KOMOJU 決済手数料計算ツール
コンビニ決済（2.75%）、PayPay（3.24%）、国内カード決済の手数料および手取り額を即時計算。
顧客請求用メッセージ生成ツール (JPY) ▼
Fee Wealth Leakage Radar & Profit Drag
Multi-Rail Arbitrage ("Switch & Save")
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Pass Fee to Client (Legal Surcharge Engine) Calculate zero-shortfall compliant markup & legal surcharge limits
• United States: Visa & Mastercard cap credit card surcharges at 3.00% (effective April 2023). Surcharging debit or prepaid cards is strictly illegal under federal operating rules.
• UK & European Union: Surcharging consumer debit and credit cards is prohibited under PSD2. B2B / corporate card surcharges remain permitted.
• Australia: Governed by RBA; surcharging is legally restricted strictly to the merchant's actual cost of card acceptance.
Client Invoice Message
Bookkeeping Journal Entry
Recent Calculations (Click to Restore)
よくある質問（KOMOJU決済）
KOMOJUのコンビニ決済の手数料はいくらですか？（2026年最新） ▼
KOMOJU（コモジュ）のコンビニ決済手数料は一律2.75%（税別）です。セブンイレブン、ローソン、ファミリーマート、ミニストップでのお支払いに対応しています。
Why is Konbini payment so important for e-commerce in Japan? ▼
A large demographic of Japanese consumers (including teenagers and privacy-conscious buyers) prefer paying in cash at convenience stores rather than sharing credit cards online. KOMOJU enables Shopify and global digital platforms to capture this high-converting market.
How to calculate a Gross-Up invoice in Japanese Yen (JPY ¥)? ▼
Since JPY is a zero-decimal currency, to receive exactly ¥10,000 net on Konbini (2.75%): Gross = Math.round(10,000 / (1 - 0.0275)) = ¥10,283. Invoicing ¥10,283 ensures you receive ¥10,000.00 net.
KOMOJUの売上金入金サイクル（出金）はいつですか？ ▼
KOMOJUの標準入金サイクルは月末締め翌月末払い、または週次入金プランに対応しており、日本国内の全銀行口座へ直接送金されます。
Frequently Asked Questions
What are official Komoju payment processing fees in Japan and Asia in 2026? ▼
In Japan, Komoju (by Degica) charges 2.75% to 3.25% for domestic credit cards, 2.75% for Konbini convenience store payments, 2.50% for PayPay / LINE Pay wallets, and 1.50% for Pay-easy bank transfers.
Why is Konbini (Convenience Store) payment essential for e-commerce in Japan? ▼
Over 15% of Japanese e-commerce purchases are paid in cash at convenience stores (7-Eleven, Lawson, FamilyMart). Komoju generates a payment voucher code at checkout, and the customer pays over the counter with zero credit card required.
Does Komoju support Japanese QR wallets like PayPay, LINE Pay, and Merpay? ▼
Yes. Komoju natively integrates Japan's leading digital wallets (PayPay with 60M+ users, LINE Pay, Rakuten Pay, Merpay, and au PAY) with instant mobile app authorization.
Are Komoju payment processing fees subject to Japanese Consumption Tax (JCT)? ▼
Payment settlement services in Japan are legally classified as non-taxable financial transactions under the Japanese Consumption Tax Law, meaning 10% JCT is not added to Komoju commissions.
Does Komoju support international e-commerce platforms like Shopify and WooCommerce? ▼
Yes. Komoju provides certified plugins for Shopify, WooCommerce, Magento, and Wix, allowing international cross-border brands to accept Japanese local payment rails with one click.
What settlement timelines and payout schedules does Komoju provide? ▼
Komoju settles merchant funds on a monthly or weekly schedule directly into Japanese bank accounts in JPY, or into foreign international bank accounts via cross-border wire transfer.
Does Konbini payment carry chargeback or fraud dispute risks for merchants? ▼
No. Because Konbini payments are completed with physical cash at convenience store registers, transactions are 100% irrevocable with zero chargeback risk.
How does Komoju support Korean and European alternative payment methods? ▼
Beyond Japan, Komoju supports South Korean payment methods (KakaoPay, Toss, Payco) and European rails, enabling cross-border Asian digital commerce expansion.