Blog
Guides and tips for currency exchange, business travel, and money transfers.
2026-05-28
クレジットカード払いの外貨経費を正しく処理する方法｜換算レートと仕訳を解説
出張や海外取引でクレジットカードを使った外貨経費の処理に迷っていませんか？法人税基本通達13の2-1-2をもとに、正しい換算レートの選び方・仕訳・計算例をわかりやすく解説します。
2026-05-28
Foreign-Currency Credit Card Expenses: The Correct Way
Learn how to record foreign-currency credit card expenses accurately, with real JPY/USD examples and Japanese tax directive guidance.
2026-05-28
韓国ソウルで損しない両替の正解2026年5月｜レート比較と賢い両替術
2026年5月のJPY/KRWレート動向をもとに、ソウルの両替所・ATM・Wise/Revolutを徹底比較。旅行前に知っておきたい両替のコツと注意点をわかりやすく解説します。
2026-05-28
Smart Currency Exchange Tips for Seoul in 2026
Plan your Seoul trip with confidence. Learn the best currency exchange strategies, ATM tips, and how to track JPY/KRW rates in real time.
2026-05-27
Exporting Japanese expense reports: the freee, MoneyForward, QuickBooks, and Xero gotchas
An export feature that doesn't actually import is worse than no export feature. Here are the per-platform CSV quirks Zenrate handles, from freee's account codes to MoneyForward's encoding.
2026-05-26
What a tamper-evident expense receipt actually requires (and what most apps skip)
Most expense apps treat receipts as illustrations. An audit-grade receipt needs integrity, provenance, reproducibility, and clock independence. Here's how Zenrate handles each.
2026-05-25
Why your credit card statement rate is the only one that matches your corporate card reconciliation
Reference rates from ECB, Mizuho, Treasury, or HMRC will never match a Visa or Mastercard statement. Here's where the gap comes from and how to reconcile cleanly.
2026-05-24
Six rate policies, explained with real expense report scenarios
Transaction date, prior month end, month start, prior month average, prior week end, credit card statement: which one to pick for each accounting workflow, with worked EUR/JPY examples.
2026-05-23
How we picked four rate sources for Zenrate — and why one isn't enough
A first-hand account of why a single 'global' exchange rate source produces audit failures, and how Zenrate landed on ECB, Mizuho, U.S. Treasury, and HMRC.
2026-03-25
How to Convert JPY to THB: 3 Methods Compared
Compare bank exchange, money changers, and online services for JPY to THB conversion. Find the best rate and lowest fees.
2026-03-24
TTM vs TTS vs TTB: Which Exchange Rate for Expense Reports?
Understand the difference between TTM, TTS, and TTB exchange rates and which to use for business expense reports.
2026-03-23
Top 5 Money Changers in Bangkok 2026 (with Live Rates)
Find the best exchange rates in Bangkok. Compare SuperRich, Vasu, and other top-rated money changers.
2026-03-21
海外出張の経費精算ガイド: TTMレートの調べ方と領収書管理
海外出張の経費精算に必要なTTMレートの調べ方、領収書管理のコツ、CSV出力方法を解説します。
2026-03-20
TTM Rate Guide: Understanding Japanese Bank Exchange Rates
Learn how TTM, TTS, and TTB rates work for Japanese business expense reports. Essential knowledge for overseas business trips.
2026-03-18
Bangkok Best Exchange Rates 2026: Where to Get the Best Deal
Compare Bangkok money changers for the best JPY, USD, and EUR exchange rates. Updated guide for 2026.
2026-03-15
Wise vs PayPal: International Money Transfer Comparison 2026
Compare Wise and PayPal for international remittances. Fees, rates, speed, and which is better for different use cases.