Financial Scenarios

Pre-calculated examples with real numbers and expert analysis. Find a scenario close to yours, then use the calculator to fine-tune the results.

41 scenarios across 17 calculators

Reference tables

Full lookup tables with an embedded calculator — every salary, loan amount, and contribution level in one place.

UK take-home pay by salary

£20,000 to £150,000 · 2026/27 rates

US take-home pay by salary

$40,000 to $250,000 · 2026 rates

Mortgage payments by amount

$150K to $750K · rates from 5% to 7%

Investment growth by amount

Monthly investing and lump sums at 7%

Compound Interest Calculator

$100,000 Invested for 30 Years at 7%

$811,650

Starting Amount: $100,000 Annual Interest Rate: 7% Time Period: 30 years

Daily vs Monthly Compounding: How Much Difference?

$172 difference on $100K over 10 years at 5%

Starting Amount: $100,000 Annual Interest Rate: 5% Time Period: 10 years

UK Salary & Take-Home Calculator

The £100K Childcare Cliff: When a Pay Rise Costs More Than It Pays

£380 kept per £1,000 — before childcare losses

Annual Salary: £100,000 Childcare schemes: Tax-Free Childcare + 30 hours Tax Year: 2026/27

How Much Tax on a £100,000 UK Salary?

£68,557/year (£5,713/month)

Annual Salary: £100,000 Tax Code: 1257L Tax Year: 2026/27

£30,000 Salary with Student Loan Plan 2

£25,064/year (£2,089/month)

Annual Salary: £30,000 Tax Code: 1257L Student Loan: Plan 2

Take-Home Pay on a £50,000 Salary in 2026/27

£3,293/month

Annual Salary: £50,000 Tax Code: 1257L Student Loan: None

The 60% Tax Trap: UK Take-Home from £100,000 to £125,140

£380 kept of every extra £1,000

Salary range: £100,000–£125,140 Tax Code: 1257L Tax Year: 2026/27

The £40,000 to £50,000 Pay Rise: What You Actually Keep

+£600/month (£7,200/year)

Salary before: £40,000 Salary after: £50,000 Tax year: 2026/27

Plan 5 Student Loans: What You'll Actually Repay

£112.50/month repaid on a £40,000 salary

Annual Salary: £40,000 Student Loan: Plan 5 Tax Year: 2026/27

Investment Return Calculator

$100K with Dividend Reinvestment Over 20 Years

$403,870 (from $100,000 invested)

Starting Amount: $100,000 Monthly Contribution: $0 Annual Return: 7%

Investing $500/Month for 25 Years

$405,036 (from $150,000 contributed)

Starting Amount: $0 Monthly Contribution: $500 Annual Return: 7%

Inflation Calculator

What Will $100,000 Buy in 20 Years?

Worth only $55,368 in today's dollars

Amount: $100,000 Inflation Rate: 3% Time Period: 20 years

How Inflation Erodes a $1M Retirement Fund

Buys only $412,000 worth of goods after 30 years

Retirement Fund: $1,000,000 Inflation Rate: 3% Retirement Length: 30 years

How UK Inflation Affects Your Weekly Shop

£128/week after 5 years at 5% food inflation

Weekly Shop: £100 Inflation Rate: 5% Time Period: 5 years

US Salary & Take-Home Calculator

$100,000 Salary Take-Home Pay After Taxes

~$74,540/year ($6,212/month)

Annual Salary: $100,000 Filing Status: Single State: California

What Is $50,000 a Year Per Hour?

