All Calculators
Browse every free calculator and tool available on ProCalculatorz. Built for users in the US, UK, Canada and Australia.
Business
Receipt Generator
Create professional receipts with business details, items, discount and tax. Print or save as PDF. Free for small businesses in the US, UK, Canada and Australia.
Text Case Converter
Convert text case formats.
Base64 Encoder Decoder
Encode and decode Base64 text directly in your browser.
Markup Calculator
Calculate selling price and markup amount.
Profit Margin Calculator
Calculate profit and profit margin from revenue and cost.
Break-Even Calculator
Calculate the sales volume required to break even.
Construction
Construction Calculator
Free construction calculator for US, UK, Canada & Australia. Estimate building costs from area and cost per square foot. Useful for homeowners and builders.
Plot Area Calculator
Calculate plot area in sq ft, sq m, sq yd, marla, kanal, acre and hectare with ground coverage and total built-up area.
Home Building Area Calculator
Calculate ground coverage, open area and total built-up area.
Property Area Reference
Reference for common land and property area units including marla and kanal.
Construction Cost Calculator
Estimate construction cost with material, labour and other breakdown.
Conversion
Currency Converter
Free currency converter for USD, GBP, CAD and AUD. Convert between US Dollar, British Pound, Canadian Dollar and Australian Dollar with editable rates.
Land Area Converter
Convert square feet, square meters, square yards, marla, kanal, acre and hectare.
Unit Converter
Convert common length, weight, volume and temperature units.
Length Converter
Convert meters, kilometers, miles, feet, inches and centimeters.
Weight Converter
Convert kilograms, grams, pounds, ounces and stones.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
Speed Converter
Convert kilometers per hour, miles per hour and meters per second.
Date & Time
Age Calculator
Free age calculator for US, UK, Canada & Australia. Find your exact age in years, months and days from your date of birth. Simple, fast and mobile-friendly.
Date Calculator
Free date calculator for US, UK, Canada & Australia. Find the difference between two dates and calculate dates by adding or subtracting days, months and years.
Time Calculator
Add hours, minutes and seconds together.
Hours Calculator
Calculate working hours between start and end times.
Days Calculator
Add or subtract days from a date.
Months Calculator
Add or subtract months from a date.
Countdown Calculator
Create a live countdown to a future date and time.
Education
Finance
Salary Calculator
Free salary calculator for US, UK, Canada & Australia. Convert annual income into monthly, biweekly, weekly, daily and hourly pay instantly. Try it now.
Overtime Calculator
Free overtime calculator for US, UK, Canada & Australia. Work out regular pay, overtime pay, overtime rate and total earnings from hourly rate and hours.
Mortgage Calculator
Free mortgage calculator for US, UK, Canada & Australia. Estimate monthly payments, total interest and total loan cost. Ideal for first-time home buyers.
EMI Calculator
Free EMI calculator for US, UK, Canada & Australia. Work out monthly installments, total interest and total repayment for a fixed-rate loan. Instant results.
Interest Calculator
Calculate compound interest and final investment value.
Retirement Calculator
Estimate a retirement corpus from savings and contributions.
Inflation Calculator
Estimate future cost and purchasing power after inflation.
Health
Math
Basic Calculator
Free online basic calculator for addition, subtraction, multiplication and division. Simple, fast and mobile-friendly for users in the US, UK, Canada and Australia.
Percentage Calculator
Free percentage calculator for US, UK, Canada & Australia. Find percentages, percentage increase, decrease and percent of a number instantly. No signup required.
Average Calculator
Calculate the arithmetic mean of a list of numbers.
Random Number Generator
Generate random numbers between a minimum and maximum.
Money
Tip Calculator
Free tip calculator for US, UK, Canada & Australia. Work out restaurant tips, total bill and per-person payment. Perfect for dining out with friends and family.
Discount Calculator
Free discount calculator for US, UK, Canada & Australia. Find the sale price, discount amount and final price from an original price and discount percentage.
VAT Calculator
Free VAT calculator for UK and international businesses. Add VAT to a net price or remove VAT from a VAT-inclusive amount using the percentage you enter.
GST Calculator
Free GST calculator for Australia, Canada and international businesses. Add GST to a net price or remove GST from a GST-inclusive amount instantly.
Fuel Cost Calculator
Estimate fuel consumption and trip fuel cost.