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Impostos, margens, juros e ponto de equilíbrio - 26 ferramentas disponíveis
GST / VAT Calculator
Add or remove sales tax from an amount at any rate.
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Profit Margin & Markup
Margin, markup and profit from cost and selling price.
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Break-even Calculator
How many units you must sell to cover fixed costs.
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Simple & Compound Interest
Interest earned over time with chosen compounding.
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Savings Goal Calculator
How long to reach a target by saving every month.
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Tip & Bill Split
Split a bill with tip between any number of people.
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Salary Calculator
Convert a salary between hourly, daily, weekly, monthly and yearly pay using your own working hours.
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Salary Increase Calculator
Work out a raise: new salary, increase amount and percentage, from a percent, a new figure or an amount.
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Income Tax Estimator
Estimate tax from progressive slabs that YOU edit. The slabs shown are placeholders, not any country's law.
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Reverse Sales Tax Calculator
Find the pre-tax price and the tax inside a tax-inclusive total (single or combined rates).
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Mortgage Calculator
Monthly payment, total interest and a full amortization schedule (with optional extra payments). Download the schedule as CSV.
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Loan Comparison Calculator
Compare two or more loans side by side: monthly payment, total interest and total cost including fees.
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Debt Repayment Calculator
Compare the avalanche (highest rate first) and snowball (smallest balance first) payoff plans for several debts.
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Retirement Savings Calculator
Project your savings at retirement from your contributions and an expected return, in future and in today's money.
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Investment Return Calculator
Grow a lump sum with regular contributions at a chosen rate and compounding. See yearly balances and download CSV.
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Dividend Yield Calculator
Dividend yield, yield on cost and yearly dividend income from price, payout and share count.
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Stock Average Price Calculator
Average buy price across several purchases (with fees), profit at a current price, and shares needed to reach a target average.
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CAGR Calculator
Compound annual growth rate from start and end values, or the end value / years needed for a given rate.
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Inflation Calculator
Purchasing power over time using inflation rates or price-index values that YOU enter. No inflation data is built in.
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Electricity Consumption Calculator
Energy use in kWh for each appliance from watts and hours, with cost at your tariff and each appliance's share.
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Electricity Bill Calculator
Estimate a bill from appliance usage or meter units, using your own tariff blocks, fixed charge and tax rate.
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Fuel Cost Calculator
Trip fuel and cost from distance, fuel economy (L/100 km, km/L or mpg) and fuel price, with optional cost split.
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Solar System Sizing Calculator
Rough solar array, battery bank and inverter size from your daily energy use and your local peak sun hours.
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Battery Backup Time Calculator
How long a battery bank runs a load through an inverter - or how big a battery you need for a target runtime.
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Live Currency Converter
Convert currencies with live reference rates from api.frankfurter.dev (loaded only after you agree), or enter your own rate manually.
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Crypto Converter
Convert between popular cryptocurrencies and fiat using prices from api.coingecko.com (loaded only after you agree) or a price you type.
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