Latest posts
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One Rep Max Calculator
Enter a weight and the reps you did to estimate your one-rep max, with a percentage table for training loads.
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Ohm’s Law Calculator
Enter any two of voltage, current and resistance and this calculator finds the rest, plus power.
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Number Sequence Calculator
Find the n-th term and the sum of an arithmetic or geometric sequence.
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Binary, Hex & Decimal Converter
Convert numbers between binary, octal, decimal and hexadecimal.
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Mutual Fund Calculator
Project the future value of a mutual fund investment with regular contributions.
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Grow a Garden Weight Calculator
See how a crop’s weight changes its Sheckle value — the weight ratio is squared, so heavy crops are worth far more than they look.
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Grow a Garden Calculator
Work out what any crop is worth in Sheckles — from its base value, weight, growth mutation and every environmental mutation stacked on it.
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Grow a Garden Mutation Calculator
Stack growth and environmental mutations to find the combined multiplier in Grow a Garden, and apply it to any crop’s base value.
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Mulch Calculator
Find how many cubic yards or bags of mulch you need to cover your beds at the right depth.
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Mortgage Calculator UK
Estimate the monthly repayment on a UK mortgage from the amount, rate and term.