Free online calculators
Calculators
Free calculators for everyday math, money, business, dates, salary, freelance planning, and general health estimates.
31 tools available.
Salary to Hourly Calculator
Convert salary to hourly pay or hourly rate to annual salary.
Open tool ->Percentage Calculator
Calculate percentages, ratios, increases, and decreases.
Open tool ->Discount Calculator
Calculate discounts, savings, and final sale prices.
Open tool ->Profit Margin Calculator
Calculate profit, profit margin, and markup.
Open tool ->Loan Calculator
Estimate monthly loan payments and total interest.
Open tool ->Age Calculator
Calculate age in years, months, days, and total days.
Open tool ->Date Difference Calculator
Find the number of days, weeks, and hours between dates.
Open tool ->VAT Calculator
Add VAT or extract VAT from a tax-inclusive amount.
Open tool ->Freelance Hourly Rate Calculator
Estimate a sustainable freelance hourly rate.
Open tool ->Project Price Calculator
Estimate a profitable freelance project price.
Open tool ->Freelance Income Calculator
Estimate freelance revenue, expenses, tax, and take-home income.
Open tool ->BMI Calculator
Calculate body mass index using metric or US units.
Open tool ->BMR Calculator
Estimate basal metabolic rate using the Mifflin-St Jeor equation.
Open tool ->Calorie Calculator
Estimate daily maintenance calories from BMR and activity level.
Open tool ->Tip Calculator
Calculate tip, total bill, and cost per person.
Open tool ->Compound Interest Calculator
Calculate compound growth and total interest.
Open tool ->Simple Interest Calculator
Calculate simple interest and final balance.
Open tool ->Mortgage Calculator
Estimate mortgage principal and monthly principal-and-interest payment.
Open tool ->ROI Calculator
Calculate investment profit and return on investment.
Open tool ->Break-even Calculator
Calculate break-even units and revenue.
Open tool ->Fuel Cost Calculator
Estimate fuel usage and trip cost using metric or US units.
Open tool ->Sales Tax Calculator
Calculate sales tax, tax amount, and final purchase price.
Open tool ->Commission Calculator
Calculate sales commission and total earnings.
Open tool ->Savings Goal Calculator
Estimate the monthly saving needed to reach a financial goal.
Open tool ->Pay Raise Calculator
Calculate salary increase, new pay, and monthly increase.
Open tool ->Time Duration Calculator
Calculate the duration between two clock times.
Open tool ->Speed Calculator
Calculate average speed from distance and travel time.
Open tool ->Pace Calculator
Calculate pace per kilometer or mile from distance and time.
Open tool ->Electricity Cost Calculator
Estimate appliance electricity usage and operating cost.
Open tool ->Mean Median Mode Calculator
Calculate mean, median, mode, minimum, and maximum.
Open tool ->Ratio Calculator
Simplify integer ratios and calculate their decimal relationship.
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