Free tools
Free business and finance tools
Use our free calculators and self-assessment tools for percentages, business finance, company investing and compliance. No account is required.
21 tools
- Investing
Average Purchase Price Calculator
Work out the weighted average price across multiple purchases, including optional transaction fees.
- Business finance
Business Loan and Commercial Mortgage Calculator
Calculate repayments, total interest and an amortisation schedule for a business loan or property mortgage.
- Business finance
Cash Runway Calculator
Estimate monthly net burn, how many months of runway remain and the projected zero-cash date.
- Compliance
Cross-Border Compliance Checker
Identify VAT, EORI, OSS/IOSS or EPR topics that may be worth investigating.
- Percentage and tax
Discount Calculator
Calculate a discounted price, the original price before a discount, or the discount percentage applied.
- Investing
Dividend Income Calculator
Estimate gross dividend income from a yield or from a share count and dividend per share.
- Compliance
Does My Company Need an LEI?
Answer a few questions to see whether a broker or financial institution may request an LEI.
- Investing
Drawdown Recovery Calculator
See the gain required to recover from a portfolio decline of a given percentage.
- Investing
Investment Comparison Calculator
Compare two investment scenarios side by side and see which assumptions drive the difference.
- Investing
Investment Fee Impact Calculator
Compare the same investment with and without annual fees to see the long-term cost of charges.
- Investing
Investment Growth Calculator
Project how a company or personal investment could grow from contributions, an assumed return and fees.
- Compliance
ISO Quote Scope Builder
Organise the information a certification or readiness provider may need to prepare a quote.
- Compliance
ISO Readiness Checker
Review the general foundations commonly considered when preparing for ISO certification.
- Business finance
Lease vs Buy Calculator
Compare the nominal and present-value cost of leasing an asset against buying it outright or on finance.
- Business finance
Margin and Markup Calculator
Convert between cost, selling price, gross margin and markup, including target-margin pricing.
- Percentage and tax
Percentage Calculator
Work out a percentage of a value, what percentage one number is of another, and percentage change.
- Investing
Portfolio Rebalancing Calculator
Compare current and target allocations across holdings and see the buys and sells that close the gap.
- Investing
ROI and CAGR Calculator
Calculate total return, ROI percentage and compound annual growth rate between two values.
- Percentage and tax
Sales Tax Calculator
Add sales tax to a pre-tax price or remove it from a tax-inclusive total using your own rate.
- Percentage and tax
VAT Calculator
Add VAT to a net price or remove VAT from a gross price, with editable country rate presets.
About these tools
Every calculator here is free, requires no account and collects no contact details. Calculations run locally in your browser — the figures you enter are not stored or transmitted.
Results depend entirely on the assumptions you enter. Tax rates, investment returns and financing terms vary by product, transaction and jurisdiction, and nothing on these pages is legal, tax, accounting or investment advice.