Estimate APR from a loan amount, interest rate, term, and common fees. Shows your payment, total interest, and total paid. Loan amount (principal) USD This is the amount you borrow before fees are added or subtracted. Interest rate (note rate) % This rate sets your payment. APR adds most fees (so APR is usually higher). … Read more
Estimate your ending balance, interest earned, and total contributions over time. Supports recurring contributions, compounding frequency, and contribution timing. Starting balance (initial deposit) USD Contribution amount USD This is how much you add each contribution period. You can enter 0. Years to grow yr You can use decimals (example: 7.5 years). Annual rate of return … Read more
Estimate the deposit you need to reach a target amount by a deadline. Includes interest, deposit frequency (monthly, biweekly, weekly), and deposit timing options. Savings goal (target amount) USD Current savings (starting amount) USD This is money you already have saved today. Time to reach goal (years) yr You can use decimals (example: 2.5 years). … Read more
Pay off multiple debts by putting extra money toward the highest APR first. Enter each balance, APR, and minimum payment to estimate payoff time and total interest. Extra payment per month (on top of minimums) USD Debt avalanche pays minimums on every debt, then sends the extra to the highest APR debt. Add debt Clear … Read more
Estimate how long it will take to pay off your credit card and how much interest you will pay. Add extra payments, a one-time lump sum, or a minimum-payment rule. Current balance USD Total you owe right now. Interest rate (APR) % APR is the yearly interest rate (the card charges interest every month, based … Read more
Estimate how long it takes for a refinance to pay for itself. Enter your current payment, your new rate and term, and closing costs to see monthly savings and break-even time (principal and interest only). Current monthly payment (principal and interest) USD USD Use the loan payment only (principal is what you owe, interest is … Read more
Compare your current mortgage to a refinance. See the new monthly payment, break-even time, and how fees, points, and cash-out change the math. Results focus on principal and interest. I know my remaining term I know my monthly payment Current remaining balance USD USD Current annual interest rate percent per year % Remaining term years … Read more
Enter a home price, down payment, APR, and term. This calculator estimates your monthly payment and payoff month. Advanced options include property tax, insurance, HOA, PMI, and extra principal payments. Home price USD USD Down payment amount or percent %USD Down payment is what you pay upfront. The loan is the rest. Interest rate (APR) … Read more
Find how much energy a capacitor stores from its capacitance and voltage. You can also solve for the voltage you need, or the capacitance you need, if you know the energy. Solve for energy Solve for voltage Solve for capacitance Capacitance (C) required unless solving for C pFnFuFmFF Voltage across capacitor (V) required unless solving … Read more
Work out how fast a capacitor loses voltage through a resistor. You can either find the time to reach a chosen voltage, or find the voltage after a set time. Find time to reach a voltage Find voltage after a time Starting capacitor voltage (V0) volts V Target voltage (Vt) volts, must be lower than … Read more
