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Everyday calculations, made simple
Quick, clear calculators and tools for everyday decisions.
CalculatorsFeatured calculators
Percentage Calculator
Find a percentage of a value, compare two values, or calculate a percentage increase or decrease.
Discount Calculator
Calculate the savings and final price from a list price and discount rate, or work out the actual discount rate from two prices.
Loan Repayment Calculator
Estimate the first payment, total interest, and total repayment for equal-payment, equal-principal, or balloon repayment.
Compound Interest Calculator
Estimate the balance and interest from a principal, annual rate, term, and compounding frequency.
VAT Calculator
Calculate VAT and the total from a pre-tax amount, or split a VAT-inclusive total into its base amount and tax.
Age Calculator
Calculate completed years of age from a birth date and a reference date.
Square Meter to Pyeong Converter
Convert floor area between square meters (㎡) and pyeong, a traditional Korean area unit.