A sales tax calculator helps you quickly determine the true cost of a purchase before you buy. Sales tax rates vary significantly by state and even by city — from 0% in states like Oregon and Montana to over 10% in some California and Tennessee localities. Knowing the exact tax amount in advance helps with budgeting, expense reporting, and business pricing decisions.
To use this calculator, enter the pre-tax price of the item or service and the applicable tax rate for your location. The calculator instantly displays the tax amount and the total price including tax. For business owners, this tool is also useful for setting retail prices that result in clean totals after tax is applied.
Frequently Asked Questions
What is the average sales tax rate in the United States?
The average combined state and local sales tax rate in the US is approximately 7.12%. State rates range from 0% (Oregon, Montana, New Hampshire, Delaware, Alaska) to 7.25% base rate in California, with local taxes often adding more on top.
Is sales tax calculated before or after discounts?
In most states, sales tax is calculated on the final discounted price after coupons or promotions are applied, not the original price. However, rules vary by state, so check your local tax authority for specifics.
Do I pay sales tax on services?
It depends on the state. Most states tax tangible goods but not services. However, some states like Hawaii and New Mexico tax most services, while others only tax specific services like repairs or telecommunications.
Understanding the difference between simple and compound interest is one of the most important concepts in personal finance. Simple interest is calculated only on the original principal — making it straightforward and predictable. Compound interest, by contrast, is calculated on both the principal and the accumulated interest, which means your money grows at an accelerating rate over time.
For savings and investments, compound interest works in your favor — the more frequently it compounds (daily vs. annually), the faster your balance grows. For loans and debt, compound interest works against you for the same reason. Use this calculator to compare scenarios and understand exactly how much interest you will earn or owe over time. The year-by-year breakdown makes it easy to see how your balance changes at each stage.
Frequently Asked Questions
What is the difference between simple and compound interest?
Simple interest is calculated only on the original principal. Compound interest is calculated on the principal plus any interest already earned. Over time, compound interest results in significantly higher returns on savings — or significantly higher costs on debt.
How often does compound interest compound?
Compounding frequency varies by account or loan. Common options include daily, monthly, quarterly, semi-annually, and annually. The more frequently interest compounds, the faster the balance grows. Most savings accounts compound daily or monthly.
What is the Rule of 72?
The Rule of 72 is a quick mental math shortcut: divide 72 by the annual interest rate to estimate how many years it takes for an investment to double. For example, at 6% annual return, your money doubles in approximately 12 years (72 ÷ 6 = 12).
A mortgage calculator is an essential tool for anyone considering buying a home. It helps you estimate your monthly payment based on the home price, down payment, interest rate, and loan term before you ever speak with a lender. Understanding your payment ahead of time allows you to set a realistic budget, compare loan options, and negotiate with confidence.
The amortization table below the results shows exactly how each monthly payment is split between principal and interest. In the early years of a mortgage, the majority of your payment goes toward interest — not principal. Over time, that ratio shifts. For example, on a $300,000 home with a $60,000 down payment at 7% over 30 years, your monthly payment would be approximately $1,596. Over the life of the loan you would pay roughly $334,000 in interest on top of the $240,000 principal.
Frequently Asked Questions
How much should I put down on a house?
A 20% down payment is the traditional benchmark — it eliminates the need for private mortgage insurance (PMI) and results in a lower monthly payment. However, many loan programs allow down payments as low as 3–5%. The right amount depends on your savings, local market conditions, and how long you plan to stay in the home.
Should I choose a 15-year or 30-year mortgage?
A 15-year mortgage has higher monthly payments but significantly lower total interest paid and a lower interest rate. A 30-year mortgage has lower monthly payments but costs substantially more over the life of the loan. If you can comfortably afford the higher payment, a 15-year mortgage builds equity much faster.
What is PMI and when is it required?
Private Mortgage Insurance (PMI) is required by most lenders when your down payment is less than 20% of the home price. It protects the lender — not you — in case of default. PMI typically costs 0.5–1.5% of the loan amount per year and can be removed once you reach 20% equity.
