Texas Homestead Exemption CalculatorTexas homestead exemption savings per taxing unit.Germany Property Transfer Tax CalculatorGrunderwerbsteuer for all 16 German states.Netherlands Transfer Tax CalculatorDutch transfer tax and the starter exemption.

Pricing and small business

5

Pricing, cash flow and admin for small firms.

Markup CalculatorSelling price and profit from cost and markup.Profit Margin CalculatorGross profit, margin and markup in one go.Small Claims Court Fee CalculatorCourt fees and interest for a small claim.Delaware Franchise Tax CalculatorDelaware franchise tax by both official methods.California LLC Fee CalculatorCalifornia LLC annual tax and gross receipts fee.

Frequently asked questions

Are these calculators financial advice?

No. They show estimates based on the figures you enter so you can compare options. For personal advice, speak to a regulated financial adviser.

What is the difference between markup and margin?

Markup is profit as a share of cost. Margin is profit as a share of the selling price. A 50% markup gives a 33.3% margin, which is why the two calculators sit side by side.

How does compound interest work?

Interest is added to your balance, so the next round of interest is paid on a larger amount. The compound interest calculator shows the effect year by year.

Do I need to sign up?

No. Every tool is free, needs no account and works on phones, tablets and computers.

How we build and check these tools

Every tool is built by hand by the Tools Veria Editorial Team, tested with worked examples and checked against official guidance. Read our editorial policy to see how we review figures when rules change. Key sources for this category:

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