calculatorzone91 tools
Ireland directory
All calculators
91 tools for Ireland, grouped by the job they do. Search if you already know the name; otherwise start from a goal or a journey below.
Start from a goal
Short collections for the decisions people actually type into search — not the internal category map.
Buying a home
What you can borrow, what it costs monthly, and the taxes on top.
3 tools
Growing my savings
Compound growth, ISAs, pensions and long-run returns.
2 tools
Paying off debt
Repayment plans, consolidation maths and time-to-debt-free.
3 tools
Running a business
Margins, VAT, corporation tax and take-home as a director.
2 tools
Health & fitness checks
BMI, calories, heart-rate zones and running pace.
4 tools
Energy and household bills
Rebuild a bill from usage, unit rate and standing charge.
2 tools
Browse a journey
Topic clusters chain the calculators that belong in one sitting — borrow, then tax, then the monthly figure.
Mortgage & property purchase9Borrowing, repayments, deposits, stamp duty and property decisions.Mortgage Affordability · Mortgage · Loan-to-ValueSalary & tax8Take-home pay, income tax, NI, pensions and employment deductions.Hourly to Salary · Hourly Rate · OvertimeSavings & investing8Compound growth, ISAs, inflation and long-run returns.Compound Interest · Savings Growth · SavingsBusiness & freelance6VAT, margins, break-even, corporation tax and employee costs.Profit Margin · Break-Even · MarkupCars & transport4Car finance, running costs, fuel and EV charging.Car Loan · Car Depreciation · EV Charging CostLoans & debt8Personal loans, credit cards and debt payoff planning.Loan Repayment · Personal Loan Cost · Credit Card PayoffEveryday maths4Quick everyday calculations — percentages, dates and conversions.Percentage · Percentage Change · Date DifferenceHealth & wellbeing7Everyday health benchmarks and hydration guidance.BMI · Ideal Weight · Water Intake
91 calculators
Business8
Break Even AnalysisFind the break-even point where revenue covers total costs. Enter fixed costs, variable costs and unit price to see how many sales you need to profit.Break-EvenCalculate units or revenue needed to cover all costs and break even. Enter fixed costs, variable costs per unit and selling price to find your break-even point.Cash FlowCalculate net cash flow by totalling inflows and outflows. Track whether your business or household generates a positive or negative cash position each period.Cost Per UnitCalculate the cost per unit of any product by dividing total costs by quantity produced. Use this to set competitive prices and maintain healthy profit margins.Hourly RateCalculate the minimum hourly rate you need to charge as a freelancer to hit your income goal.Invoice TotalsCalculate invoice totals including subtotal, VAT and discounts applied. Quickly work out what to charge clients and produce accurate figures for your invoices.MarkupCalculate the selling price and profit margin from cost and markup percentage. Find the right markup to hit your target profit on any product.Profit MarginCalculate gross, operating and net profit margins from revenue and cost figures. See how efficiently your business converts sales into profit at each level.
Cars & Transport3
Car DepreciationCalculate how much your car will depreciate over time. See future value and total loss.Car LoanCalculate UK car finance and loan repayments, total interest, and borrowing cost. Compare deposits, APRs, and terms before you apply.EV Charging CostCalculate electric car charging costs per charge, per month and per mile at home or public chargers.
Everyday Maths10
AgeCalculate your exact age in years, months, days and weeks. Enter your date of birth to find out precisely how old you are today.Bill SplitterSplit any bill fairly among friends, family or colleagues. Enter the total amount and number of people to calculate each person's share, including optional tip.Childcare CostCalculate annual and monthly childcare costs after free hours entitlement and Tax-Free Childcare savings.Date DifferenceCalculate the exact difference between two dates in years, months, weeks and days. Find how long until an event or how much time has passed since any past date.Holiday CostCalculate total holiday costs including flights, hotel, and spending money for any number of people.Split BillSplit a restaurant bill equally between any number of people, with or without a tip.Temperature ConverterConvert temperatures between Celsius, Fahrenheit and Kelvin in one click. Accurate temperature conversion for cooking, science, weather and travel planning.Timezone ConverterConvert times between any two time zones worldwide. Find the equivalent local time for meetings, calls or travel across different countries and time zones.Unit ConverterConvert between units of length, weight, volume, speed, area and more. Fast and accurate unit conversion for everyday tasks, cooking, science and engineering.Wedding BudgetPlan your wedding budget with a recommended breakdown by venue, catering, photography and more.
