🧮 Free Tools

Calculators for smarter decisions

Estimate costs, compare cards, and plan travel — all in your browser. No login needed.

5 Live Calculators

0 Data Collected

∞ Free to Use

Credit Card Reward Calculator

Estimate annual reward value, fee-adjusted benefit, and break-even spend.

Forex Markup Calculator

Compare international spend charges between standard and low-forex cards.

Airport Lounge Value Calculator

Check whether lounge access is a useful benefit or an expensive distraction.

Conference Travel Budget Calculator

Plan registration, flights, visa, hotel, food, insurance, and emergency buffer.

Postdoc Relocation Budget Calculator

Estimate the minimum first-month move-abroad amount before reimbursements settle.

Credit Card Selector for Researchers

Answer a few questions to shortlist card categories, not financial advice.

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No need to navigate — run any calculator directly below.

Credit Card Reward Calculator

Estimate annual value from normal spends, travel spends, benefits, and the annual fee.

Monthly spend Monthly travel spend Online shopping spend Dining spend Annual fee Reward rate % Welcome benefit Renewal benefit

Forex Markup Calculator

Estimate extra cost on international spending and compare it with a low-forex card.

Currency Foreign transaction amount in INR Current card forex markup % GST/tax on markup % Comparison card markup %

Airport Lounge Value Calculator

Estimate realistic lounge value from actual expected visits, not marketing headlines.

Domestic flights per year International flights per year Lounge visits expected Estimated value per visit

Conference Travel Budget Calculator

Estimate total conference cost and a practical emergency buffer.

Registration fee Flight cost Visa cost Hotel nights Hotel cost per night Local transport Food per day Insurance Forex buffer %

Printable checklist

Passport, visa, invitation letter, insurance
Registration receipt, hotel, flight, funding approval
Card, forex card, emergency cash, reimbursement rules

Postdoc Relocation Budget Calculator

Estimate the cash needed before your first salary, stipend, or reimbursement is stable.

Country / city note Flight Visa Insurance Deposit / rent First-month expenses Laptop / phone / SIM setup Local transport setup

⚠️ These are simple client-side estimators for planning purposes only. They do not replace official issuer terms, travel-provider rules, visa guidance, or financial advice.