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<div class="logo"><a href="/v5/"><div class="image"></div><div class="name">ethers</div><div class="version">v5.0-beta</div></a></div>
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<div class="breadcrumbs"><a href="/v5/">Documentation</a> » <a href="/v5/api/">API</a> » <a href="/v5/api/utils/">Utilities</a> » <span class="current">Constants</span></div>
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<a name="constants"></a><a name="constants"></a><h1 class="show-anchors"><div>Constants<div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants"></a></div></div></h1><p>The <b>ethers.contants</b> Object contains commonly used values.</p>
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<a name="constants--bytes"></a><h2 class="show-anchors"><div>Bytes<div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants--bytes"></a></div></div></h2>
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<a name="constants-AddressZero"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">AddressZero</span> <span class="arrow">⇒</span> <span class="returns">string< <a href="/v5/api/utils/address/#address">Address</a> ></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-AddressZero"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L5">source</a></div></div><div class="body"><p>The Address Zero, which is 20 bytes (40 nibbles) of zero.</p>
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</div></div><a name="constants-HashZero"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">HashZero</span> <span class="arrow">⇒</span> <span class="returns">string< <a href="/v5/api/utils/bytes/#DataHexString">DataHexString</a>< 32 > ></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-HashZero"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L6">source</a></div></div><div class="body"><p>The Hash Zero, which is 32 bytes (64 nibbles) of zero.</p>
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</div></div><a name="constants--strings"></a><h2 class="show-anchors"><div>Strings<div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants--strings"></a></div></div></h2>
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<a name="constants-EtherSymbol"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">EtherSymbol</span> <span class="arrow">⇒</span> <span class="returns">string</span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-EtherSymbol"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L9">source</a></div></div><div class="body"><p>The Ether symbol, <b>Ξ</b>.</p>
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</div></div><a name="constants--bignumber"></a><h2 class="show-anchors"><div>BigNumber<div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants--bignumber"></a></div></div></h2>
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<a name="constants-NegativeOne"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">NegativeOne</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-NegativeOne"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L11">source</a></div></div><div class="body"><p>The BigNumber value representing <code class="inline">"-1"</code>.</p>
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</div></div><a name="constants-Zero"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">Zero</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-Zero"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L12">source</a></div></div><div class="body"><p>The BigNumber value representing <code class="inline">"0"</code>.</p>
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</div></div><a name="constants-One"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">One</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-One"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L13">source</a></div></div><div class="body"><p>The BigNumber value representing <code class="inline">"1"</code>.</p>
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</div></div><a name="constants-Two"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">Two</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-Two"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L14">source</a></div></div><div class="body"><p>The BigNumber value representing <code class="inline">"2"</code>.</p>
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</div></div><a name="constants-WeiPerEther"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">WeiPerEther</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-WeiPerEther"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L15">source</a></div></div><div class="body"><p>The BigNumber value representing <code class="inline">"1000000000000000000"</code>, which is the number of Wei per Ether.</p>
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</div></div><a name="constants-MaxUint256"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span><span class="symbol">.</span><span class="path">constants</span><span class="symbol">.</span><span class="method">MaxUint256</span> <span class="arrow">⇒</span> <span class="returns"><a href="/v5/api/utils/bignumber/">BigNumber</a></span><div class="anchors"><a class="self" href="/v5/api/utils/constants/#constants-MaxUint256"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/constants/src.ts/index.ts#L16">source</a></div></div><div class="body"><p>The BigNumber value representing the maximum <code class="inline">uint256</code> value.</p>
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