Investment Calculator
Project the growth of an investment from an initial amount plus regular monthly contributions.
Your details
Future value
$343,778.24
- Total invested
- $130,000.00
- Total growth
- $213,778.24
Growth over time
Balance Contributions
Invested vs growth
- Contributions
- $130,000.0038%
- Interest
- $213,778.2462%
Future value$343,778.24
Formula
Each month the balance earns return/12 and your contribution is added. The chart shows the balance versus what you contributed.
Sources & methodology
Assumes a constant return and monthly compounding; excludes taxes, fees and inflation.
Last updated: 2026-07-19
Also on your phone
Numveo for Android
200+ financial calculators — mortgage, loans, taxes, retirement. Fast, private, and fully offline.
Learn more
Dollar-Cost Averaging vs Lump-Sum InvestingLump-sum vs dollar-cost averaging: why lump-sum usually beats DCA on paper, when averaging in still makes sense, and how to choose for a windfall.How Capital Gains Tax WorksHow capital gains tax works in the US: the one-year holding rule, long-term rates of 0/15/20%, and how losses offset gains.How Compound Interest Builds WealthCompound interest explained simply: why time beats amount, the Rule of 72, and what drives long-term investment growth.How to Start Investing: A Beginner's RoadmapA simple order of operations for new investors: emergency fund, debt, employer match, then steady, diversified investing.Understanding Bonds and YieldsHow bonds work: coupons, why price and yield move opposite, and current yield vs yield to maturity.What Counts as a Good ROI?How to read return on investment properly: the ROI formula, why annualizing matters, sensible benchmarks, and the inflation test.
Embed this calculator⌄
Paste this into your page — it works with no key and computes in the visitor's browser. The short credit line links back to Numveo; please keep it.
<iframe src="https://numveo.com/embed/investment-calculator" width="100%" height="640" style="border:0" loading="lazy" title="Investment Calculator"></iframe>
<p style="font:13px/1.5 system-ui,sans-serif;color:#52514e;margin:6px 0"><a href="https://numveo.com/investment/investment-calculator" target="_blank" rel="noopener">Investment Calculator</a> by <a href="https://numveo.com" target="_blank" rel="noopener">Numveo</a></p>