Finance Tools
Free financial calculators for VAT across 30+ countries, profit margins, compound interest projections, loan amortization, and salary conversions. Accurate results using standard financial formulas.
Whether you are adding VAT to an international invoice, projecting how savings grow over 10 years, or comparing loan terms for a major purchase, these calculators give you instant, accurate answers. The VAT calculator covers 30+ countries with auto-detection, the compound growth calculator models realistic investment scenarios, and the loan calculator generates full amortization schedules. Every calculation stays in your browser — your financial data is never transmitted anywhere.
VAT / GST Calculator
Add or remove VAT & GST for 30+ countries
FinanceProfit Margin Calculator
Calculate profit margin, markup, and gross profit instantly.
FinanceCompound Growth Calculator
Calculate compound interest and investment growth over time.
FinanceFreelance Income Calculator AI
Convert hourly rates to monthly/annual income with tax estimates.
FinanceLoan/Mortgage Calculator
Calculate monthly payments, total interest, and amortization schedules.
FinanceSalary/Hourly Converter
Convert between annual salary, monthly, weekly, daily, and hourly pay.
FinanceHourly Paycheck & Overtime Calculator
Calculate gross and net pay with overtime, taxes, and deductions.
FinanceVAT Invoice Line Calculator
Calculate VAT per invoice line item with subtotals and grand total.
FinancePercentage Calculator
Calculate percentages instantly — find X% of Y, what % X is of Y, or the % change between two values.
FinanceTip Calculator & Bill Splitter
Calculate tip amounts and split the bill evenly between any number of people.
FinanceSavings Goal Calculator
Plan how to reach your savings goal with projections.
FinanceFrequently Asked Questions
- Are these financial calculators accurate?
- Yes. All calculators use standard financial formulas (amortization formula for loans, compound interest for growth, margin vs. markup for pricing). They are suitable for planning, quoting, and everyday financial decisions. For binding tax or legal decisions, always verify with a qualified professional.
- Which countries does the VAT calculator support?
- Over 30 countries including South Africa (15%), United Kingdom (20%), Germany (19%), France (20%), Australia (10% GST), India (18% GST), Canada (5% GST), Japan (10%), and most EU member states. Each country uses its correct standard rate.
- Is my financial data stored anywhere?
- No. Every calculation runs entirely in your browser. Your numbers, amounts, and scenarios are never sent to a server, stored in a database, or visible to anyone.
- Can I compare different financial scenarios?
- Yes. The compound growth calculator and loan calculator both support scenario comparison — adjust rates, terms, and contributions to see how different choices affect the outcome.
Related Guides
View allHow to Handle VAT and GST on International Invoices
A practical walkthrough of VAT and GST calculations for freelancers and small businesses dealing with international clients. Covers when to charge, how to calculate, and what rates apply across 30+ countries.
Salary vs Hourly: How to Compare Job Offers and Set Your Rate
A practical guide to converting between salary and hourly pay, comparing job offers that use different pay structures, and setting freelance rates that match your income goals.
Everyday Calculations: Tips, Paychecks, Compound Growth, and Time Across the Globe
A practical guide to using browser-based calculators for everyday financial math, compound growth projections, and time-zone coordination — covering tips, paychecks, VAT, percentages, unit conversion, age, work days, and world clocks.
How to Calculate VAT in South Africa: The Complete 2026 Guide
Everything you need to know about calculating VAT in South Africa — from adding 15% to a quote to removing VAT from a receipt, with practical examples and SARS compliance basics.
When to Use These Calculators
Financial calculations come up across many professional situations — invoicing a client and needing to add the correct VAT, comparing two loan offers by total interest cost, forecasting how a monthly savings contribution grows over 10 years, or converting a freelance hourly rate to an annual salary equivalent.
These calculators give you precise answers using standard financial formulas (amortization, compound interest, margin vs. markup) without building a spreadsheet or downloading software. The VAT calculator alone supports 30+ countries, automatically detecting your region and applying the correct rate.
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