Everyday Maths4
Loan-to-ValueCalculate your loan-to-value ratio by dividing your mortgage by the property value. Use LTV to understand equity, remortgage options and available rates.PercentageCalculate percentages instantly — what percent is X of Y, and percentage of a number.Percentage ChangeCalculate the percentage increase or decrease between two values. Find the percentage change from an original to a new value for finance, grades or statistics.TipCalculate the right tip amount and split the bill evenly among friends. Enter the total and tip percentage to see each person's share.
Health & Fitness9
BMICalculate your Body Mass Index using height and weight to assess whether you are underweight, healthy, overweight or obese using standard BMI classifications.BMRCalculate your Basal Metabolic Rate to find the calories needed at rest each day. Use BMR to set a calorie target for weight loss, maintenance or muscle gain.Body FatEstimate body fat percentage using waist, hip and neck measurements. Understand your body composition and track progress toward your health and fitness goals.CalorieCalculate your daily calorie needs for maintenance, weight loss, or weight gain.Heart Rate ZoneCalculate personalised heart rate training zones using the Karvonen method. Find your fat burn and aerobic zones.Ideal WeightCalculate your ideal weight range based on height and healthy BMI. Find your target weight.Macros SplitCalculate your daily macronutrient split of protein, carbohydrates and fat based on your calorie goal. Plan your diet to support weight loss or muscle gain.Running PaceCalculate running pace per km and per mile from your distance and time. Convert between pace and speed.Water IntakeCalculate your recommended daily water intake based on weight and activity level.
Household & Energy2
Investing & Savings11
AnnuityCalculate annuity payments, present value and future value for fixed income streams. Estimate how much regular income your pension or investment will generate.Compound InterestCalculate how compound interest grows savings or increases debt over time. Enter principal, rate, compounding frequency and term to project your final balance.Dividend YieldCalculate the dividend yield of a stock by dividing the annual dividend by the share price. Assess income potential before investing in dividend-paying shares.Future ValueCalculate the future value of an investment or savings plan with compound interest. Enter the principal, rate, compounding frequency and time to project growth.Index FundProject index fund investment growth with lump sum and regular contributions. See long-term compound returns.Investment ReturnCalculate simple investment profit, total return, and annualised return from a starting value, ending value, and holding period.Irish PensionCalculate your Irish pension contributions, Revenue age-based limits, and tax relief at 20% or 40%. Project your pension pot at retirement using 2024 Revenue rules.Present ValueCalculate the present value of a future cash flow discounted at a given interest rate. Understand what a future sum or annuity stream is worth in today's money.Retirement SavingsCalculate how much you will have at retirement based on your savings and contributions.SavingsCalculate how your savings will grow with regular deposits and compound interest. Enter your balance, monthly contribution and rate to project future savings.Savings GrowthCalculate how your savings grow over time with regular contributions and compound interest. Project your future balance to plan for any savings goal.
Money & Finance22
APR to APYConvert APR to APY to understand the true annual return when interest compounds. See how compounding frequency affects the effective yield on savings or loans.Cost of UniversityEstimate total university costs including tuition, accommodation, and living expenses.Credit Card PayoffCalculate how long it takes to pay off a credit card and see total interest costs.Currency ConverterConvert amounts between major world currencies using current exchange rates. Find the equivalent in any currency for travel, business or international payments.Debt ConsolidationCalculate potential savings from consolidating high-interest debts into a lower-rate loan.Deposit SavingsCalculate how long it will take to save a house deposit based on your monthly savings and interest rate.DiscountCalculate the final price after a percentage or fixed discount. Enter the original price and discount amount to find out exactly how much you save.Early Repayment SavingsCalculate interest saved by making early or overpayments on your mortgage or loan. See how extra payments reduce your balance and shorten your repayment term.Fixed vs Variable MortgageCompare fixed-rate and variable-rate mortgages side by side. See total interest and monthly repayments under each option to choose the right mortgage type.Home AffordabilityCalculate how much house you can afford based on income, deposit and outgoings. Estimate the maximum mortgage and property price that fits your finances.InflationCalculate how inflation erodes purchasing power over time. Enter an amount and time period to see what today's money was worth in the past or future.Interest-Only MortgageEstimate UK interest-only mortgage payments and total interest. See the unchanged capital due at the end and compare a repayment mortgage.Irish Mortgage AffordabilityCalculate how much you can borrow for an Irish mortgage under Central Bank LTI and LTV rules. First-time buyers get 4x income; second buyers 3.5x at 80% LTV.Loan RepaymentEstimate monthly loan repayments and total interest from amount, rate and term. Use your local currency; this is a planning figure, not a credit offer.Mortgage AffordabilityEstimate UK mortgage affordability from household income, monthly expenses, interest rate, and term. Stress-test borrowing before applying.Mortgage AmortizationGenerate a full mortgage amortization schedule showing monthly principal and interest. See how your balance reduces over the entire term of your home loan.MortgageEstimate mortgage repayments, total interest and LTV from loan amount, rate and term. A planning figure — not a lender illustration.Mortgage OverpaymentSee how extra monthly payments or a lump sum cut years and interest off a UK mortgage. Compare overpaying with keeping the cash.OvertimeCalculate overtime pay based on your hourly rate and hours worked beyond your standard week. Find out how much extra you earn for working additional hours.Personal Loan CostLoan Calculator works out the monthly repayment and total interest on a personal loan for Ireland from the amount, APR and term.RefinancingCalculate potential savings from refinancing your mortgage to a lower rate. Compare your current monthly payment and total cost against a new refinancing deal.Simple InterestCalculate simple interest earned or owed on a loan or deposit. Enter the principal, annual interest rate and term in years to find the total interest amount.
