FREE CALCULATOR DIRECTORY

Your numbers. Clearer decisions.

A practical toolbox for U.S. business owners, operators and households. Compare costs, test scenarios and plan with transparent assumptions.

Browse tools

✓ Browser-based calculations✓ No account needed✓ Clear assumptions

ESTIMATE OVERVIEW

MONTHLY COST$2,840Illustrative scenario

Software

Operations

Marketing

Example visual only — not live data

120Calculator pages

10Categories

0Sign-up steps

24/7Browser access

TOOL LIBRARY

Browse calculators

Use search and category filters to narrow the list.

Personal Finance

Personal Loan Payment Calculator

Estimate fixed monthly payments for a personal loan.

Calculate now ↗Personal Finance

Credit Card Payoff Interest Estimator

Model a fixed-payment loan-style payoff scenario; actual revolving-card rules differ.

Calculate now ↗Personal Finance

Compound Savings Calculator

Project savings growth with recurring monthly deposits.

Calculate now ↗Personal Finance

Simple Interest Calculator

Calculate non-compounding interest on a balance.

Calculate now ↗Personal Finance

Investment ROI Calculator

Estimate return on an investment after entered costs.

Calculate now ↗Personal Finance

Tip Split Calculator

Calculate tip amount and split the bill.

Calculate now ↗Personal Finance

Discount Price Calculator

Find sale price and estimated sales tax.

Calculate now ↗Personal Finance

Percentage Change Calculator

Measure the percentage change between two values.

Calculate now ↗Personal Finance

Sales Tax Calculator

Estimate tax on a taxable purchase.

Calculate now ↗Personal Finance

Unit Price Calculator

Compare cost per item or unit.

Calculate now ↗Personal Finance

Monthly Budget Cash Projection

Project cash balance from monthly inflows and outflows.

Calculate now ↗Personal Finance

Savings Goal Growth Calculator

Estimate how a savings balance may grow toward a goal.

Calculate now ↗Tax & Payroll

Hourly to Annual Salary Calculator

Annualize hourly pay using hours and weeks worked.

Calculate now ↗Tax & Payroll

Overtime Pay Calculator

Estimate regular and overtime gross wages.

Calculate now ↗Tax & Payroll

Sales Tax Rate Calculator

Estimate the total cost after sales tax.

Calculate now ↗Tax & Payroll

Self-Employment Tax Budget Estimator

Build a rough budget for professional and administrative costs; not a tax calculation.

Calculate now ↗Tax & Payroll

Quarterly Tax Payment Budget Planner

Project cash set aside for quarterly obligations.

Calculate now ↗Tax & Payroll

Payroll Cost Calculator

Estimate a business cash-flow scenario for recurring payroll costs.

Calculate now ↗Tax & Payroll

Take-Home Pay Budget Planner

Model monthly cash after entered inflows and outflows; not a tax withholding engine.

Calculate now ↗Tax & Payroll

Annual Bonus Percentage Calculator

Calculate a percentage-based bonus amount.

Calculate now ↗Tax & Payroll

Pay Raise Calculator

Calculate the percentage change in compensation.

Calculate now ↗Tax & Payroll

Contractor Hourly Rate Calculator

Annualize contractor billings before expenses and unpaid time.

Calculate now ↗Tax & Payroll

Late Payment Interest Estimator

Estimate simple interest on an overdue balance.

Calculate now ↗Tax & Payroll

Tax Preparation Budget Calculator

Estimate the cost budget for tax-preparation support and internal time.

Calculate now ↗Real Estate

Mortgage Payment Calculator

Estimate monthly principal, interest, property tax and insurance.

Calculate now ↗Real Estate

Mortgage Principal and Interest Calculator

Estimate fixed principal-and-interest payments.

Calculate now ↗Real Estate

Rental Property Yield Calculator

Estimate gross rental yield and net operating yield.

Calculate now ↗Real Estate

Real Estate Cap Rate Calculator

Estimate cap rate from NOI and property value.

Calculate now ↗Real Estate

Rent vs Buy Comparison Calculator

Compare rent paid with mortgage payments over a chosen period.

Calculate now ↗Real Estate

Property Cash Flow Calculator

Project cash flow from entered monthly amounts.

Calculate now ↗Real Estate

Real Estate ROI Calculator

Estimate investment return after entered costs.

Calculate now ↗Real Estate

Rental Price per Unit Calculator

Calculate cost or rent per unit.

Calculate now ↗Real Estate

Property Repair Payback Calculator

Estimate payback from monthly savings.

Calculate now ↗Real Estate

Commercial Property Loan Calculator

Estimate fixed payments on a commercial loan.

Calculate now ↗Real Estate

Property Appreciation Calculator

Model a hypothetical annual growth rate.

Calculate now ↗Real Estate

Real Estate Operating Budget Calculator

Add property-management labor, advisors and operating costs.

Calculate now ↗Business Finance

Startup Runway Calculator

Estimate how long available cash may last at a given burn rate.

