Amended Return Calculator
The Amended Return Calculator estimates revised liabilities, repayments, interest, and penalties after changes to a previously submitted tax return.
Finance
Explore our wide range of finance calculators designed to simplify your financial decisions. From budgeting and loan repayment to savings and investment planning, our tools help you calculate with confidence. Discover how you can make smarter money moves today.
Browse our 248 calculators to solve common problems in Finance — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.
Start with the popular picks below, or jump into the full list for more specific use cases.
Initial Markup Calculator
The Initial Markup Calculator calculates the percentage difference between cost price and selling price to determine initial profit margin on goods.
Accelerated Depreciation Calculator
The Accelerated Depreciation Calculator estimates depreciation using reducing-balance and sum-of-the-years’-digits methods, producing yearly charges and net book values.
First Payment Date Calculator
The First Payment Date Calculator calculates when your initial repayment falls due based on loan start date and terms.
Cost per Item Calculator
The Cost per Item Calculator calculates unit cost from total spend and quantity, factoring VAT, discounts, overheads, wastage, and desired margin.
Carrying Cost Calculator
The Carrying Cost Calculator estimates total inventory holding costs, including capital, storage, insurance, and obsolescence, over a chosen period.
Extra Principal Payment Calculator
The Extra Principal Payment Calculator shows how extra capital repayments reduce mortgage interest, shorten the term, and cut total cost.
3 Times Rent Calculator
The 3 Times Rent Calculator estimates the income required to qualify under the three times rent rule and calculates affordable rent.
Ending Equity Calculator
The Ending Equity Calculator computes period-end shareholders’ equity from opening equity, net income, dividends, capital movements, and adjustments.
Commission Tax Calculator
The Commission Tax Calculator works out income tax and National Insurance contributions due on commission earnings, after personal allowance and thresholds.
Debt Recovery Calculator
The Debt Recovery Calculator calculates likely recoveries, statutory interest, and fees on overdue debts, forecasting timelines and expected net proceeds.
Earnings per Lead Calculator
The Earnings per Lead Calculator calculates average earnings per lead from total revenue and lead count to inform budgeting and forecasting.
Catering Tip Calculator
The Catering Tip Calculator calculates recommended gratuity for catered events, factoring service level, VAT, party size, and invoice total.
Interest Rate Difference Calculator
The Interest Rate Difference Calculator compares two interest rates over time to show cost differences on loans, savings, or investments.
Debt per Capita Calculator
The Debt per Capita Calculator calculates debt per person using total public debt and population, with optional currency and inflation adjustments.
Inflation Rate Difference Calculator
The Inflation Rate Difference Calculator compares inflation rates across periods or regions, helping users understand changes in purchasing power over time.
Gross-Up Paycheck Calculator
The Gross-Up Paycheck Calculator calculates the gross pay needed to provide a target net bonus after PAYE and National Insurance deductions.
Charge-Off Ratio Calculator
The Charge-Off Ratio Calculator computes charge-off ratio using net charge-offs and average loan balances to evaluate credit risk.
Additional Premium Calculator
The Additional Premium Calculator calculates the pro rata additional premium for mid-term policy changes, applying rating factors and Insurance Premium Tax.
Cost of Attendance Calculator
The Cost of Attendance Calculator estimates total annual university costs, including tuition, fees, accommodation, meals, books, transport, and shows expected net price after scholarships.