budgeting Calculators
Last updated: May 2026
Monthly Budget Planner
Calculate your monthly cash surplus or deficit by subtracting fixed and variable expenses from your monthly take-home income.
Emergency Fund Calculator
Calculate the dollar size of your emergency fund target by multiplying your essential monthly expenses by how many months of coverage you want.
Debt-to-Income Ratio Calculator
Calculate your debt-to-income ratio — the percentage of gross monthly income that goes to debt payments — the same way mortgage lenders compute it.
Savings Goal Calculator
Calculate how much you need to save each month to reach a specific savings target by a chosen deadline, given your current balance.
Expense Percentage Calculator
Calculate what percentage of your total income a specific expense category consumes.
50-30-20 Rule Calculator
Split your take-home pay into needs, wants, and savings using the 50/30/20 rule.
Weekly Budget Calculator
Convert a monthly budget into a precise weekly spending limit using the average weeks-per-month factor of 4.33.
Vacation Budget Calculator
Estimate your total trip cost by adding up accommodation, transportation, food, activities, and miscellaneous expenses.
Household Budget Calculator
Find your household's monthly surplus or deficit by subtracting total expenses from combined income.
Paycheck Budget Calculator
Calculate exactly how many dollars from each paycheck go to savings based on your chosen savings rate.
50/30/20 Budget Calculator
Split your after-tax income into needs, wants, and savings using the 50/30/20 rule.
Debt Avalanche vs Snowball Calculator
Compare the debt avalanche and debt snowball strategies side by side to see which saves you more interest and pays off debt faster.
Budget Variance Analyzer
Measure the gap between what you planned to spend and what you actually spent, expressed as a percentage variance.
Expense Ratio Optimizer
Check whether your housing, transportation, and food costs fall within recommended income ratios, and see by how many percentage points each category is out of line.
Income Replacement Calculator
Find out how large an investment portfolio you need to fully replace your salary with passive income by retirement.
Cost Per Use Calculator
Find the real cost of any purchase by spreading its price, maintenance, and resale value over its lifetime uses.
Paycheck Budget Allocator
Split your paycheck into savings, fixed expenses, and discretionary spending using customizable percentages and a priority system.
Financial Stress Score Calculator
Quantify your financial stress level using your debt-to-income ratio, emergency fund coverage, cash flow, and job security.
Debt Snowball Payoff Calculator
Estimate how many months it will take to pay off your total debt using minimum payments plus an extra monthly contribution.
Retirement Catch-Up Calculator
Calculate the exact monthly savings required to reach your retirement goal given your current savings, expected returns, and years remaining.
Rent vs Buy Calculator
Compare the total cost of renting versus buying a home over any time horizon.
College Savings Calculator (529 Plan)
Estimate the monthly savings contribution needed to fund your child's college education through a 529 plan.
Zero-Based Budget Calculator
Allocate every dollar of your monthly take-home income to specific spending categories using the zero-based budgeting method.
Car Affordability Calculator
Calculate the maximum car price you can afford based on your income, existing expenses, insurance costs, and loan terms.
Expense Category Optimizer
Score how much of your total monthly spending is optimizable across discretionary categories like food and entertainment.
Vacation Savings Calculator
Find out exactly how much to save each month to fund your dream trip.
Side Hustle Income Allocator
Allocate your side hustle earnings across taxes, business costs, and personal spending with a single calculation.
Retirement Savings Calculator
Calculate the monthly contribution you need to retire comfortably at your target age.
Rent Affordability Calculator
Find the maximum rent you can comfortably afford based on your gross income, existing debt payments, and utilities.
Budget Variance Analyzer
Measure the percentage gap between what you planned to spend and what you actually spent.
Sinking Fund Calculator
Plan for irregular annual expenses by calculating the monthly contribution needed across car maintenance, home repairs, gifts, and more.
Expense Tracking Analyzer
Estimate potential savings by analyzing your variable spending and subscriptions against a target reduction goal over a chosen time period.
Expense Tracker Analyzer
Check how closely your actual spending aligns with the 50/30/20 or 60/20/20 budgeting rule by comparing your needs, wants, and savings to recommended allocations.
Vacation Savings Planner
Calculate the exact monthly savings needed to fund your next trip, accounting for existing savings, interest growth, and a safety buffer.
College Savings (529) Calculator
Estimate the monthly contribution needed to fully fund four years of college using a 529 plan, factoring in your child's age, education inflation, investment returns, and your current balance.
Car Loan vs Lease Calculator
Compare the true total cost of buying vs.
Side Hustle Income Planner
Estimate your monthly savings from a side hustle after taxes.
Cost of Living Move Calculator
Calculate the extra annual cost and one-time expense of relocating to a new city.
Savings Goal Timeline Calculator
Find out exactly how many months it will take to reach a savings target with compound interest and growing contributions.
Cost of Living Comparison Calculator
Calculate the salary you'd need in a new city to match your current purchasing power.
Retirement Contribution Optimizer
Calculate how much to contribute to your 401(k), IRA, and other retirement accounts each year.
Vacation Budget Planner Calculator
Estimate the total cost of a trip by entering your daily spending, accommodation, transportation, and number of travelers.
House Buying Budget Calculator
Find the maximum home price you can afford based on your income, debts, down payment, interest rate, and property taxes.
Subscription Audit Calculator
Calculate how much your recurring subscriptions actually cost when adjusted for how often you use them.
Streaming Cost Per Hour Calculator
Shows how much each hour of streaming actually costs by dividing a subscription’s monthly price by the hours you watch in a month.