Savings rate calculator
Income − expenses → savings rate (net vs gross)

Inputs

Enter monthly numbers (or any period, as long as you stay consistent).

Before taxes/deductions.
Withholding, insurance, retirement, etc.
If filled, net income will be used directly.
Different sources use different denominators.
Rent, loan payments, subscriptions.
Food, transport, shopping, etc.
Anything you want to track separately.
e.g. 20 means 20%.
Fill inputs, then click Calculate.
Notes
• Savings = net income − total spending.
• Net income = (net input) or (gross − taxes & deductions).
• Savings rate can be defined using net or gross income as the denominator.
About / 關於

Savings rate calculator — Calculate your savings rate from income and expenses. Shows net vs gross definitions, savings amount, and a target gap. Shareable, browser-only MVP.

Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.

FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.

儲蓄率計算 — 用收入與支出計算儲蓄率:同時顯示淨/總口徑、儲蓄金額與距離目標的差距。可分享連結、純前端 MVP。

範例:用這個工具快速試算與對照結果,需要討論時再把連結分享給對方。

FAQ: (1) 會上傳資料嗎?不會,計算在瀏覽器內完成。 (2) 能分享結果嗎?可以,用分享連結。 (3) 準確嗎?請把它當作便利工具,不是專業建議。