Convert hourly, weekly, or monthly pay to annual salary (and reverse). Includes overtime and hours/week inputs.

Calculate PayPal fees, net received, or the amount to charge. Supports percent + fixed fee fee models.

Calculate mortgage payments, total interest, and amortization. Include loan amount, rate, term, and down payment.

Estimate total mortgage interest and monthly interest over the loan term. Compare rates and terms quickly.

Calculate total monthly mortgage payment including taxes, insurance, and HOA. Estimate full PITI cost accurately.

Generate an amortization schedule with principal and interest by month. Add extra payments to reduce payoff time.

Compare current vs refinanced loan. Estimate new payment, break-even point, and lifetime interest savings.

Estimate credit card interest charges from APR, balance, and payment. See monthly interest and total cost.

Compare balance transfer offers. Estimate savings, transfer fees, promo APR period, and payoff timeline.