How do I calculate loan amortization?

You can calculate loan amortization by determining your monthly payment based on the principal, interest rate, and term, then breaking down each payment into interest and principal portions. Margitrix provides a free Enterprise Loan Calculator that generates full amortization schedules instantly.

How do I estimate my income tax?

Income tax can be estimated by applying your country's progressive tax brackets and deductions to your gross income. Margitrix's Global Tax Calculator supports precise tax rules for 21 countries from 2020 to 2025.

How do I calculate my Etsy profit margin?

To calculate your Etsy profit margin, subtract all fees (listing fee $0.20, transaction fee 6.5%, payment processing ~3%, and any offsite ad fees) plus your cost of goods and shipping from your sale price. Margitrix's free Etsy calculator does this instantly — no signup required.

What fees does Amazon FBA charge?

Amazon FBA fees include a referral fee (typically 8–15% of the sale price), an FBA fulfillment fee based on item size and weight, and optional storage fees. Use Margitrix's Amazon FBA Calculator to get an instant breakdown of all costs and your net profit margin.

Are these calculators free to use?

Yes. All Margitrix calculators — Loan, Tax, Mortgage, Etsy, Amazon FBA, and more — are completely free to use with no signup or account required. All calculations happen instantly in your browser.

Professional Edition

Advanced Mortgage Calculator

Calculate accurate payments, amortization schedules, and what-if scenarios instantly.

Net Profit

$-255,088.98

Per sale net cashflow

Profit Margin

127.5%

Gross margin ratio

Gross Revenue$1614.14

Total Expenses$581088.98

Base P&I Payment$1264.14

Taxes & Insurance$350.00

Total Cost$581088.98

Cost & Profit Breakdown

Visual Allocation

Principal$200000.00

Total Interest$255088.98

Taxes & Ins$126000.00

Calculator Inputs

Instant Recalculation

Core Details

Loan Type

Loan Amount ($)$250000.00

Interest Rate (%)$6.50

Loan Term$30.00

Term Unit

Payment Frequency

Optional & Advanced

Down Payment ($)$50000.00

Extra Pmt (monthly) ($)$0.00

Origination Fee ($)$0.00

Closing Costs ($)$0.00

Annual Taxes ($)$3000.00

Annual Insurance ($)$1200.00

Start Date

Net Profit

$-255,088.98

Per sale net cashflow

Profit Margin

127.5%

Gross margin ratio

Gross Revenue$1614.14

Total Expenses$581088.98

Base P&I Payment$1264.14

Taxes & Insurance$350.00

Total Cost$581088.98

Cost & Profit Breakdown

Visual Allocation

Principal$200000.00

Total Interest$255088.98

Taxes & Ins$126000.00

Calculator Inputs

Live Recalculation

Core Details

Loan Type

Loan Amount ($)$250000.00

Interest Rate (%)$6.50

Loan Term$30.00

Term Unit

Payment Frequency

Optional & Advanced

Down Payment ($)$50000.00

Extra Pmt (monthly) ($)$0.00

Origination Fee ($)$0.00

Closing Costs ($)$0.00

Annual Taxes ($)$3000.00

Annual Insurance ($)$1200.00

Start Date

Principal Paid

$200,000.00

Interest Paid

$255,088.977

Effective APR

6.500%

Payoff Date

Aug 2056

Remaining Balance Over Time

Principal vs Interest Per Year

What-If Scenarios

Compare Alternatives

7.50% Interest Rate (+1%)

New Payment$1398.43

Impact on Total Interest

Costs $48,345

5.50% Interest Rate (-1%)

New Payment$1135.58

Impact on Total Interest

Saves $46,281

Shorter Term (348 months)

New Payment$1278.43

Impact on Total Interest

Saves $10,197

Pay Extra $100/mo

New Payment$1364.14

Impact on Total Interest

Saves $55,946

Amortization Schedule

Detailed breakdown of every payment.

