Business Loan Calculator

What Is a Business Loan?

A business loan is a type of financing provided by banks, online lenders, or other financial institutions that allows companies to borrow money for business purposes. Unlike personal loans, business loans are specifically designed to help a company grow, manage cash flow, or cover operational costs.

Businesses can use loans for:

  • Working capital: covering day-to-day expenses like payroll or rent
  • Expansion: opening new locations, hiring staff, or entering new markets
  • Equipment and assets: purchasing machinery, vehicles, or technology
  • Debt refinancing: consolidating existing loans into one manageable repayment

Repayment usually involves fixed monthly instalments that include both the borrowed amount (principal) and interest. The cost of a business loan depends on the loan amount, interest rate, repayment term, and the creditworthiness of the business.

A well-structured loan can provide the funds a business needs to grow, but it’s important to calculate repayments in advance to ensure the borrowing is affordable that’s exactly where a Business Loan Calculator becomes essential.

Business Loan Calculator UK 2025/26

Business Loan Calculator (2025/26)

How Are Business Loan Repayments Calculated?

Loan repayments are usually based on the amortisation formula, which spreads both principal and interest evenly across the loan term.

Monthly Repayment Formula: 
Monthly repayment = (Loan amount × Monthly interest rate) ÷ (1 – (1 + Monthly interest rate) ^ –Number of months)

Total Repayment: Monthly Repayment × Number of Months

Total Interest Paid: Total Repayment – Loan Amount

What Factors Affect Business Loan Costs?

The cost of a business loan isn’t just about the amount you borrow. Several factors influence how much you’ll end up repaying:

  • Loan Amount: Larger loans mean higher repayments, although interest rates can sometimes be lower on bigger sums.
  • Interest Rate: This is the biggest cost driver, even a small difference in percentage can mean thousands over the loan term.
  • Loan Term: Longer terms reduce monthly repayments but increase total interest paid.
  • Creditworthiness: Lenders assess your credit history, business performance, and financial health before setting a rate.
  • Type of Loan: Secured loans (backed by assets) usually have lower rates than unsecured loans.

Understanding these factors helps you compare different loan offers and choose one that fits your cash flow.

How Can You Reduce the Cost of a Business Loan?

Taking proactive steps can lower the overall cost of borrowing and make loan repayments easier to manage:

  • Improve Your Credit Score: A higher business or personal credit score can unlock better interest rates.
  • Shop Around: Compare offers from banks, online lenders, and credit unions to find the most competitive deal.
  • Offer Security: Providing collateral often reduces risk for lenders and may secure lower rates.
  • Borrow Only What You Need: Over-borrowing increases costs, calculate carefully before applying.
  • Shorten the Loan Term: Paying over fewer years increases monthly repayments but reduces total interest.

By planning ahead, you can make business borrowing more affordable and avoid unnecessary financial strain.

Why Choose Our Business Loan Calculator?

Choosing the right business loan can feel overwhelming, but our calculator makes the process simple by giving you instant, clear results. Instead of complex spreadsheets, you’ll see exactly what your repayments look like and how much the loan will cost over time.

Here’s why our calculator stands out:

  • Simple to use: just enter loan amount, interest rate, and term to get instant results.
  • Clear breakdown: shows monthly repayments, total repayment, and total interest.
  • Accurate formulas: based on standard loan amortisation calculations used by lenders.
  • Updated for 2025/26: reflects current financial planning needs for UK businesses.
  • Mobile-friendly design: works smoothly on desktops, tablets, and mobiles.

By using our calculator, you’ll have the confidence to compare different loan offers, plan repayments, and make smarter financial decisions for your business.

Disclaimer

The results provided by this Business Loan Calculator are for illustrative purposes only and should not be considered financial advice. Actual loan terms, interest rates, and repayment amounts may vary depending on the lender, your credit profile, and the specific conditions of the loan agreement.

We recommend using this calculator as a general guide to understand potential borrowing costs. Before making any financial decisions, please consult with your lender, accountant, or a qualified financial adviser to ensure the loan is suitable for your business needs.

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