Personal Finance calculators
Budgeting, debt payoff, emergency-fund math, and the day-to-day cash-flow tools we keep current with the latest US/UK/CA tax-relevant rules.
All personal finance tools
72 tools, each runs locally in your browser. Click any card to open it.
Generate a shareable, gamified loud budgeting accountability scorecard. Track your debt paydown and savings milestones…
Unify your recurring monthly subscriptions with hidden Buy Now, Pay Later obligations to reveal your true fixed costs.
Get an algorithmic step-by-step roadmap on exactly which debts to pay down first to qualify for a mortgage.
A 🇩🇪 Abgeltungssteuer-Rechner computes 🇩🇪 abgeltungssteuer-rechner from the inputs you provide.
APR vs APY Calculator is a free loans & debt calculator that gives you a deterministic answer for apr vs apy questions…
APR vs Effective Yield is a free loans & debt calculator that gives you a deterministic answer for apr vs effective yi…
APY Calculator is a free loans & debt calculator that gives you a deterministic answer for apy questions. Runs entirel…
Babysitter Cost Calculator takes height, weight, age, sex, activity and returns the matching babysitter cost result. R…
Brutto-Netto Rechner computes netto pay, Steuer, Sozialabgaben split from brutto salary, tax class, Land, church tax, …
Canada Childcare Expense Deduction takes income, province, RRSP, TFSA contributions and returns the matching canada ch…
2 people sharing 30-mile commute saves $1,000-2,000/yr each.
A Concert & Festival Budget Calculator computes concert & festival budget from the inputs you provide.
9% on profits above AED 375K. Federal Decree-Law 47 of 2022. From 1 June 2023.
Employee + employer contributions and account allocation. 2025.
Lifelong monthly retirement payouts from CPF Retirement Account.
Credit Card Rewards ROI Calculator computes ROI percentage, annualised ROI from initial investment, final value, holdi…
Debt Payoff Calculator (Snowball/Avalanche) computes payoff date, total interest paid from debt balance, rate, monthly…
Debt Snowball / Avalanche Calculator computes payoff date and total interest for each method from list of debts (balan…
Education Loan EMI computes monthly payment, total interest paid from loan amount, interest rate, term. Runs entirely …
Einkommensteuer Calculator computes income tax owed, effective rate from income, deductions, regime, filing status. Ru…
End-of-Service Gratuity computes gratuity payable, taxable portion from last basic salary, years of service, sector. R…
Modern guideline: 1-3 months of net income. Old '3-month rule' was DeBeers marketing.
A 🇩🇪 Erbschaftsteuer-Rechner computes 🇩🇪 erbschaftsteuer-rechner from the inputs you provide.
Expense Ratio Impact takes numbers, ranges, parameters and returns the matching expense ratio impact result. Runs enti…
A 🇩🇪 Familienleistungen - Kindergeld & Elterngeld computes 🇩🇪 familienleistungen - kindergeld & elterngeld from th…
Freelance Hourly Rate Calculator is a free career & income calculator that gives you a deterministic answer for freela…
Two cars × your miles + your gas price = clear winner.
USDA: thrifty $250-450 person/mo · Liberal $450-700 · By age + sex.
Halloween Candy Budget Calculator takes habit, frequency, target and returns the matching halloween candy budget resul…
Affordable: $200/day · Mid-luxury: $400/day · Honeymoon-suite: $800+/day.
A Hourly to Salary Converter converts Hourly into Salary directly in your browser. It parses the source format, applie…
Kids Allowance Calculator takes height, weight, age, sex, activity and returns the matching kids allowance result. Run…
krankenversicherung - gkv vs.
Loan Eligibility Calculator computes monthly payment, total interest paid from loan amount, interest rate, term. Runs …
Mehrwertsteuer (VAT) computes VAT amount, total with VAT, reverse VAT from pre-tax amount, VAT rate. Runs entirely in …
Personal Loan EMI computes monthly payment, total interest paid from loan amount, interest rate, term. Runs entirely i…
RDSP Disability Savings Calculator computes tax free ISA balance from annual contribution, return rate, years. Runs en…
Wie hoch wird Ihre gesetzliche Rente? Berechnung über Entgeltpunkte und aktuellen Rentenwert.
A 🇩🇪 Riester-Rente-Rechner computes 🇩🇪 riester-rente-rechner from the inputs you provide.
Salary Calculator computes net take-home, tax, in-hand monthly from CTC, basic %, HRA %, city, regime. Runs entirely i…
A Salary to Hourly Converter converts Salary into Hourly directly in your browser. It parses the source format, applie…
Buyer's stamp duty for property purchases. 2025 rates.
Singapore GST computes GST amount, total with GST, reverse GST from pre-tax amount, GST rate. Runs entirely in your br…
Singapore Income Tax computes income tax owed, effective rate from income, deductions, regime, filing status. Runs ent…
Singapore Mortgage Calculator computes monthly payment, total interest, amortization from loan amount, rate, term. Run…
Singapore Salary Calculator computes net take-home, tax, in-hand monthly from CTC, basic %, HRA %, city, regime. Runs …
Supplementary Retirement Scheme. Up to SS$1 tax relief, 50% withdrawal taxed at retirement.
Salary raise pushes income into higher bracket → less keep.
Property loan eligibility. 55% TDSR cap, 30% MSR for HDB/EC. MAS stress test 4%.
