Smart Tools & Free Calculators
India's all-in-one calculator hub — live currency converter, EMI, GST, SIP, income tax, gold value & more. Instant answers, 100% free, built for every Indian.
💱 Live Currency Converter
Convert Indian Rupee (INR) to US Dollar, UAE Dirham, Euro, Pound & 30+ currencies at live exchange rates.
Loading live rates…
🏦 Loan EMI Calculator
Calculate your monthly EMI for home, car, personal or business loans in seconds.
🧾 GST Calculator
Add or remove GST (5%, 12%, 18%, 28%) from any amount instantly.
📈 SIP Calculator
Estimate the future value of your mutual fund Systematic Investment Plan.
🧮 Income Tax Calculator (FY 2025-26 (AY 2026-27))
Compare New vs Old tax regime and find which saves you more tax.
🥇 Gold Value Calculator
Find the value of your gold by weight and purity (24K, 22K, 18K) at today's rate.
% Percentage Calculator
Calculate percentage of a number, percentage change, and more.
Results update automatically as you type.
- 10% of 1000 = 100
- 15% of 2000 = 300
- 18% GST on ₹1000 = ₹180
- 20% hike on ₹50000 = ₹10000
🎂 Age Calculator
Calculate exact age in years, months and days from date of birth.
💹 Compound Interest Calculator
Calculate compound interest on FD, RD or any lump-sum investment.
🛒 Best Buy — Unit Price Calculator
Compare two products by price-per-unit to find the cheapest deal.
Product A
Product B
Tip: enter the same unit (grams, ml, pieces) for both products for a fair comparison.
Free Online Calculators & Converters for India
WiseSeva's Smart Tools bring together the most-searched financial calculators and converters in one place — completely free, with no sign-up and instant results. Whether you want to check 1 USD to INR today, calculate your home loan EMI, figure out GST on a bill, or compare the new vs old income tax regime, every tool here works instantly on your phone or computer.
Why these tools drive smarter decisions
- Currency Converter: Live exchange rates for USD, AED, EUR, GBP, SAR, NPR and 30+ currencies — perfect for NRIs, students going abroad, and importers/exporters.
- EMI Calculator: Know your exact monthly outflow before taking any home, car, education or personal loan.
- GST Calculator: Instantly add or remove 5%, 12%, 18% or 28% GST from any invoice amount.
- SIP Calculator: Project the power of compounding on your monthly mutual fund investments.
- Income Tax Calculator: Compare both regimes for FY 2025-26 (AY 2026-27) and pick the one that saves you more.
Frequently Asked Questions
How much is 1 USD in INR today?
Use the Currency Converter above and select "US Dollar" to see the live USD to INR exchange rate. Rates update daily based on foreign exchange market data.
How is EMI calculated?
EMI = P × r × (1+r)^n ÷ ((1+r)^n − 1), where P is the loan amount, r is the monthly interest rate (annual rate ÷ 12 ÷ 100), and n is the loan tenure in months.
What are the income tax slabs for the new regime FY 2025-26 (AY 2026-27)?
New regime slabs: 0–4L (0%), 4–8L (5%), 8–12L (10%), 12–16L (15%), 16–20L (20%), 20–24L (25%), above 24L (30%). Income up to ₹12 lakh is tax-free after the 87A rebate for salaried individuals.
Is the GST calculator free to use?
Yes. All WiseSeva calculators are 100% free with no limits, no sign-up, and no data collection. They run entirely in your browser.
Are these results accurate?
The calculators use standard financial formulas and current rates. However, they are for informational purposes only and not financial advice. Always confirm critical figures with your bank or a qualified professional.