Credit & Loan Calculators
Calculate monthly payments, principal-interest breakdown, loan refinancing, and payoff savings with crystal-clear charts. The Calconova Credit & Loan Calculators directory brings together 22 verified calculators tailored to United Kingdom statutory regulations and international standards. Every tool runs locally in your browser on our enterprise Decimal.js (IEEE-754) math engine with zero floating-point drift and full formula transparency.
UK Stamp Duty Calculator (SDLT England & Northern Ireland)
Calculate SDLT for standard purchases, First-Time Buyer relief up to £425,000, 5% second home surcharge, and non-UK resident levies for properties in England and Northern Ireland.
Wales LTT Calculator (Land Transaction Tax)
Calculate Welsh Land Transaction Tax (LTT) across main residential brackets (£225k threshold) and higher rates for second properties and holiday homes.
UK Mortgage Repayment & Reversion Shock Calculator
Calculate UK monthly mortgage repayments (capital & interest vs interest-only), stress test against SVR reversion shock, and assess required deposit / LTV.
Personal Loan Calculator
Calculate equal monthly payments and total repayment for personal loans.
Auto Loan Calculator (Universal)
Calculate vehicle loan financing with down payment, interest, and payoff schedule.
Credit Card Installment Calculator
Calculate post-purchase installment fees and interest for credit card transactions.
Loan Refinance Calculator
Calculate your net savings and break-even point when refinancing to a lower interest rate.
Borrowing Capacity Calculator
Calculate your maximum borrowing power based on net income and DTI ratios.
Commercial Real Estate Loan
Calculate commercial mortgage installments for buying offices, retail shops, or business facilities.
Home Mortgage Loan (Universal)
Calculate residential mortgage payments, amortization schedule, down payment, and total interest.
General Loan & Annuity Calculator
Calculate equal installments, amortization breakdown, and total cost for any loan type.
Loan Late Payment Interest
Calculate late fees and statutory default interest for overdue loan installment payments.
Credit Card Late Interest & Fee
Calculate monthly contract and default interest when paying less than minimum credit card payment.
Post-Purchase Transaction Installment
Calculate post-purchase installment fees and monthly payments for credit card transactions.
Installment Cash Advance Calculator
Calculate monthly installments and total financing fee for credit card cash advances.
Annual Percentage Rate (APR)
Calculate the true Annual Percentage Rate (APR) including upfront loan fees and closing costs.
Commercial Vehicle Loan
Calculate financing payments for commercial vans, trucks, and company vehicle fleets.
Business & Working Capital Loan
Calculate working capital loans, monthly installments, and business financing costs for SMEs.
Credit & Loans What You Need to Know
All tools in Calconova are engineered with institutional financial and scientific formulas. The enterprise decimal.js engine is utilized to eliminate floating-point rounding errors typical of standard JavaScript applications.
All calculations execute directly on your local device (Edge/Client-side); none of your data is stored on remote servers, guaranteeing 100% privacy.
All calculations, amortizations, and scenario projections displayed on this page are strictly for informational and educational purposes. Nothing herein constitutes investment, financial, tax, or legal advice. Actual HMRC tax bands, National Insurance contributions, Bank of England base rates, and lender criteria may vary. Calconova explicitly disclaims all liability for any decisions taken based upon these calculations. Consult a qualified financial advisor, CPA, or official HMRC documentation prior to executing financial commitments.