Calculators
Quick, reliable answers for the numbers that come up in daily life — your age, your BMI, a discount at the till, interest on savings, a tip to split or a unit you need converted. Every calculator shows the formula and the steps behind its result.
Age Calculator
Calculate exact age in years, months and days.
Age CalculatorBMI Calculator
Calculate body mass index in metric or imperial.
BMI CalculatorPercentage Calculator
Solve five common percentage problems.
Percentage CalculatorInterest Calculator
Calculate simple and compound interest.
Interest CalculatorDate Difference Calculator
Count days, weeks and months between dates.
Date Difference CalculatorUnit Converter
Convert length, weight, temperature and more.
Unit ConverterDiscount Calculator
Work out sale prices and savings.
Discount CalculatorGPA Calculator
Calculate semester and cumulative GPA.
GPA CalculatorTip Calculator
Split the bill and calculate the tip.
Tip CalculatorCurrency Converter
Convert between 18 major currencies.
Currency ConverterFAQ
Yes — all Calculators tools on Piclizer are completely free, with no limits, no watermarks and no account required.
No. Every tool in this category processes your images entirely in your browser. Nothing is sent to a server.
Practical calculators with explained results
Good calculators do more than produce a number: they show the right number for the right question. Percentage direction, credit-weighted GPA, business-day date differences, compound interest schedules — these are the calculations people get wrong mentally precisely because the naive shortcut is wrong.
Each calculator in this category handles one everyday domain properly: ages in years-months-days, BMI against the standard scale, loan and savings growth over time, discounts including stacked offers, tips split across a group, units and currencies, and numbers written out in words for cheques and contracts.
All calculations run locally and instantly — no accounts, no data retention, no rounding surprises. Values are never stored, which is exactly what you want from tools that process salaries, grades and personal measurements.