Property & Mortgages12
Capital GrowthCalculate the capital growth of a property or investment over a set period. Enter purchase price, annual growth rate and years held to project the future value.Closing CostsEstimate closing costs when buying a property, including legal fees, surveys and stamp duty. Budget for the total upfront cost of completing a home purchase.Help to Buy Calculator (Ireland)Calculate your Help to Buy rebate for a new build in Ireland. See how much tax back you qualify for, your effective deposit, and whether your LTV is eligible.Landlord ProfitCalculate monthly and annual landlord profit after mortgage, agent fees, maintenance and insurance.Lease vs BuyCompare the total cost of leasing versus buying a car or asset. Enter lease terms, purchase price and finance rate to find the most cost-effective option.Mortgage vs RentCompare the total cost of buying with a mortgage versus renting long-term. Factor in house price growth, rent increases and investment returns to decide wisely.Property Flipping ProfitCalculate profit and ROI on property flipping projects including renovation costs.Rent IncreaseCalculate the new monthly rent after a percentage increase and see the extra monthly and annual cost.Rent vs BuyCompare the long-term cost of renting versus buying a home. Enter property price, rent, mortgage rate and duration to see which option suits you best.Rental YieldRental Yield Calculator helps you estimate rental yield and monthly rent for Ireland using Annual Rent (your currency) and Property Value (your currency). Use it to compare scenarios before making a final decision.ROICalculate return on investment as a percentage of your initial outlay. Enter net profit and investment cost to measure efficiency of any business decision.Stamp Duty Calculator (Ireland)Calculate Irish stamp duty on residential and commercial property purchases. Includes the 1%/2% residential rate, 7.5% commercial rate, and bulk purchase surcharge.
Tax10
Capital Acquisitions Tax Calculator (Ireland)Calculate Irish Capital Acquisitions Tax (CAT) on gifts and inheritances. Covers Group A (€335,000), Group B (€32,500), and Group C (€16,250) thresholds at 33%.Capital Gains Tax Calculator (Ireland)Calculate your Irish Capital Gains Tax (CGT) at 33%. Includes the annual €1,270 personal exemption, selling costs, improvement costs, and your net proceeds after tax.Employer Cost Calculator (Ireland)Calculate the true cost of hiring an employee in Ireland including employer PRSI (8.8% or 11.05%), pension contributions, and other benefits using 2024 Revenue rates.Hourly to SalaryConvert an hourly wage to an annual salary or annual pay to an hourly rate. Compare earnings across different pay structures to evaluate job offers accurately.Irish Income TaxCalculate 2026 Irish take-home pay after income tax, USC and PRSI. Supports single and married filers, with personal and PAYE tax credits of €2,000 each.Irish PaycheckCalculate Irish take-home pay per week, fortnight, or month using 2026 Revenue PAYE, USC and PRSI rates, plus optional pension contributions.Overtime PayCalculate overtime earnings with any multiplier — time-and-a-half, double time, and more.Rent Tax Credit Calculator (Ireland)Calculate your Irish Rent Tax Credit for 2022–2024. Single renters claim up to €750; jointly assessed couples up to €1,500. File via myAccount on Revenue.ie.Self-Employed Tax Calculator (Ireland)Calculate Irish self-employed tax: income tax, USC, and Class S PRSI. See your net income, effective rate, and preliminary tax due using 2024 Revenue rates.Universal Social Charge (USC)Calculate your Universal Social Charge (USC) for 2026. Band breakdowns: 0.5%, 2%, 3%, and 8%. Includes medical card holders, over-70s, self-employed surcharge.
Start with a goal
Follow a short sequence when one answer depends on the next.