Finance Online Tools

EMI calculators, SIP planners, tax calculators, loan comparisons, and currency converters.

Available Tools in Finance (27)

Frequently Asked Questions About Financial Calculators

How is loan EMI calculated using the standard reduction balance formula?

Equated Monthly Installments (EMI) are calculated using the formula: EMI = [P × r × (1 + r)^n] / [(1 + r)^n - 1], where P is the principal loan amount, r is the monthly interest rate (annual rate / 12 / 100), and n is the loan tenure in months. Under reducing balance method, interest is computed each month on the remaining unpaid principal.

What is the difference between the Old Tax Regime and New Tax Regime for FY 2025-26?

The New Tax Regime (Section 115BAC) features lower slab rates (0% up to ₹4 Lakh, 5% up to ₹8 Lakh, up to 30% above ₹24 Lakh) with a ₹75,000 standard deduction and full tax rebate under Section 87A up to ₹12 Lakh taxable income. However, it disallows deductions like Section 80C, 80D, and HRA. The Old Tax Regime allows all statutory deductions (80C up to ₹1.5L, 80D, HRA) but has narrower tax slabs.

How does compound interest differ from simple interest?

Simple interest is calculated solely on the principal amount: Interest = P × r × t. Compound interest accumulates interest on both the initial principal and previously earned interest: A = P × (1 + r/n)^(n×t). Compounding frequency (monthly, quarterly, annually) significantly accelerates long-term portfolio growth.

How does a Systematic Investment Plan (SIP) generate long-term wealth?

An SIP invests a fixed amount into mutual funds at regular intervals. It leverages rupee cost averaging (buying more fund units when market prices drop and fewer when prices rise) and monthly compounding to build wealth while insulating investors from short-term market volatility.

How is tax-exempt HRA calculated under Section 10(13A)?

Tax-exempt House Rent Allowance (HRA) is the minimum of three statutory criteria under Rule 2A: 1) Actual HRA received, 2) Total rent paid minus 10% of basic annual salary, and 3) 50% of basic salary for metro cities (Mumbai, Delhi, Kolkata, Chennai) or 40% for non-metro cities.

What is the difference between Profit Margin and Markup percentage?

Markup is the percentage added to the base cost to determine selling price: Markup % = (Selling Price - Cost) / Cost × 100. Profit Margin is the percentage of total revenue retained as profit: Margin % = (Selling Price - Cost) / Selling Price × 100. Profit margin is always lower than markup for a positive profit.

How does reverse GST calculation extract pre-tax base prices?

Reverse GST extracts the original tax-free base price from a total inclusive bill amount using the formula: Base Price = Gross Price × 100 / (100 + GST Rate %). The extracted GST tax component is then computed as Gross Price - Base Price.

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