Guides
30 worked examples, each with the relevant calculator already filled in. Change the numbers to yours and the answer updates as you type.
Retirement
Retirement at 55: what you actually need saved
Work out whether retiring at 55 is realistic. Enter your age, savings and monthly contribution to see your projected pot, income and th…
Read →Retirement at 60: the numbers behind the plan
See what retiring at 60 requires. Project your pot, the monthly income it supports after inflation, and the contribution change that cl…
Read →Retirement at 65: projecting the pot and the income
Project your retirement pot at 65, the monthly income it supports after inflation, and how far off your target you are.…
Read →How much do you need to save to retire with 1 million?
Find the monthly contribution that reaches a million, how long it takes, and what a million will actually buy after inflation.…
Read →Can I retire early?
Find out whether early retirement is realistic on your numbers. See your independence number, the age you reach it and the monthly inve…
Read →How much do I need to retire?
Work out the retirement pot your target income actually requires, adjusted for inflation, and see how far your current plan gets you.…
Read →Retirement savings by age: where should you be?
Compare your savings against common age benchmarks, then project forward to see whether the trajectory reaches your target.…
Read →Is 500,000 enough to retire on?
See what a 500,000 pot pays each month at safe withdrawal rates, how inflation erodes it, and what it takes to get there.…
Read →FIRE
FIRE calculator for the United States
US-focused FIRE calculator. Work out your FI number in dollars, years to financial independence, and the accounts that carry the plan.…
Read →FIRE calculator for Canada
Canadian FIRE calculator. See your financial independence number, years to FIRE and how RRSP and TFSA room shapes the plan.…
Read →FIRE calculator for the United Kingdom
UK FIRE calculator in pounds. Work out your financial independence number, years to FIRE, and how ISAs and SIPPs split the plan.…
Read →FIRE calculator for Australia
Australian FIRE calculator. Work out your financial independence number, years to FIRE, and how superannuation preservation shapes the …
Read →FIRE calculator for India
FIRE calculator for India in rupees. Work out your financial independence number, years to FIRE and the monthly SIP required.…
Read →Coast FIRE calculator
Work out your Coast FIRE number - the balance that grows into full financial independence by retirement age with no further contributio…
Read →Lean FIRE vs Fat FIRE
See Lean, standard and Fat FIRE side by side on your own spending, with the years and monthly investment each one requires.…
Read →How long will it take to reach financial independence?
Find the number of years to financial independence on your savings rate, and see how much each extra contribution moves the date.…
Read →Compound interest
What does 10,000 become in 30 years?
See what a single 10,000 investment grows to over 30 years at any rate, with a live chart and a contributions-versus-interest breakdown…
Read →What does 500 a month grow into?
See what 500 a month becomes over 10, 20 or 30 years, how much of it is interest, and what a small increase would add.…
Read →What does 1,000 a month grow into?
See what 1,000 invested monthly becomes over any horizon, with the split between contributions and compound growth.…
Read →How to turn 100 a month into 100,000
See exactly how long 100 a month takes to reach 100,000 at different rates, and what changes shorten it.…
Read →Rule of 72: how long until your money doubles?
Use the rule of 72 to estimate doubling time, then check it against an exact compound interest projection.…
Read →Daily vs monthly compounding: what is the difference worth?
Compare daily, monthly, quarterly and yearly compounding on the same deposit and see what the difference is actually worth.…
Read →Savings
How long does it take to save 100,000?
See exactly how long it takes to save 100,000 on your monthly deposit, and how much interest does the work for you.…
Read →How long does it take to save 50,000?
Work out how long 50,000 takes on your monthly deposit, or what to save each month to hit a deadline.…
Read →How to save 10,000 in one year
See the exact monthly and weekly amount needed to save 10,000 in twelve months, with interest included.…
Read →Emergency fund calculator
Work out the emergency fund your expenses justify and the monthly deposit that builds it within your chosen timeframe.…
Read →Saving for a house deposit
Work out the monthly saving needed for your house deposit, including interest, and see the milestones on the way.…
Read →Investing
How much should I invest each month?
Find the monthly investment your goals actually require, and see how the outcome changes under weaker and stronger markets.…
Read →What will 10,000 be worth in 20 years?
Project 10,000 forward twenty years under weak, expected and strong markets, and see what inflation does to the result.…
Read →Average stock market return calculator
Work out the annualised return on an investment you already hold, compare it against market averages, and project it forward.…
Read →Get the FIRE Action Plan
Your FI number, target date and the monthly investment that hits it, with Coast, Lean and Fat milestones.
No spam, and one click unsubscribes. We never sell your details. See our privacy policy.
Want the Free Money Planner Pack?
The plain-English guide to using these calculators well.
One email, then a short weekly note. Unsubscribe any time.