BibleCalcs: Scripture Facts for Every Seeker
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Bible Calculators

Free, working calculators for tithing, word study, ancient measurements, fasting, and Bible-reading pace — no account needed, nothing saved.

Giving

Tithe Calculator

Work out your tithe from any income and pay period, at any percentage.

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Word study

Gematria Calculator

Type a Hebrew or Greek word and get its traditional letter-value total.

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Measurement

Biblical Unit Converter

Convert cubits, shekels, homers, and more to modern feet, pounds, and liters.

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Hebrew calendar

Hebrew Date Converter

Convert any Gregorian date to its Hebrew equivalent, plus Passover, Rosh Hashanah, and more for any year.

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Prophecy & chronology

Daniel's 70 Weeks Comparison

See how five traditions — dispensational, historicist, preterist, and two amillennial/idealist readings — each read this prophecy, presented evenhandedly.

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Crucifixion Date Comparison

AD 30 or AD 33? See the astronomical and historical evidence behind the two leading candidate years.

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Exodus Date Comparison

Early date (~1446 BC) or late date (~1260-1250 BC)? The evidence on both sides, presented evenhandedly.

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Chronology We Don't Calculate

The date of creation and the end-times timeline — why these two don't get a calculator, and what the real disagreement is.

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Fasting

Daniel Fast Calculator

Pick a start date and length — get your exact end date for a 21-day, 40-day, or custom fast.

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Reading

Bible Reading Plan Calculator

Set your pace and get a finish date, or set a target date and get your daily pace.

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Holidays

Holiday Countdown Calculator

Countdown to Christmas, Easter, Good Friday, Pentecost, and more — exact dates, any year.

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