Pmt #	Date	Beg. Balance	Payment	Principal	Interest	Extra	End Balance
1	Sep 2026	$200,000.00	$1,614.14	$180.80	$1,083.33	$0.00	$199,819.20
2	Oct 2026	$199,819.20	$1,614.14	$181.78	$1,082.35	$0.00	$199,637.42
3	Nov 2026	$199,637.42	$1,614.14	$182.77	$1,081.37	$0.00	$199,454.65
4	Dec 2026	$199,454.65	$1,614.14	$183.76	$1,080.38	$0.00	$199,270.89
5	Jan 2027	$199,270.89	$1,614.14	$184.75	$1,079.38	$0.00	$199,086.14
6	Feb 2027	$199,086.14	$1,614.14	$185.75	$1,078.38	$0.00	$198,900.39
7	Mar 2027	$198,900.39	$1,614.14	$186.76	$1,077.38	$0.00	$198,713.63
8	Apr 2027	$198,713.63	$1,614.14	$187.77	$1,076.37	$0.00	$198,525.86
9	May 2027	$198,525.86	$1,614.14	$188.79	$1,075.35	$0.00	$198,337.07
10	Jun 2027	$198,337.07	$1,614.14	$189.81	$1,074.33	$0.00	$198,147.26
11	Jul 2027	$198,147.26	$1,614.14	$190.84	$1,073.30	$0.00	$197,956.42
12	Aug 2027	$197,956.42	$1,614.14	$191.87	$1,072.26	$0.00	$197,764.55
13	Sep 2027	$197,764.55	$1,614.14	$192.91	$1,071.22	$0.00	$197,571.64
14	Oct 2027	$197,571.64	$1,614.14	$193.96	$1,070.18	$0.00	$197,377.68
15	Nov 2027	$197,377.68	$1,614.14	$195.01	$1,069.13	$0.00	$197,182.67
16	Dec 2027	$197,182.67	$1,614.14	$196.06	$1,068.07	$0.00	$196,986.61
17	Jan 2028	$196,986.61	$1,614.14	$197.13	$1,067.01	$0.00	$196,789.49
18	Feb 2028	$196,789.49	$1,614.14	$198.19	$1,065.94	$0.00	$196,591.29
19	Mar 2028	$196,591.29	$1,614.14	$199.27	$1,064.87	$0.00	$196,392.03
20	Apr 2028	$196,392.03	$1,614.14	$200.35	$1,063.79	$0.00	$196,191.68
21	May 2028	$196,191.68	$1,614.14	$201.43	$1,062.70	$0.00	$195,990.25
22	Jun 2028	$195,990.25	$1,614.14	$202.52	$1,061.61	$0.00	$195,787.73
23	Jul 2028	$195,787.73	$1,614.14	$203.62	$1,060.52	$0.00	$195,584.11
24	Aug 2028	$195,584.11	$1,614.14	$204.72	$1,059.41	$0.00	$195,379.39

Showing 1 to 24 of 360

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Understanding Your Loan Payments and Amortization

Whether you are taking out a mortgage or refinancing an existing debt, understanding how your payments are structured is critical. This calculator uses standard financial compounding formulas to generate precise amortization schedules.

How Loan Amortization Works

An amortized loan requires you to make fixed, periodic payments (usually monthly). Early in the loan term, the majority of your payment goes toward paying off the interest. As the balance decreases over time, a larger portion of your payment is applied to the principal.

By viewing the Amortization Table above, you can see exactly how much principal and interest you pay on any given date.

The Power of Extra Payments

Because interest is calculated based on the remaining balance, paying extra principal directly reduces the total interest charged over the life of the loan. Using the Extra Payment field in our calculator, you can instantly see how much money and time you can save by paying even slightly more each period.

Related Financial Calculators

Frequently Asked Questions

A standard amortizing loan payment is calculated using the formula: PMT = P × (r(1+r)^n) / ((1+r)^n - 1), where P is the principal, r is the periodic interest rate, and n is the total number of payments.

Your payment is primarily determined by the loan amount, interest rate, and term length. Adding taxes, insurance, or making extra payments will also change your out-of-pocket costs.

The easiest ways to pay off a loan faster are: 1. Making extra payments toward the principal every month. 2. Switching to a biweekly payment schedule. 3. Refinancing to a shorter loan term.

Amortization is the process of spreading out a loan into a series of fixed payments over time. Early payments consist primarily of interest, while later payments pay down more principal.

The Annual Percentage Rate (APR) reflects the true cost of borrowing because it includes both the interest rate AND any upfront fees (like origination fees or closing costs) spread over the life of the loan.