Donation Calculator
The Donation Calculator calculates Gift Aid uplift and higher-rate tax relief, showing the charity’s gain and your net cost.
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.
The Donation Calculator calculates Gift Aid uplift and higher-rate tax relief, showing the charity’s gain and your net cost.
The Gross Distribution Calculator calculates gross distribution required to achieve a specified net payout after taxes, fees, and withholding taxes.
The Distributor Margin Calculator estimates margins, markups, and net profit per unit based on cost, selling price, and distributor discount.
The Debt Constant Calculator calculates the annual debt service as a percentage of principal from interest rate and amortisation period.
The Debt-Free Date Calculator estimates when you will become debt-free using balances, APRs, payments, and repayment strategy.
The Debt-to-Cash Ratio Calculator calculates the proportion of total debt to available cash, indicating liquidity risk and repayment capacity.
The Cumulative Depreciation Calculator computes accumulated depreciation and book value over time from asset cost, useful life, and depreciation method.
The Cost per Spot Calculator estimates the average cost per spot from campaign spend and spots purchased, aiding budget control and forecasting.
The Agreement Cost Calculator calculates the total cost of an agreement, factoring VAT, interest, indexation, payment schedules, and exit fees.
The 8th Pay Commission Salary Calculator calculates take-home pay, allowances, and arrears under the 8th Pay Commission from grade, level, and location.
The Free Equity Release Calculator estimates the tax-free lump sum available based on your age, property value and typical lender criteria.
The Equity Dilution Calculator estimates shareholder dilution across funding rounds, updating ownership percentages, cap tables, option pools, and post-money valuations.
The Income-Based Rent Calculator helps tenants and advisors work out fair social or affordable rent payments based on household income.
The Gross Premium Calculator calculates the gross insurance premium from net premium plus expense loadings, commission, profit margin, and taxes.
The Deposit Growth Calculator estimates future savings growth using deposit amounts, contribution schedules, interest rates, compounding intervals and term length.
The Investment Value Difference Calculator compares the potential outcomes of different investments by calculating value differences, helping users choose the most advantageous option.
The Cost per Night Calculator calculates the per-night accommodation cost from total spend, nights stayed, and any additional fees.
The Cost per Adjusted Admission Calculator calculates cost per adjusted admission from operating expenses and adjusted admissions for hospital budgeting and benchmarking.
The 10 Percent of Income Calculator works out ten per cent of earnings across pay periods, with options for net, gross, tax, and pensions.
The Cell Tower Lease Buyout Calculator compares the present value of ongoing lease income against buyout offers, accounting for risk, tax, and inflation.