A loan calculator helps you understand the true cost of borrowing before you sign. Whether you are financing a car, consolidating debt, or taking out a personal loan, knowing your monthly payment and total interest cost gives you the information you need to make a smart decision. Even a small difference in interest rate can translate to hundreds or thousands of dollars over the life of a loan.
To use this calculator, enter the loan amount, annual interest rate, and repayment term. The calculator shows your monthly payment, total interest paid, and total repayment amount. For auto loans, a typical term is 48–72 months. For personal loans, 24–60 months is common. Always compare multiple lenders before accepting a loan offer — rates can vary significantly.
Frequently Asked Questions
What is a good interest rate for a personal loan?
Personal loan rates typically range from 6% to 36% depending on your credit score, income, and lender. Borrowers with excellent credit (720+) can often qualify for rates under 10%. Rates above 20% are generally considered high and worth shopping around to improve.
Is it better to take a shorter or longer loan term?
A shorter term means higher monthly payments but less total interest paid. A longer term lowers your monthly payment but increases the total cost of the loan. Choose the shortest term you can comfortably afford to minimize total interest paid.
Can I pay off a loan early?
Most personal and auto loans allow early payoff without penalty, saving you on interest. However, some loans include prepayment penalties — check your loan agreement before making extra payments. Even one extra payment per year can significantly reduce your total interest and shorten the loan term.
A tip calculator takes the guesswork out of tipping at restaurants, salons, hotels, and other service situations. Tipping customs vary by service type and region, but in the United States a tip of 15–20% is standard for restaurant service, with 20–25% for exceptional service. This calculator also handles bill splitting, making it easy to divide the total evenly among a group.
To use it, enter the total bill amount, select your desired tip percentage, and enter the number of people splitting the bill. The calculator instantly shows the tip amount, total bill, and the amount each person owes. You can also enter a custom tip percentage for situations where you want more control over the amount.
Frequently Asked Questions
How much should I tip at a restaurant?
The standard restaurant tip in the US is 15–20% of the pre-tax bill for good service, and 20–25% for excellent service. For poor service, 10% is generally considered acceptable. It is common practice to tip on the pre-tax amount, though tipping on the total is also fine.
Should I tip on the pre-tax or post-tax amount?
Tipping on the pre-tax amount is the traditional approach, though either is acceptable. The difference is usually small — on a $50 bill with 8% tax, tipping 20% pre-tax is $10.00 vs. $10.80 post-tax.
What services typically expect a tip?
In the US, tipping is customary for restaurant servers (15–20%), bartenders ($1–2 per drink or 15–20%), hairstylists (15–20%), taxi and rideshare drivers (15–20%), hotel housekeeping ($2–5 per night), and food delivery drivers (15–20% or minimum $3–5).
A currency converter is useful for international travel, online shopping from foreign retailers, sending money abroad, and understanding the value of international transactions. Exchange rates fluctuate constantly based on economic conditions, interest rates, and geopolitical events — so the rates shown here are approximate reference values intended for estimation purposes.
For large or time-sensitive currency transactions, always check a live rate from your bank, a currency exchange service, or a financial platform. Keep in mind that banks and exchange services typically charge a spread or fee on top of the mid-market rate, meaning the rate you actually receive will differ slightly from the published rate.
Frequently Asked Questions
What is the mid-market exchange rate?
The mid-market rate (also called the interbank rate) is the midpoint between the buying and selling prices of two currencies. It is the rate you see on financial sites like Google or XE.com. Banks and exchange services add a markup to this rate, which is how they make money on currency conversions.
Where is the best place to exchange currency?
For international travel, using a no-foreign-transaction-fee credit card or withdrawing cash from an ATM abroad typically gives you the best rate. Airport kiosks and hotel desks usually offer the worst rates. Services like Wise (formerly TransferWise) offer near mid-market rates for international transfers.
Why do exchange rates change?
Exchange rates fluctuate based on inflation rates, interest rate decisions by central banks, political stability, trade balances, and overall market sentiment. Major currencies like the USD, EUR, and GBP can move significantly in response to economic data releases or geopolitical events.