Financial calculators free, no sign-up
Interest, loans, investments and emergency fund.
Loan calculator
Compare SAC and Price: installments, interest and total cost.
Compound interest
See how much an amount earns with interest on interest.
Simple interest
Calculate interest that applies only to the starting amount.
Investing with monthly contributions
Simulate how much you build by saving every month.
Price table
Fixed installments and how the debt evolves month by month.
SAC table
Installments that go down and the balance month by month.
Emergency fund
How much to save and how long it takes to get there.
Revolving interest
See how much a card debt grows when unpaid.
Percentage
What is X% of Y, what percent, and the change.
Ethanol or gasoline
Find out which fuel pays off at the pump prices.
Graham fair price
Fair value of a stock from earnings and book value.
Bazin price ceiling
The maximum price to pay for a dividend stock.
Gordon growth model
Fair price from growing dividends.
Installment interest rate
Find the rate hidden in an installment purchase.
Bank CD (CDB)
Net return of a Brazilian bank CD, after income tax.
Savings account
What the Brazilian savings account earns under the current rule.
First million
How long until you reach your goal.
Passive income
How much capital produces the monthly income you want.
NPV (net present value)
Is this project worth investing in?
Rent or buy
Compare the cost of buying with a mortgage versus renting.
Fixed income comparison
Bank CD, LCI/LCA and savings side by side.
Treasury bonds (Tesouro Direto)
Net return of a bond held to maturity.
Profit margin
Margin and markup from cost and price.
Break-even point
How many units to sell to cover fixed costs.
All your money in one place
Accounts, cards, investments and goals in a single app. These calculators are a gift from JuntaTudo.
- Accounts and cards
- Investments and goals
- Juntin, the AI that puts it all together