How is gross margin calculated?

Gross margin = (MRR - variable costs) / MRR × 100%. Variable costs include per-user costs for both free and paid users. Fixed costs like infrastructure and team salaries are excluded from gross margin.

What's a good paid conversion rate?

For freemium SaaS, 2-5% is typical. Developer tools and B2B products often see 5-10%. Consumer apps tend to be lower at 1-3%.

How is gross margin calculated?

Gross margin = (MRR - variable costs) / MRR × 100%. Variable costs include per-user costs for both free and paid users. Fixed costs like infrastructure and team salaries are excluded from gross margin.

What's a good paid conversion rate?

For freemium SaaS, 2-5% is typical. Developer tools and B2B products often see 5-10%. Consumer apps tend to be lower at 1-3%.

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SaaS収益計算機

SaaS指標（MAU、有料率、サブスクリプション価格、コスト）を入力して月次利益とユニットエコノミクスを計算。

100%無料登録不要ブラウザで実行

収益

月間アクティブユーザー（MAU）5,000

有料コンバージョン率5%

サブスクリプション価格$29

コスト

無料ユーザーあたりのコスト/月$0.1

有料ユーザーあたりのコスト/月$2

固定月額コスト（インフラ、チームなど）$500

MRR

$7,250

ARR

$87,000

月次利益

$5,775

粗利率

86.6%

収益 vs コスト

収益（MRR）$7,250

総コスト$1,475

ユニットエコノミクス

有料ユーザー250

無料ユーザー4,750

ユーザーあたりの収益（ARPU）$1.45

ユーザーあたりのコスト$0.3

LTV（12ヶ月平均）$348

無料ユーザーコスト$475

有料ユーザーコスト$500

固定コスト$500

損益分岐点MAU399

黒字

$5,775/月の利益、粗利率86.6%

SaaS Profit Calculatorについて

Input your SaaS metrics — monthly active users, paid conversion rate, subscription price, and per-user costs — to calculate MRR, ARR, gross margin, monthly profit, ARPU, LTV, and break-even point. A practical tool for indie hackers and SaaS founders.

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