Finance

Bank Card BIN Lookup

Enter a bank card number to instantly check the issuing bank, location, card type, and customer service phone number. Supports UnionPay and other major card networks.

E-commerce ROI Calculator

E-commerce advertising ROI/ROAS profit and loss calculator that accounts for profit margins, return rates, and hidden costs to quickly assess whether your ad spending is profitable

Provident Fund Loan Calculator

Accurately calculate your provident fund loan monthly payments and total interest. Supports both fixed payment and fixed principal repayment methods.

Housing Provident Fund Loan Calculator

Accurately calculate your Housing Provident Fund loan monthly payments and total interest. Supports both fixed monthly payment and fixed principal repayment methods.

Interest Rate Calculator (2026)

Enter your principal, annual interest rate, and term to quickly calculate total interest and total balance using simple or compound interest.

Break-even ROI Calculator

Enter profit margin, return rate, and other cost proportions to quickly calculate break-even ROI and ROAS for ad spending, with sensitivity analysis included—see the safety threshold at a glance.

Time Deposit Interest Calculator

Enter the principal amount, term, and interest rate to quickly calculate the interest earned and total amount at maturity.

NPV (Net Present Value) Calculator

Calculate Net Present Value (NPV) and determine project investment value.

Bank Card 3-Factor Verification

Accurately verify the consistency of a user's name, bank card number, and ID number to ensure financial transaction security and authentic identities.

Bank Card 4-Factor Verification

Verify the cardholder's name, bank card number, ID number, and phone number. Ensure information authenticity for real-name authentication and fraud prevention.

Consumer Loan Calculator

Enter the loan amount, interest rate, and term to quickly calculate monthly payments and total interest on consumer loans.

Sick Leave Pay Calculator

Quickly calculate your sick leave pay and payout percentage based on your years of service and monthly salary.

Resale Property Tax Calculator

Accurately calculate deed tax, VAT, and personal income tax for resale property transactions. Quickly get an itemized tax breakdown and total costs.

Gross Margin Calculator

Input revenue and costs to instantly calculate gross profit margin, gross profit amount, and cost ratio, helping you determine if your product and business are profitable.

Annualized Interest Rate Calculator

Quickly calculate the annualized interest rate or APY by entering your principal, final amount, and time period.

Corporate Bank Account Location Lookup

Enter a corporate bank account number to instantly find its registered province and city. Supports account name for enhanced accuracy.

Loan Affordability Calculator

Calculate your maximum loan amount and monthly payments based on your income and debts to help budget for a new home or car.

Monthly Interest Rate Calculator (2026)

Input principal, annual interest rate, and number of periods to quickly get monthly interest rate, monthly interest, and monthly payment.

Stock Trading Calculator

A practical tool to calculate stock trading profits, losses, ROI, and transaction fees.

Interest Rate Converter

Quickly convert between annual interest rates, monthly interest rates, and daily interest rates. Supports both simple interest and effective annual rate modes.