Calculate now ↗Business Finance

Business Break-Even Calculator

Calculate units required to cover fixed costs.

Calculate now ↗Business Finance

Gross Profit Margin Calculator

Calculate gross or operating margin from revenue and costs.

Calculate now ↗Business Finance

Product Markup Calculator

Calculate a target selling price from cost and markup.

Calculate now ↗Business Finance

Monthly Cash Flow Calculator

Project ending cash across a chosen number of months.

Calculate now ↗Business Finance

Business Loan Payment Calculator

Estimate fixed monthly business-loan payments.

Calculate now ↗Business Finance

Business ROI Calculator

Estimate return after additional costs.

Calculate now ↗Business Finance

Depreciation Calculator

Estimate straight-line depreciation per year.

Calculate now ↗Business Finance

Customer Acquisition Cost Calculator

Calculate marketing and sales cost per acquired customer.

Calculate now ↗Business Finance

Business Payback Period Calculator

Estimate simple payback from monthly net savings.

Calculate now ↗Business Finance

Late Invoice Interest Calculator

Estimate simple interest on an overdue invoice.

Calculate now ↗Business Finance

Compliance Cost Budget Planner

Estimate internal and outside-advisor compliance budget inputs.

Calculate now ↗SaaS & Cloud

SaaS Subscription Cost Calculator

Estimate software subscription spend by seats and months.

Calculate now ↗SaaS & Cloud

Cloud Infrastructure Cost Calculator

Add compute, storage, transfer and other cloud costs.

Calculate now ↗SaaS & Cloud

AI API Token Cost Calculator

Estimate API cost from token volume and entered model prices.

Calculate now ↗SaaS & Cloud

Unused SaaS Seat Waste Calculator

Estimate subscription spend that may be associated with unused seats.

Calculate now ↗SaaS & Cloud

SaaS Customer Churn Calculator

Calculate customer churn for a period.

Calculate now ↗SaaS & Cloud

SaaS Lifetime Value Calculator

Estimate simplified gross-profit customer LTV.

Calculate now ↗SaaS & Cloud

SaaS CAC Calculator

Estimate acquisition cost per new customer.

Calculate now ↗SaaS & Cloud

SaaS Payback Period Calculator

Estimate months to recover an upfront investment.

Calculate now ↗SaaS & Cloud

Software ROI Calculator

Estimate software investment return.

Calculate now ↗SaaS & Cloud

SaaS Gross Margin Calculator

Calculate margin from revenue and costs.

Calculate now ↗SaaS & Cloud

Subscription Revenue Projection

Project recurring contributions using a constant assumed rate.

Calculate now ↗SaaS & Cloud

Cloud Cost Growth Modeler

Model hypothetical annual growth in cloud spending.

Calculate now ↗Marketing & Advertising

Ad Revenue Calculator

Estimate advertising revenue from pageviews and RPM.

Calculate now ↗Marketing & Advertising

Page RPM Calculator

Estimate revenue from pageviews and page RPM.

Calculate now ↗Marketing & Advertising

Conversion Rate Calculator

Calculate conversions as a share of visitors.

Calculate now ↗Marketing & Advertising

Return on Ad Spend Calculator

Calculate attributed revenue divided by advertising spend.

Calculate now ↗Marketing & Advertising

Customer Acquisition Cost Calculator

Calculate sales and marketing spend per new customer.

Calculate now ↗Marketing & Advertising

Campaign ROI Calculator

Estimate campaign ROI after additional costs.

Calculate now ↗Marketing & Advertising

Marketing Budget Payback Calculator

Estimate payback from monthly net savings.

Calculate now ↗Marketing & Advertising

Discount Campaign Calculator

Calculate promotional sale price and tax.

Calculate now ↗Marketing & Advertising

Email Conversion Calculator

Calculate conversion rate for email traffic.

Calculate now ↗Marketing & Advertising

Affiliate Commission Calculator

Calculate commission as a percentage of sales.

Calculate now ↗Marketing & Advertising

Lead Value Calculator

Estimate a percentage-based share of lead value.

Calculate now ↗Marketing & Advertising

Ad Spend Budget Planner

Project a budget balance over time.

Calculate now ↗Math & Conversions

Percentage of a Number Calculator

Find a percentage of a number.

Calculate now ↗Math & Conversions

Percentage Increase Calculator

Calculate increase or decrease between two values.

Calculate now ↗Math & Conversions

Average Calculator

Calculate the arithmetic mean of four values.

Calculate now ↗Math & Conversions

Ratio Simplifier

Simplify a ratio between two amounts.

Calculate now ↗Math & Conversions

Unit Cost Calculator

Calculate cost per unit.

Calculate now ↗Math & Conversions

Discount Calculator

Calculate discounted price and estimated tax.

Calculate now ↗Math & Conversions

Sales Tax Calculator

Calculate tax and total purchase amount.

Calculate now ↗Math & Conversions

Tip Calculator

Calculate gratuity and per-person share.

