Calculator Directory
Browse our complete catalog of everyday calculator utilities organized by thematic clusters. Find tools for finances, business, salary conversions, and calendar intervals.
Calculate interest, loans, savings, percentages, profitability and other everyday financial values.
Daily Compound Interest Calculator
Calculate how your money grows over time with daily compound interest compounding.
Compound Interest Calculator
Calculate compound interest growth with customizable compounding intervals.
Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Percentage Difference Calculator
Find the percentage difference between two positive numbers.
Simple Interest Calculator
Calculate simple interest earned or paid over a given period.
Prorated Rent Calculator
Calculate prorated rent for a partial month of tenancy.
Loan Payment Calculator
Calculate monthly payments and total interest for a fixed-rate loan.
Savings Goal Calculator
Find how much you need to save monthly to reach your financial goal.
Evaluate hourly rates, salary conversions, billable hours, contractor status, and salary increases.
Freelance Hourly Rate Calculator
Determine the freelance hourly rate you need to charge based on expenses and target salary.
Hourly to Salary Calculator
Convert an hourly rate to equivalent weekly, monthly, and annual salaries.
Salary to Hourly Calculator
Convert an annual salary to its equivalent hourly wage.
Freelance Day Rate Calculator
Convert an hourly rate to day rate, or calculate day rate needed to hit income targets.
Billable Hours Calculator
Calculate total billing value and effective rate based on total vs billable hours.
Contractor vs Employee Calculator
Compare net earnings between a W2 employee salary and a 1099 contractor rate.
Salary Increase Calculator
Calculate the percentage increase of a raise and your new total salary.
Track margins, markup, break-even points, CAC, LTV, and customer churn metrics.
Profit Margin Calculator
Calculate profit margins, selling prices, markups, and net profit amounts.
Gross Margin Calculator
Find gross margin percentage based on total revenue and cost of goods sold.
Markup Calculator
Calculate selling price, cost, or markup percentage.
SaaS Churn Calculator
Calculate logo churn and revenue churn percentages for subscriptions.
SaaS LTV Calculator
Compute customer Lifetime Value (LTV) for SaaS and subscription businesses.
Customer Acquisition Cost Calculator
Calculate CAC and LTV-to-CAC ratio for marketing efficiency.
Break-Even Calculator
Calculate the unit sales needed to cover fixed and variable business costs.
Find days between dates, calculate differences, analyze timezone overlap, and count durations.
Days Between Dates Calculator
Calculate the total number of calendar days between two dates.
Date Difference Calculator
Calculate the difference between two dates in years, months, and days.
Time Zone Overlap Calculator
Find overlapping business hours between two time zones.
Time Duration Calculator
Calculate the duration between two times in hours and minutes.