Calcufast

Financial calculators

Calculate take-home pay, taxes, benefits, loans and savings. Choose your country’s rules or a personal finance tool.

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Pick your country to quickly find salary, tax, benefits, credit, travel, and utility calculators.

General

Finance

Mortgage Refinance Calculator

Compare your current mortgage with refinancing options to determine if you can save money

Finance

Debt payoff calculator: timeline and extra payments

See how long debt takes to clear with and without extra payments, and how much interest you save.

Finance

Early Loan Payoff: save ~$829.87 and 9 months

Compare minimum vs extras: defaults $10,000 at 18% × 36 months + $100/mo → ~$829.87 interest and 9 months saved.

Finance

Payback period: $100,000 · $25,000/yr = 4 years (disc. 5.37)

With a $100,000 investment, $25,000 annual cash flow and 10% discount rate you recover in 4 simple years or 5.37 discounted (NPV $53,614 · PI 1.54).

Finance

Sale price with VAT: $70 · 35% = $126.45 final (pre-VAT $112.90)

Calculate a sale price from cost $70, 35% margin, 12% VAT, and 3% fees → final $126.45. Keep tax separate from profit.

Finance

Car Loan: Payment Q3,950.08 (Q150k @ 12%/48 mo)

Calculate your auto loan payment. Defaults Q150,000 at 12% for 48 months → Q3,950.08/mo and interest Q39,603.84.

Finance

Guatemala personal loan: payment and total cost

Estimate monthly payment, origination fee, insurance, total cost, and approximate APR for a personal loan in Guatemala with quetzal examples.

Finance

Loan: $50,000 at 18% → $1,807.62/mo

Quick answer: $50,000 at 18% for 3 years = $1,807.62/mo · $15,074.31 interest · $65,074.31 total (French PMT schedule).

Finance

Monthly Budget Calculator: 50/30/20 Needs, Wants & Savings

Split net income with 50/30/20 or 70/20/10. Example $10,000 → $2,000/month savings ($24,000/year).