Education Savings Calculator
Enter the future education cost, years to go, expected annual return and current savings to compute the monthly saving needed to fund tuition.
Input Data
Results
At a glance:Education savings is a future-value annuity: you need a lump sum (tuition + living) at enrolment, funded by monthly contributions compounded to that date. Monthly saving = (target − current savings × (1+r)^(12·years)) × r ÷ ((1+r)^(12·years) − 1), with r = annual return ÷ 12. The result also splits total contributions and investment growth, showing how much is your own saving versus compounding. Tuition rises ahead of inflation, so a longer horizon and earlier start cut the monthly burden a lot.
Formula
Monthly rate r = annual return ÷ 12; months n = years × 12.
Monthly saving = (target − current × (1+r)^n) × r ÷ ((1+r)^n − 1).
Total contributions = monthly saving × n; growth = target − current − total contributions.
$$PMT = \dfrac{(G - S_0 (1+r)^n)\, r}{(1+r)^n - 1}$$$$Growth = G - S_0 - PMT \times n$$How to Use
- Enter the future education cost, years to go, expected annual return and current savings.
- The tool returns the monthly saving and the contributions-vs-growth breakdown.
Case Studies
Fund HK$1M tuition in 15 years
Target HK$1,000,000 in 15 years, current HK$50,000, expected 5%.
Monthly rate r = 5%÷12 ≈ 0.4167%; months 180.
Monthly saving ≈ HK$3,232; total contributions ≈ HK$581,760; growth ≈ HK$368,240 — growth covers over a third.
Start 5 years later
Same HK$1,000,000 but only 10 years to go, current HK$50,000, 5%.
Monthly saving jumps to ≈ HK$5,790 (about 79% more) for the same goal.
Delaying 5 years costs far more monthly — education savings rewards an early start.
FAQ
Why start saving early?
Time is the strongest lever: a longer horizon spreads the goal over more months and lets compounding do more. Here, 15 vs 10 years nearly halves the monthly burden for the same HK$1M target.
Is the return guaranteed?
No. The model assumes a fixed annual return compounded monthly; real markets fluctuate. Treat it as planning reference and review periodically; consider lower-risk vehicles as enrolment nears.
How is investment growth computed?
Growth = target − current savings − total contributions. It is the part compounding earns for you, reducing what you must save yourself.
Should I inflate the tuition?
Tuition often rises faster than general inflation, especially overseas. Use a realistic future cost (not today's fee) as the target, or add an inflation/ fee-growth assumption when estimating it.
What if I cannot meet the monthly saving?
Extend the horizon, lower the target (e.g. local vs overseas), raise the return (more risk) or add a lump sum. Extending time is usually the safest; the calculator shows the trade-offs.
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References
This calculator's content is reviewed by our Licensed Wealth Advisory team. Results are for reference only; please refer to the relevant authorities for the official figures.