Financial Tools

Calculate loan payments, total interest, and amortization schedule

Calculate your net worth by tracking your assets and liabilities. Get a clear snapshot of your financial health in real time.

Convert between different currencies

Free compound interest calculator with monthly contributions. Calculate investment returns, compare compound frequencies, and visualize your wealth growth over time.

Free dollar-cost averaging (DCA) calculator. Enter periodic contribution amounts and a price history to compute total invested, average cost, final portfolio value, and ROI. Works for stocks, crypto, and funds.

Free retirement calculator. Project your nest egg from current age, savings, monthly contributions, and expected return. See inflation-adjusted retirement income and a year-by-year growth table.

Calculate tips and split bills

Free online VAT calculator. Add VAT to a net price or extract VAT from a gross (tax-inclusive) price. Includes country presets for Thailand, UK, EU and custom VAT rates. Instant, 100% client-side.

Calculate taxes based on income and rates

Calculate discounts and sale prices

Calculate net salary, taxes, and take-home pay

Calculate net salary after Thai Personal Income Tax, Social Security, and Provident Fund deductions. Uses 2024 tax rates.

Calculate return on investment and profitability

Compute the internal rate of return from a series of periodic cash flows, with an NPV cross-check at the solved rate.

Generate a month-by-month loan amortization schedule with principal/interest split, extra-payment analysis, annual summary, and CSV export.

Calculate inflation impact on purchasing power

Validate credit card numbers securely using the Luhn checksum algorithm.

Validate IBAN bank account numbers from 70+ countries.

Calculate your monthly mortgage payment including principal, interest, property tax, home insurance, PMI, and HOA. View the full amortization schedule and total cost of your home loan.

Calculate profit margin, markup, and revenue from cost and selling price. Three modes for retail, e-commerce, and business pricing.

Calculate weekly work hours from clock-in and clock-out times with break deductions and overtime. Free online time card calculator for payroll and timesheets.

Estimate trip fuel cost from distance, vehicle fuel efficiency, and fuel price. Supports metric (km, L/100km) and imperial (miles, MPG) units, and splits costs among passengers.

Calculate Net Present Value (NPV) from an initial investment, discount rate, and yearly cash flows. Free online DCF investment appraisal tool with a year-by-year breakdown and profitability index. 100% client-side.

Calculate the payback period of an investment from an initial outlay and yearly cash flows. Free online tool with simple and discounted payback, a cumulative cash flow table, and a years+months readout. 100% client-side.

Break down any IBAN into its ISO 13616 components: country, check digits, BBAN, bank code, branch, and account number with mod-97 checksum validation.

Calculate advertising Cost Per Mille (CPM) from total cost and impressions, or solve for any variable.

Calculate Click-Through Rate (CTR) from impressions and clicks. Solve for CTR, clicks, or impressions. Free online tool.

Calculate break-even units and revenue from fixed costs, variable cost per unit, and selling price. Includes contribution margin, target-profit units, and profit scenarios. Free online tool.

Calculate website or ad conversion rate from visitors and conversions. Solve for rate, conversions, or visitors.

Calculate a fair co-founder equity split from role, time commitment, cash investment, and idea origin

Calculate your freelance hourly, day, and weekly rate from income goals, expenses, taxes, and billable hours

Calculate how long your startup funding lasts based on cash on hand, monthly burn rate, and recurring revenue.

Free CAGR calculator. Enter initial value, final value, and time period to compute the compound annual growth rate of an investment with total return, absolute growth, and multiple.

Track recurring subscriptions, tally monthly and yearly costs across currencies, and get upcoming billing reminders. All data stays local in your browser.

Free dividend calculator. Enter shares held and dividend per share to compute annual income, monthly income, dividend yield, and project DRIP reinvestment growth. 100% in-browser.

Calculate crypto profit/loss and ROI from buy price, sell price, fees, and quantity.

Free asset allocation calculator. Get a suggested stock, bond, and cash mix by age or risk tolerance with a dollar breakdown and growth projection. 100% in-browser.

Calculate exactly how much to save each month, week, quarter, or year to reach any savings goal, with compound interest and a yearly progress schedule.

Calculate the Annual Percentage Yield (APY) from a nominal interest rate and any compounding frequency, with a full effective-rate comparison table for daily, weekly, monthly, quarterly, and annual compounding.

Compare debt snowball vs avalanche payoff strategies across multiple debts. See payoff dates, total interest paid, and the fastest way to become debt-free. Free online tool.

Compare the true lifetime cost of renting versus buying a home, including mortgage interest, taxes, maintenance, appreciation, and investment opportunity cost.

Calculate gross rental yield, net yield, cap rate, and cash-on-cash return from property price, rent, and expenses

Validate 8- or 11-character SWIFT/BIC codes per ISO 9362 and decode bank, country, location, and branch parts. Runs entirely in your browser.

Estimate your years to financial independence and your FIRE number from annual expenses, savings rate, and current savings using the 4% safe withdrawal rule.

Free online depreciation calculator. Build straight-line, declining-balance, and sum-of-years-digits schedules from cost, salvage value, and useful life, with year-by-year book value tables and CSV export.

Compute overtime pay from hourly rate and hours worked with 1.5x, 2x, and 3x multiplier tiers, Thai labor law presets, and a monthly estimate.

Compare housing, food, transport, and healthcare costs between 66 cities worldwide and find the equivalent salary you need to keep your lifestyle - free, offline, no sign-up.

Calculate Cost Per Click (CPC) from ad spend and clicks, or solve required budget and click volume for PPC campaign planning.

Calculate Return on Ad Spend (ROAS) from revenue and ad spend, with break-even ROAS from your profit margin.

Calculate Customer Lifetime Value (CLV) from average order value, purchase frequency, and customer lifespan, with margin-adjusted CLV, CLV:CAC ratio, and CAC payback.