Tip Calculator computes tip amount, total, per person from bill amount, tip percentage, party size. Runs entirely in y…
Tip Calculator Pro (Split Bill) computes tip amount, total, per person from bill amount, tip percentage, party size. R…
A 🇦🇪 UAE End of Service Benefit computes 🇦🇪 uae end of service benefit from the inputs you provide.
UAE Mortgage Calculator computes monthly payment, total interest, amortization from loan amount, rate, term. Runs enti…
UAE Personal Loan Calculator computes monthly payment, total interest paid from loan amount, interest rate, term. Runs…
A 🇦🇪 UAE Salary Calculator estimates your in-hand monthly pay from your CTC and tax regime.
UAE VAT Calculator computes VAT amount, total with VAT, reverse VAT from pre-tax amount, VAT rate. Runs entirely in yo…
Find a balanced wedding band budget that reflects your income, savings, and metal preference.
WFH saves $5K-15K/yr typical: commute + lunch + clothes + childcare.
UAE Wage Protection System compliance check. Salary breakdown for SIF file generation.
UAE End-of-Service Gratuity Calculator computes gratuity payable, taxable portion from last basic salary, years of ser…
best Indian credit card 2026, HDFC Diners Black, SBI Cashback, Amazon Pay ICICI, lounge access India india credit card…
UAE Golden Visa 2026, AED 2 million investor, Outstanding Talent, 10-year residence Dubai uae golden visa eligibility …
India to Abroad Scholarship + Loan Matcher 2026 computes monthly payment, total interest paid from loan amount, intere…
50/30/20 Budget Rule Calculator is a free budgeting calculator that gives you a deterministic answer for 50/30/20 budg…
After-Tax Cost of Debt Calculator computes after-tax cost of debt percentage from pre-tax interest rate, marginal tax …
Compare the fuel costs of driving a gas car versus an electric vehicle. Calculate annual savings.
Calculate your salary after taxes. Estimate federal, state, and local deductions to find your true net income.
Calculate your take home pay. Input your gross salary to see exactly how much you'll receive per paycheck.
A tax bracket calculator walks your taxable income through the progressive federal (and state) bracket schedule to sho…
Work backwards from a purchase target to the gross salary needed: home, car, rent, iPhone 16 Pro, business class fligh…
Decode any Indian offer letter into real monthly take-home for FY 2025-26. Splits CTC into basic, HRA, employer PF, gr…
Big Mac Index style calculator. Convert any item price into hours of work for the median earner across 8 countries (US…
About personal finance
Personal finance calculators help you answer the everyday money questions that drive long-term outcomes: how much to budget, how fast to pay off debt, how big an emergency fund should be, and where your monthly cash flow actually goes. The tools in this category implement the 50/30/20 budget rule, debt avalanche and snowball math, emergency-fund sizing, credit-card payoff schedules, net-worth tracking, and savings-rate calculations against current US, UK, and Indian rate environments.
Use these calculators when you're picking between paying down a credit card vs investing the spread, deciding how many months of expenses your emergency fund should cover for a single-income household, modeling whether a balance transfer offer beats your current APR, or building a zero-based budget from scratch. Every formula runs in your browser, so the salary, debt balances, and spending numbers you enter never leave your device.
Each tool cites the math (effective APR vs nominal APR, daily compounding rules, Reg Z amortization conventions) and is dated to the last reconciliation pass. We update credit-card APR ranges and savings-account yields quarterly using the CFPB and Bank of England publications, and tax-relevant cash-flow numbers (HSA limits, FSA limits, dependent-care thresholds) annually.
Common use cases
Real scenarios where the personal finance calculators in this category earn their keep.
Building your first emergency fund
Decide whether 3, 6, or 9 months of expenses is the right target based on income stability, dependents, dual vs single income, debt load, and access to other liquidity (HELOC, brokerage margin).
Avalanche vs snowball payoff
Compare paying highest-APR debt first (avalanche, saves the most interest) against smallest-balance first (snowball, better behavioral momentum) for your exact debt mix.
Balance transfer break-even
Model whether a 0% APR balance transfer with a 3% fee actually beats your current rate given how fast you can pay it off before the promo expires.
Zero-based monthly budget
Allocate every dollar of after-tax income across fixed costs, variable spending, sinking funds, and savings. Compare to the 50/30/20 baseline.
Net-worth tracking
Add assets (cash, brokerage, retirement, home equity, vehicles) minus liabilities (mortgage, student loans, cards, auto) to track wealth velocity month over month.
Key terms
Glossary for the formulas and conventions these tools use.
- DTI (Debt-to-Income)
- Monthly debt payments divided by gross monthly income. Lenders typically cap DTI at 36% to 43% for conventional mortgages.
- APR vs APY
- APR is the nominal annual rate, APY includes the effect of compounding. APY > APR whenever interest compounds more than annually.
- Sinking fund
- A savings account dedicated to a predictable future expense (car repairs, annual insurance, holiday spending) so the cost doesn't blow up the monthly budget.
- 50/30/20 rule
- Budget split that allocates 50% of after-tax income to needs, 30% to wants, and 20% to savings and debt payoff above the minimum.
- Debt avalanche
- Payoff method that targets the highest-APR debt first while paying minimums on the rest. Mathematically optimal for total interest paid.
- Debt snowball
- Payoff method that targets the smallest balance first regardless of APR. Costs more interest but builds psychological momentum faster.
- Emergency fund
- Cash reserve (typically 3-6 months of essential expenses) held in a high-yield savings account for unplanned shocks like job loss or major repairs.
Frequently asked questions
Short answers to the most common personal finance questions.