Calculate now ↗Math & Conversions

Simple Interest Calculator

Calculate interest without compounding.

Calculate now ↗Math & Conversions

Compound Growth Calculator

Project growth using a constant assumed annual rate.

Calculate now ↗Math & Conversions

Loan Payment Calculator

Calculate fixed monthly payments.

Calculate now ↗Math & Conversions

Percentage Difference Calculator

Compare values as percentage change from the first value.

Calculate now ↗Energy & Home

Electricity Cost Calculator

Estimate electricity cost from daily kWh use.

Calculate now ↗Energy & Home

Solar Savings Calculator

Estimate annual bill savings and simple payback.

Calculate now ↗Energy & Home

Home Improvement Payback Calculator

Estimate payback from monthly savings.

Calculate now ↗Energy & Home

Home Loan Payment Calculator

Estimate monthly mortgage-related payment components.

Calculate now ↗Energy & Home

Home Budget Projection

Project household cash flow.

Calculate now ↗Energy & Home

Energy Price Change Calculator

Calculate change in energy price.

Calculate now ↗Energy & Home

Appliance Running Cost Calculator

Estimate electricity cost from daily usage.

Calculate now ↗Energy & Home

Solar Project ROI Calculator

Estimate ROI using entered cost and ending value.

Calculate now ↗Energy & Home

Home Repair Cost Budget

Add labor and outside-advisor cost inputs for a project budget.

Calculate now ↗Energy & Home

Heating Cost Comparison Planner

Estimate energy cost at the entered usage and rate.

Calculate now ↗Energy & Home

Monthly Utility Cost Calculator

Project monthly utility cash outflows.

Calculate now ↗Energy & Home

Efficiency Upgrade Payback Calculator

Estimate simple payback from expected monthly savings.

Calculate now ↗Retirement & Investing

Compound Interest Investment Calculator

Project investment growth under an assumed constant rate.

Calculate now ↗Retirement & Investing

Retirement Savings Growth Calculator

Model a starting balance plus monthly contributions.

Calculate now ↗Retirement & Investing

Investment ROI Calculator

Calculate return after additional costs.

Calculate now ↗Retirement & Investing

Simple Interest Investment Calculator

Calculate simple interest on a principal.

Calculate now ↗Retirement & Investing

Portfolio Growth Scenario Calculator

Project hypothetical balance growth.

Calculate now ↗Retirement & Investing

Investment Payback Calculator

Estimate payback from monthly net savings.

Calculate now ↗Retirement & Investing

Monthly Contribution Planner

Estimate the effect of regular monthly contributions.

Calculate now ↗Retirement & Investing

Annual Return Percentage Calculator

Calculate percentage change between two portfolio values.

Calculate now ↗Retirement & Investing

Retirement Budget Projection

Project cash balances using recurring inflows and outflows.

Calculate now ↗Retirement & Investing

Loan vs Investment Payment Calculator

Estimate fixed loan payments for scenario comparison.

Calculate now ↗Retirement & Investing

Investment Fee Impact Budget

Estimate recurring fee spend from a monthly rate and duration.

Calculate now ↗Retirement & Investing

Asset Depreciation Calculator

Estimate straight-line asset depreciation.

Calculate now ↗Compliance & Operations

BOI Compliance Cost Budget Planner

Organize internal labor and advisor cost assumptions; does not determine BOI filing obligations.

Calculate now ↗Compliance & Operations

Business Compliance Budget Calculator

Estimate internal and outside support costs for planning.

Calculate now ↗Compliance & Operations

Regulatory Project Payback Calculator

Estimate payback from monthly net savings.

Calculate now ↗Compliance & Operations

Late Invoice Interest Estimator

Estimate simple interest only; not a statutory penalty calculator.

Calculate now ↗Compliance & Operations

Operating Cash Flow Planner

Project operational cash balance.

Calculate now ↗Compliance & Operations

Compliance Staffing Cost Calculator

Annualize labor costs from hourly rate and working schedule.

Calculate now ↗Compliance & Operations

Compliance Vendor Cost Calculator

Estimate recurring vendor subscription costs.

Calculate now ↗Compliance & Operations

Internal Audit Budget Planner

Add staff time and outside support costs.

Calculate now ↗Compliance & Operations

Document Processing Cost Calculator

Calculate average cost per document or item.

Calculate now ↗Compliance & Operations

Risk Mitigation ROI Calculator

Estimate ROI from an investment and entered costs.

Calculate now ↗Compliance & Operations

Business Continuity Runway Calculator

Estimate cash runway from available funds and monthly burn.

Calculate now ↗Compliance & Operations

Operational Break-Even Calculator

Estimate sales or units needed to cover fixed costs.

Calculate now ↗

Showing the first 12 matches. Search or choose a category to narrow the list.

HOW IT WORKS

Simple inputs. Transparent outputs.

1. Enter your assumptions
Use your own values instead of the examples.

2. Run the calculation
Results update in your browser without an account.

3. Check the limits
Read the formula notes before relying on the estimate.