Calculators that just work
Calc Garden is a growing library of focused, fast online calculators for money, life and work. No sign-up, no fluff. New calculators ship weekly.
Browse by category
Money & Finance
View all →UK Salary Take-Home Calculator
Estimate your monthly take-home from a UK gross salary using simplified 2025 tax bands.
Open calculator →Mortgage Repayment Calculator
See your monthly mortgage payment and total interest over the life of the loan.
Open calculator →FIRE Retirement Calculator
Find out when you can retire based on savings, monthly investing and target spend.
Open calculator →Loan Amortization Calculator
Year-by-year breakdown of principal and interest for any fixed-rate loan.
Open calculator →Compound Interest Calculator
See how a lump sum grows over time with compounding using the A=P(1+r/n)^nt formula.
Open calculator →Savings Goal Calculator
Work out how long it takes to reach a savings target from your balance and monthly deposits.
Open calculator →Hourly to Salary Calculator
Convert an hourly wage into annual, monthly and weekly gross pay in seconds.
Open calculator →Inflation Calculator
See the future value of money and cumulative price rise from an inflation rate over time.
Open calculator →Break-Even Calculator
Find the units and revenue needed to cover fixed costs from your price and cost per unit.
Open calculator →Everyday & Shopping
View all →Tip & Bill Split Calculator
Quickly figure the tip, total bill and per-person share for any group.
Open calculator →Percentage Calculator
Find a percentage of any number and see it added on or taken off, for discounts and tips.
Open calculator →Age Calculator
Find your exact age in years, months and days, plus total days and weeks lived.
Open calculator →VAT Calculator
Add VAT to a net price or remove VAT from a gross price at any rate in seconds.
Open calculator →Discount Calculator
Find the sale price and how much you save from an original price and discount percentage.
Open calculator →Fuel Cost Calculator
Estimate the fuel cost of any car journey from distance, mpg and the price per litre.
Open calculator →Electricity Cost Calculator
Work out an appliance's running cost per day, month and year from watts and your kWh rate.
Open calculator →Health & Fitness
View all →Education
View all →More calculators coming weekly
We add new calculators across personal finance, fitness, home and DIY, taxes and small business every week. Got a request? Bookmark the site and check back soon.