$24.04/hour (gross) · ~$19.05/hour (net)

Annual Salary: $50,000 Filing Status: Single State: No state income tax (TX/FL)

$60K Salary with 10% 401(k) Contribution

$3,743/month take-home ($720/year in tax savings)

Annual Salary: $60,000 Filing Status: Single 401(k) Contribution: 10%

$75,000 Salary After Federal and State Taxes

~$57,891/year ($4,824/month)

Annual Salary: $75,000 Filing Status: Single State: New York

$75,000 to $100,000: What a $25K Raise Actually Pays

+$17,588/year (+$1,466/month)

Current salary: $75,000 New salary: $100,000 Filing status: Single

Mortgage Payment Calculator

Monthly Payment on a $300,000 Mortgage at 7%

$1,995.91/month

Loan Amount: $300,000 Interest Rate: 7% Loan Term: 30 years

Monthly Payment on a £300,000 UK Mortgage

£1,842/month (£252,600 total interest)

Loan Amount: £300,000 Interest Rate: 5.5% Loan Term: 25 years

Loan Amortization Calculator

Car Loan Amortization: $50K Over 4 Years

$1,197/month ($7,441 total interest)

Loan Amount: $50,000 Interest Rate: 7% Loan Term: 4 years

Emergency Fund Calculator

How Much for a 6-Month Emergency Fund?

$27,000 target

Monthly Expenses: $4,500 Months of Coverage: 6

Emergency Fund for a Family of Four

$39,000 for 6 months of family expenses

Monthly Expenses: $6,500 Months of Coverage: 6

Capital Gains Tax Calculator

Capital Gains Tax on Selling a Second Home in 2026/27

£23,280 CGT on a £100,000 gain

Purchase price: £200,000 Sale price: £300,000 Taxpayer band: Higher rate

Debt Payoff Calculator

How Long to Pay Off $50K in Credit Card Debt?

6 years 7 months, ~$45,280 in interest

Total Debt: $50,000 Average APR: 22% Monthly Payment: $1,200

How to Pay Off $30,000 in Debt

Paid off in ~4 years 8 months, $15,120 in interest

Total Debt: $30,000 Average APR: 18% Monthly Payment: $800

Paying Off $50,000 in Student Loans

8 years 9 months, ~$13,060 in interest

Total Debt: $50,000 Average APR: 5.5% Monthly Payment: $600

ROI Calculator

ROI on a $50,000 Home Renovation

75% cost recovery (−$12,500 net)

Investment Cost: $50,000 Value Gained: $37,500 Time Period: At sale

ROI on a £200,000 Rental Property

~5.8% annual total return

Property Value: £200,000 Annual Rent: £10,200 Annual Expenses: £3,600

Average Stock Market ROI Over 10 Years

$25,937 at 10% average annual return

Investment: $10,000 Annual Return: 10% Time Period: 10 years

Retirement Contribution Calculator

How Much to Save Monthly to Retire by 65

$555/month from age 30 at 7% returns

Current Age: 30 Retirement Age: 65 Current Savings: $0

Net Worth Calculator

What Should Your Net Worth Be at 30?

$76,300 average, $13,900 median (US under-35)

Age: 30 Total Assets: $120,000 Total Liabilities: $45,000

Path to $1M Net Worth by 40

~$3,056/month at 7% returns for 15 years

Current Age: 25 Target Age: 40 Starting Net Worth: $10,000

Retirement Savings Calculator

FIRE: How to Retire at 50

~$1,781/month from age 25 (targeting $1.5M)

Current Age: 25 Retirement Age: 50 Current Savings: $10,000

Retirement Age Calculator

Can I Retire at 55 with $1 Million?

$1,214,400 by age 55

Current Age: 30 Retirement Age: 55 Current Savings: $50,000

Can You Retire at 60 with $500K?

$20,000/year (4% rule) + Social Security at 62

Current Savings: $500,000 Retirement Age: 60 Monthly Withdrawal: $1,667

Savings Goal Calculator

How to Save $100,000 in 5 Years

$1,393/month needed

Target Amount: $100,000 Current Savings: $5,000 Time Frame: 5 years

How to Save $10,000 in One Year

~$774/month (starting with $500)

Target Amount: $10,000 Current Savings: $500 Time Frame: 1 year

Saving a $60,000 House Deposit in 3 Years

~$1,423/month (starting with $5,000)

Target Amount: $60,000 Current Savings: $5,000 Time Frame: 3 years

Stamp Duty Calculator

First-Time Buyer Stamp Duty in 2026: Where the Relief Ends

£6,250 SDLT (vs £11,250 standard)

Property price: £425,000 Buyer type: First-time buyer Region: England / Northern Ireland